fzus52 kkey 181452
cwfkey
expires:202604182030;;584537

coastal waters forecast for the florida keys
national weather service key west fl
1052 am edt sat apr 18 2026

florida bay, hawk channel and straits of florida from ocean reef
to south of dry tortugas, and the extreme southeastern gulf of
america, including the florida keys national marine sanctuary

seas are given as significant wave height, which is the average
height of the highest 1/3 of the waves. individual waves may be
more than twice the significant wave height.

wave detail will include details about the period and direction
of origin for the highest energy waves. long-period swells coming
from a different direction than the wind would be included in the
wave detail.


gmz031-182030-
florida bay including barnes sound, blackwater sound, and
buttonwood sound-
1052 am edt sat apr 18 2026

.this afternoon...east to southeast winds 10 to 15 knots, 
decreasing to near 10 knots. bay waters a light to moderate chop, 
becoming a light chop.
.tonight...east winds near 10 knots, decreasing to 5 to 10 knots.
bay waters a light chop, becoming smooth to a light chop. a 
slight chance of showers.
.sunday...east winds 5 to 10 knots, becoming variable near 5 knots 
in the afternoon. bay waters smooth to a light chop, becoming
smooth.
.sunday night...north to northeast winds 5 to 10 knots, increasing
to near 10 knots. bay waters smooth to a light chop, becoming a
light chop. a slight chance of showers.
.monday...northeast winds 5 to 10 knots, becoming east 10 to 15 
knots in the afternoon. bay waters smooth to a light chop, 
becoming a light to moderate chop. a slight chance of showers and
thunderstorms. 
.monday night...northeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. bay waters choppy, increasing to
very rough after midnight. a chance of showers with a slight
chance of thunderstorms. 
.tuesday...northeast winds near 25 knots. bay waters extremely
rough. a slight chance of showers. 
.tuesday night...northeast to east winds near 25 knots, decreasing
to 20 to 25 knots. bay waters extremely rough, becoming very 
rough.
.wednesday...northeast to east winds near 20 knots. bay waters
rough. 
.wednesday night...northeast to east winds near 20 knots,
decreasing to 15 to 20 knots. bay waters rough, becoming choppy. 

$$

fzus52 kkey 181452
cwfkey
expires:202604182030;;584540

coastal waters forecast for the florida keys
national weather service key west fl
1052 am edt sat apr 18 2026

florida bay, hawk channel and straits of florida from ocean reef
to south of dry tortugas, and the extreme southeastern gulf of
america, including the florida keys national marine sanctuary

seas are given as significant wave height, which is the average
height of the highest 1/3 of the waves. individual waves may be
more than twice the significant wave height.

wave detail will include details about the period and direction
of origin for the highest energy waves. long-period swells coming
from a different direction than the wind would be included in the
wave detail.


gmz052>055-072>075-182030-
straits of florida from ocean reef to craig key out 20 nm-
straits of florida from craig key to west end of seven mile
bridge out 20 nm-
straits of florida from west end of seven mile bridge to south of
halfmoon shoal out 20 nm-
straits of florida from halfmoon shoal to 20 nm west of dry
tortugas out 20 nm-
straits of florida from ocean reef to craig key 20 to 60 nm out-
straits of florida from craig key to west end of seven mile
bridge 20 to 60 nm out-
straits of florida from west end of seven mile bridge to south of
halfmoon shoal 20 to 60 nm out-
straits of florida from halfmoon shoal to 20 nm west of dry
tortugas 20 to 60 nm out-
1052 am edt sat apr 18 2026

.this afternoon...east to southeast winds 10 to 15 knots. seas 2 
to 3 feet. wave detail: east 3 feet at 5 seconds. a slight chance 
of showers. 
.tonight...east winds near 15 knots, decreasing to 10 to 15 
knots. seas 2 to 3 feet. wave detail: east 3 feet at 5 seconds. a 
slight chance of showers.
.sunday...northeast to east winds near 10 knots, decreasing to 5 
to 10 knots. seas 2 to 3 feet, subsiding to 1 to 2 feet. wave 
detail: east 2 feet at 5 seconds. a slight chance of showers. 
.sunday night...northeast winds 5 to 10 knots, increasing to
10 to 15 knots after midnight. seas 1 to 2 feet. a slight chance
of showers. 
.monday...northeast winds 10 to 15 knots, briefly decreasing to
near 10 knots in the afternoon. seas 1 to 3 feet. a slight chance
of showers.
.monday night...northeast winds near 15 knots, increasing to 20 to 
25 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet, 
building to 5 to 7 feet, occasionally to 9 feet. a chance of showers 
with a slight chance of thunderstorms. 
.tuesday...northeast to east winds near 25 knots. seas 7 to 10 
feet, occasionally to 13 feet, building to 9 to 11 feet, 
occasionally to 14 feet. a chance of showers with a slight chance
of thunderstorms. 
.tuesday night...northeast to east winds near 25 knots. seas 8 to
11 feet, occasionally to 14 feet. a slight chance of showers. 
.wednesday...northeast to east winds 20 to 25 knots, decreasing 
to near 20 knots. seas 7 to 10 feet, occasionally to 13 feet, 
subsiding to 6 to 8 feet, occasionally to 10 feet. a slight 
chance of showers. 
.wednesday night...east winds near 20 knots. seas 5 to 8 feet, 
occasionally to 10 feet. a slight chance of showers and 
thunderstorms. 

$$

fzus52 kkey 181452
cwfkey
expires:202604182030;;584538

coastal waters forecast for the florida keys
national weather service key west fl
1052 am edt sat apr 18 2026

florida bay, hawk channel and straits of florida from ocean reef
to south of dry tortugas, and the extreme southeastern gulf of
america, including the florida keys national marine sanctuary

seas are given as significant wave height, which is the average
height of the highest 1/3 of the waves. individual waves may be
more than twice the significant wave height.

wave detail will include details about the period and direction
of origin for the highest energy waves. long-period swells coming
from a different direction than the wind would be included in the
wave detail.


gmz032-035-182030-
bayside and gulfside from craig key to west end of seven mile
bridge-
gulf of america from west end of seven mile bridge to halfmoon
shoal out to 5 fathoms-
1052 am edt sat apr 18 2026

.this afternoon...east to southeast winds 10 to 15 knots, 
decreasing to near 10 knots. seas 1 to 2 feet, subsiding to around
1 foot. nearshore waters a light to moderate chop, becoming a 
light chop. a slight chance of showers early this morning.
.tonight...east winds near 10 knots. seas around 1 foot. 
nearshore waters a light chop. a slight chance of showers. 
.sunday...northeast winds 5 to 10 knots. seas 1 foot or less.
nearshore waters smooth to a light chop. 
.sunday night...northwest to north winds 5 to 10 knots, increasing
to 10 to 15 knots. seas 1 foot or less, building to 1 to 2 feet. 
nearshore waters smooth to a light chop, becoming a light to 
moderate chop. a slight chance of showers.
.monday...north to northeast winds 10 to 15 knots, becoming 
northeast to east and briefly decreasing to 5 to 10 knots in the
late morning and early afternoon. seas 1 to 2 feet. nearshore 
waters a light to moderate chop, becoming smooth to a light chop.
a slight chance of showers.
.monday night...northeast winds near 15 knots, increasing to 20 
to 25 knots after midnight. seas 1 to 2 feet, building to 2 to 4 
feet, occasionally to 5 feet. west of the marquesas keys, seas 2 
to 3 feet, building to 4 to 5 feet, occasionally to 6 feet. 
nearshore waters choppy, becoming very rough. a chance of showers
with a slight chance of thunderstorms. 
.tuesday...northeast to east winds near 25 knots. seas 3 to
5 feet, occasionally to 6 feet, except 5 to 6 feet, occasionally
to 8 feet west of the marquesas keys. nearshore waters extremely
rough. a slight chance of showers. 
.tuesday night...northeast to east winds 20 to 25 knots. seas
3 to 5 feet, occasionally to 6 feet, except 5 to 6 feet,
occasionally to 8 feet west of the marquesas keys. nearshore
waters very rough. 
.wednesday...east winds near 20 knots. seas 2 to 4 feet, 
occasionally to 5 feet, except 4 to 6 feet, occasionally to 8 feet
west of the marquesas keys. nearshore waters rough. 
.wednesday night...east winds near 20 knots, decreasing to 15 to 
20 knots. seas 2 to 3 feet, except 4 to 5 feet, occasionally to 6 
feet west of the marquesas keys. nearshore waters rough, becoming
choppy.

$$

fzus52 kkey 181452
cwfkey
expires:202604182030;;584541

coastal waters forecast for the florida keys
national weather service key west fl
1052 am edt sat apr 18 2026

florida bay, hawk channel and straits of florida from ocean reef
to south of dry tortugas, and the extreme southeastern gulf of
america, including the florida keys national marine sanctuary

seas are given as significant wave height, which is the average
height of the highest 1/3 of the waves. individual waves may be
more than twice the significant wave height.

wave detail will include details about the period and direction
of origin for the highest energy waves. long-period swells coming
from a different direction than the wind would be included in the
wave detail.


gmz033-034-182030-
gulf of america from east cape sable to chokoloskee 20 to 60 nm
out and beyond 5 fathoms-
gulf of america including dry tortugas and rebecca shoal channel-
1052 am edt sat apr 18 2026

.this afternoon...east winds near 10 knots, decreasing to 5 to 10
knots. seas 1 to 2 feet, subsiding to around 1 foot. wave detail:
east 1 foot at 3 seconds. a slight chance of showers early this 
morning.
.tonight...east winds 5 to 10 knots. seas around 1 foot. wave
detail: east 1 foot at 3 seconds. a slight chance of showers. 
.sunday...northeast to east winds 5 to 10 knots, becoming
northwest to north near 10 knots late. seas around 1 foot. wave 
detail: northwest to north 1 foot at 2 seconds and northeast to 
east 1 foot at 3 seconds. 
.sunday night...northwest to north winds 10 to 15 knots. seas 1 
to 2 feet, building to around 2 feet.
.monday...north to northeast winds 10 to 15 knots, becoming 
northeast and briefly decreasing to 10 knots in the afternoon. 
seas around 2 feet. a slight chance of showers. 
.monday night...northeast winds 15 to 20 knots, increasing to
around 25 knots after midnight. seas 2 to 3 feet, building to 4 
to 6 feet, occasionally to 8 feet. a slight chance of showers. 
.tuesday...northeast to east winds near 25 knots, decreasing to 
20 to 25 knots. seas 5 to 7 feet, occasionally to 9 feet. a slight
chance of showers. 
.tuesday night...northeast to east winds 20 to 25 knots. seas
5 to 7 feet, occasionally to 9 feet. 
.wednesday...east winds near 20 knots, briefly decreasing to 10 to
15 knots in the afternoon. seas 5 to 7 feet, occasionally to 9 
feet, subsiding to 3 to 5 feet, occasionally to 6 feet.
.wednesday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet. a slight chance of showers. 

$$

fzus52 kmfl 181956
cwfmfl
expires:202604190800;;597729

coastal waters forecast for florida
national weather service miami fl
356 pm edt sat apr 18 2026

atlantic coastal waters from jupiter inlet to ocean reef out to
60 nm and gulf coastal waters from east cape sable to chokoloskee
out 20 nm and chokoloskee to bonita beach out 60 nm...including the
waters of biscayne bay and lake okeechobee.

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


gmz656-657-676-190800-
coastal waters from chokoloskee to bonita beach fl out 20 nm-
coastal waters from east cape sable to chokoloskee fl out 20 nm-
waters from chokoloskee to bonita beach fl from 20 to 60 nm-
356 pm edt sat apr 18 2026

.tonight...nw winds around 5 kt, becoming ne around 5 kt late. seas
less than 2 ft or less. bay and inland waters smooth. 
.sun...n winds around 5 kt, becoming nw in the afternoon. seas less
than 2 ft or less. wave detail: nw 1 foot at 2 seconds. bay and
inland waters light chop. 
.sun night...nw winds 10 to 15 kt. seas less than 2 ft or less, then
around 2 ft after midnight. wave detail: nw 1 foot at 3 seconds,
becoming nw 2 ft at 4 seconds. bay and inland waters light chop. 
.mon...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: nw 3 ft at
7 seconds. bay and inland waters light chop. 
.mon night through tue night...e winds 20 to 25 kt with gusts up to
30 kt. seas 3 to 5 ft, occasionally to 6 ft. wave detail: ne 5 ft at
4 seconds and nw 3 ft at 7 seconds. bay and inland waters a moderate
chop. 
.wed through thu...e winds 15 to 20 kt. seas 2 to 4 ft, occasionally
to 5 ft. wave detail: e 4 ft at 4 seconds. bay and inland waters a
moderate chop. 
.thu night...e winds 10 to 15 kt. seas around 2 ft. bay and inland
waters light chop.  

$$

fzus52 kmfl 180801
cwfmfl
expires:202604182100;;569932

coastal waters forecast for florida
national weather service miami fl
401 am edt sat apr 18 2026

atlantic coastal waters from jupiter inlet to ocean reef out to
60 nm and gulf coastal waters from east cape sable to chokoloskee
out 20 nm and chokoloskee to bonita beach out 60 nm...including the
waters of biscayne bay and lake okeechobee.

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz630-182100-
biscayne bay-
401 am edt sat apr 18 2026

.today...e winds 5 to 10 kt. light chop. 
.tonight...e winds 5 to 10 kt. light chop. 
.sun...se winds 5 to 10 kt. light chop. 
.sun night...s winds around 5 kt. smooth.
.mon...n winds around 5 kt, becoming ne 10 to 15 kt in the
afternoon. a moderate chop. a chance of showers and tstms in the
afternoon. 
.mon night...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. very rough. a chance of tstms in the evening. a chance of
showers. 
.tue...ne winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. very rough. a chance of showers in the morning. 
.tue through wed...e winds 20 to 25 kt. rough. 

winds and waves higher in and near tstms.

$$

fzus52 kmfl 180801
cwfmfl
expires:202604182100;;569929

coastal waters forecast for florida
national weather service miami fl
401 am edt sat apr 18 2026

atlantic coastal waters from jupiter inlet to ocean reef out to
60 nm and gulf coastal waters from east cape sable to chokoloskee
out 20 nm and chokoloskee to bonita beach out 60 nm...including the
waters of biscayne bay and lake okeechobee.

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz651-671-182100-
coastal waters from deerfield beach to ocean reef fl out 20 nm-
waters from deerfield beach to ocean reef fl from 20 to 60 nm
excluding the territorial waters of bahamas-
401 am edt sat apr 18 2026

.today...e winds 5 to 10 kt. seas around 2 ft this morning, then
1 foot or less. wave detail: e 2 ft at 4 seconds, becoming e 1 foot
at 3 seconds. intracoastal waters light chop. 
.tonight...e winds 10 to 15 kt. seas around 2 ft. wave detail: e
2 ft at 3 seconds. intracoastal waters a moderate chop. 
.sun...se winds 5 to 10 kt, diminishing to around 5 kt in the
afternoon. seas less than 2 ft or less. wave detail: se 1 foot at
3 seconds. intracoastal waters light chop. 
.sun night...se winds around 5 kt. seas less than 2 ft or less. wave
detail: se 1 foot at 3 seconds. intracoastal waters smooth. 
.mon...ne winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas less than 2 ft or less, then 2 to
3 ft in the afternoon. wave detail: e 1 foot at 2 seconds, becoming
ne 2 ft at 3 seconds. intracoastal waters a moderate chop. a chance
of showers in the afternoon. 
.mon night...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. seas 4 to 6 ft, occasionally to 8 ft, building to 6 to
9 ft, occasionally to 11 ft after midnight. wave detail: n 6 ft at
5 seconds, becoming n 9 ft at 8 seconds. intracoastal waters very
rough in exposed areas. a chance of tstms in the evening. a chance
of showers. 
.tue...ne winds 25 to 30 kt. seas 9 to 12 ft, occasionally to 15 ft.
intracoastal waters very rough in exposed areas. a chance of showers
in the morning. 
.tue night...ne winds 20 to 25 kt. seas 8 to 11 ft, occasionally to
14 ft. intracoastal waters rough in exposed areas.
.wed...e winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 5 to 8 ft, occasionally to 10 ft. intracoastal
waters rough in exposed areas. 
.wed night...e winds 15 to 20 kt. seas 4 to 5 ft, occasionally to
6 ft. intracoastal waters choppy in exposed areas. 

winds and seas higher in and near tstms.

$$

fzus52 kmfl 180801
cwfmfl
expires:202604182100;;569928

coastal waters forecast for florida
national weather service miami fl
401 am edt sat apr 18 2026

atlantic coastal waters from jupiter inlet to ocean reef out to
60 nm and gulf coastal waters from east cape sable to chokoloskee
out 20 nm and chokoloskee to bonita beach out 60 nm...including the
waters of biscayne bay and lake okeechobee.

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz650-670-182100-
coastal waters from jupiter inlet to deerfield beach fl out 20 nm-
waters from jupiter inlet to deerfield beach fl from 20 to 60 nm-
401 am edt sat apr 18 2026

.today...e winds 5 to 10 kt. seas around 2 ft this morning, then
1 foot or less. wave detail: e 2 ft at 4 seconds, becoming e 1 foot
at 4 seconds. intracoastal waters light chop. 
.tonight...e winds 5 to 10 kt, becoming se after midnight. seas
around 2 ft. wave detail: e 1 foot at 3 seconds. intracoastal waters
light chop. 
.sun...s winds 5 to 10 kt. seas less than 2 ft or less. wave detail:
se 1 foot at 3 seconds. intracoastal waters light chop. 
.sun night...se winds 5 to 10 kt. seas less than 2 ft or less. wave
detail: se 1 foot at 3 seconds. intracoastal waters light chop. a
chance of showers after midnight. 
.mon...ne winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft, occasionally to 5 ft.
wave detail: n 4 ft at 5 seconds. intracoastal waters a moderate
chop. a chance of showers in the morning, then showers likely with a
chance of tstms in the afternoon. 
.mon night...ne winds 25 to 30 kt. seas 6 to 9 ft, occasionally to
11 ft, building to 9 to 12 ft, occasionally to 15 ft after midnight.
wave detail: n 9 ft at 8 seconds and n 4 ft at 5 seconds, becoming
ne 11 ft at 8 seconds. intracoastal waters very rough in exposed
areas. showers likely with a chance of tstms in the evening, then a
chance of showers after midnight. 
.tue...ne winds 25 to 30 kt. seas 9 to 12 ft, occasionally to 15 ft.
intracoastal waters very rough in exposed areas. a chance of showers
in the morning. 
.tue night...ne winds 20 to 25 kt. seas 7 to 10 ft, occasionally to
13 ft. intracoastal waters rough in exposed areas.
.wed...e winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 5 to 8 ft, occasionally to 10 ft, subsiding to 4 to
6 ft, occasionally to 8 ft in the afternoon. intracoastal waters
rough in exposed areas. 
.wed night...e winds 15 to 20 kt. seas 3 to 5 ft, occasionally to
6 ft. intracoastal waters choppy in exposed areas. 

winds and seas higher in and near tstms.

$$

fzus52 kmfl 180801
cwfmfl
expires:202604182100;;569931

coastal waters forecast for florida
national weather service miami fl
401 am edt sat apr 18 2026

atlantic coastal waters from jupiter inlet to ocean reef out to
60 nm and gulf coastal waters from east cape sable to chokoloskee
out 20 nm and chokoloskee to bonita beach out 60 nm...including the
waters of biscayne bay and lake okeechobee.

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz610-182100-
lake okeechobee-
401 am edt sat apr 18 2026

.today...se winds around 5 kt, becoming ne this afternoon. lake
waters smooth. 
.tonight...e winds 5 to 10 kt, becoming se after midnight. lake
waters light chop. 
.sun...sw winds around 5 kt. lake waters smooth. 
.sun night...sw winds around 5 kt, becoming nw after midnight. lake
waters light chop. 
.mon...ne winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. lake waters choppy. a chance of showers and tstms in the
afternoon. 
.mon night...ne winds 20 to 25 kt. lake waters rough. a chance of
showers and tstms in the evening. 
.tue...ne winds 15 to 20 kt. lake waters choppy. 
.tue through wed...e winds 15 to 20 kt. lake waters choppy.  

winds and waves higher in and near tstms.

$$

fzus52 kmlb 181929
cwfmlb
expires:202604190815;;597178

coastal waters forecast for east central florida
national weather service melbourne fl
329 pm edt sat apr 18 2026

atlantic coastal waters from flagler beach to jupiter inlet out 60 nm.

seas are provided as a range of the average height of the highest
one third of the waves, along with the occasional height of the 
average highest ten percent of the waves.


amz555-190815-
sebastian inlet to jupiter inlet 0-20 nm-
329 pm edt sat apr 18 2026

.tonight...southeast winds around 10 knots, becoming south after
midnight. seas 2 to 3 feet. wave detail: east 2 feet at 8 seconds
and northeast 1 foot at 12 seconds. mostly smooth on the
intracoastal waters. 
.sunday...southwest winds around 5 knots, becoming east in the
afternoon. seas 2 feet. wave detail: east 2 feet at 8 seconds and
northeast 1 foot at 12 seconds. a light chop on the intracoastal
waters. 
.sunday night...southeast winds 5 to 10 knots, becoming northeast
15 to 20 knots after midnight. seas 2 to 3 feet. wave detail:
northeast 2 feet at 3 seconds and east 2 feet at 8 seconds.
choppy on the intracoastal waters. a chance of showers and
thunderstorms after midnight. 
.monday...northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. seas 3 to 5 feet, occasionally to
6 feet, building to 5 to 7 feet, occasionally to 9 feet in the
afternoon. wave detail: northeast 5 feet at 8 seconds and
northeast 2 feet at 3 seconds, becoming north 7 feet at 8 seconds
and northeast 1 foot at 11 seconds in the afternoon. rough on the
intracoastal waters. a chance of showers. a slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon. 
.monday night...northeast winds 20 to 25 knots. seas 8 to
10 feet, occasionally to 13 feet. wave detail: northeast 9 feet
at 9 seconds. rough on the intracoastal waters. 
.tuesday...northeast winds around 20 knots. seas 6 to 8 feet,
occasionally to 10 feet. wave detail: northeast 8 feet at
8 seconds. choppy on the intracoastal waters. 
.tuesday night...east winds 15 to 20 knots. seas 5 to 7 feet,
occasionally to 9 feet. choppy on the intracoastal waters. 
.wednesday...east winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 4 to 5 feet, occasionally to
6 feet. choppy on the intracoastal waters. 
.wednesday night...east winds 10 to 15 knots. seas 3 to 4 feet. a
light chop on the intracoastal waters. 
.thursday...east winds 10 to 15 knots. seas 3 to 4 feet. a
moderate chop on the intracoastal waters. 
.thursday night...east winds 10 to 15 knots. seas 2 to 3 feet. a
light chop on the intracoastal waters. 

winds and waves higher in and near thunderstorms.

$$

fzus52 kmlb 181929
cwfmlb
expires:202604190815;;597181

coastal waters forecast for east central florida
national weather service melbourne fl
329 pm edt sat apr 18 2026

atlantic coastal waters from flagler beach to jupiter inlet out 60 nm.

seas are provided as a range of the average height of the highest
one third of the waves, along with the occasional height of the 
average highest ten percent of the waves.


amz575-190815-
sebastian inlet to jupiter inlet 20-60 nm-
329 pm edt sat apr 18 2026

.tonight...east winds around 10 knots, becoming south after
midnight. seas 2 to 3 feet. wave detail: east 3 feet at 8 seconds
and northeast 1 foot at 12 seconds. 
.sunday...southwest winds 5 to 10 knots, becoming southeast in
the afternoon. seas 2 to 3 feet. wave detail: east 2 feet at
8 seconds and south 1 foot at 3 seconds. 
.sunday night...southeast winds 5 to 10 knots, becoming northeast
10 to 15 knots after midnight. seas 2 to 3 feet. wave detail:
northeast 2 feet at 3 seconds and east 2 feet at 8 seconds. a
chance of showers and thunderstorms after midnight. 
.monday...northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. seas 3 to 5 feet, occasionally to
6 feet, building to 7 to 9 feet, occasionally to 11 feet in the
afternoon. wave detail: northeast 5 feet at 8 seconds and north
2 feet at 3 seconds, becoming north 9 feet at 8 seconds and
northeast 1 foot at 11 seconds in the afternoon. showers likely
with a slight chance of thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon. 
.monday night...northeast winds 20 to 25 knots. seas 9 to
11 feet, occasionally to 14 feet. wave detail: northeast 10 feet
at 8 seconds and north 7 feet at 9 seconds. a slight chance of
showers in the evening. 
.tuesday...northeast winds 20 to 25 knots. seas 7 to 9 feet,
occasionally to 11 feet. wave detail: northeast 9 feet at
8 seconds. 
.tuesday night...east winds 15 to 20 knots. seas 6 to 8 feet,
occasionally to 10 feet, subsiding to 5 to 6 feet, occasionally
to 8 feet after midnight. 
.wednesday...east winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet. 
.wednesday night...east winds around 15 knots. seas 4 feet. 
.thursday...east winds 10 to 15 knots. seas 3 to 4 feet. 
.thursday night...east winds 10 to 15 knots. seas 3 feet. 

winds and seas higher in and near thunderstorms.

$$

fzus52 ktbw 181356
cwftbw
expires:202604190215;;582659

coastal waters forecast for florida
national weather service tampa bay ruskin fl
956 am edt sat apr 18 2026

gulf coastal waters from bonita beach to the mouth of the
suwannee river out to 60 nm.

important notice to mariners...marine forecasts are issued at
least four times a day. boaters on extended trips should
routinely monitor subsequent forecast issuances and updates for
the latest marine weather information.

the wave heights are forecast as significant wave height which is
the average of the highest one-third of the waves. the highest
waves may rarely be twice the significant wave height. the winds
and seas near thunderstorms may be higher than forecast.


gmz856-190215-
coastal waters from bonita beach to englewood fl out 20 nm-
956 am edt sat apr 18 2026

.this afternoon...southeast winds around 5 knots, becoming west
late. seas 1 foot or less. wave detail: west 1 foot at 2 seconds.
bay and inland waters light chop. 
.tonight...northwest winds 5 to 10 knots, becoming north after
midnight. seas 1 foot or less. wave detail: northwest 1 foot at
2 seconds. bay and inland waters light chop. 
.sunday...north winds around 5 knots, becoming northwest 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 1 foot
or less. bay and inland waters a moderate chop. 
.sunday night...northwest winds 10 to 15 knots. seas around
2 feet. wave detail: north 2 feet at 5 seconds. bay and inland
waters a moderate chop. 
.monday...northeast winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: northwest 3 feet at
7 seconds and north 2 feet at 5 seconds. bay and inland waters a
moderate chop. 
.monday night...northeast winds 20 to 25 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: northeast 4 feet at
5 seconds and northwest 3 feet at 7 seconds. bay and inland
waters rough. 
.tuesday...northeast winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. seas 3 to 5 feet, occasionally to
6 feet. bay and inland waters rough. 
.tuesday night...east winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. seas 2 to 4 feet, occasionally to
5 feet. bay and inland waters rough. 
.wednesday...east winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. seas 2 to 3 feet. bay and inland
waters a moderate chop. 

$$