fzhw50 phfo 181324
cwfhfo
expires:202604190230;;581898

coastal waters forecast
national weather service honolulu hi
324 am hst sat apr 18 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz113-190230-
kauai channel-
324 am hst sat apr 18 2026

.today...east southeast winds 15 to 20 knots, easing to 10 to
15 knots this afternoon. seas 3 to 5 feet. wave detail: east
southeast 5 feet at 6 seconds. a slight chance of showers. 
.tonight...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: east southeast 4 feet at 6 seconds. a slight chance of
showers in the evening. 
.sunday...east southeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 6 seconds. a slight chance of showers
in the afternoon. 
.sunday night...east winds 7 to 10 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 7 seconds. a slight chance of showers in
the evening, then a chance of showers after midnight. 
.monday...east winds 7 to 10 knots in the morning, becoming
variable less than 10 knots. seas 3 to 5 feet. wave detail: east
4 feet at 6 seconds. scattered showers. 
.monday night...winds variable less than 10 knots. seas 3 to
5 feet. wave detail: east 3 feet at 5 seconds and north northeast
3 feet at 8 seconds. scattered showers. 
.tuesday...winds variable less than 10 knots. seas 4 to 6 feet.
wave detail: northeast 4 feet at 15 seconds, east 3 feet at
5 seconds and northwest 3 feet at 14 seconds. scattered showers
through the night, then isolated showers through the day. 
.wednesday...winds variable less than 10 knots, becoming
northeast 10 to 15 knots. seas 4 to 6 feet. wave detail: north
northeast 4 feet at 13 seconds, east southeast 3 feet at
6 seconds and north northwest 3 feet at 13 seconds. isolated
showers.  

$$

fzhw50 phfo 181324
cwfhfo
expires:202604190230;;581899

coastal waters forecast
national weather service honolulu hi
324 am hst sat apr 18 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz114-190230-
oahu windward waters-
324 am hst sat apr 18 2026

.today...east southeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east southeast 4 feet at 7 seconds. a slight chance
of showers. 
.tonight...east winds to 15 knots. seas 4 to 5 feet. wave detail:
east southeast 5 feet at 6 seconds. 
.sunday...east southeast winds to 15 knots. seas to 5 feet. wave
detail: east southeast 5 feet at 6 seconds. 
.sunday night...east southeast winds to 15 knots. seas to 5 feet.
wave detail: east 5 feet at 7 seconds. a slight chance of
showers. 
.monday...east southeast winds to 10 knots. seas 4 to 5 feet.
wave detail: east southeast 5 feet at 7 seconds. scattered
showers. 
.monday night...southeast winds to 10 knots in the evening,
becoming variable less than 10 knots. seas 4 to 5 feet. wave
detail: east northeast 4 feet at 7 seconds. scattered showers. 
.tuesday...winds variable less than 10 knots. seas 5 to 7 feet.
wave detail: north northeast 5 feet at 15 seconds, east 4 feet at
6 seconds and northwest 4 feet at 14 seconds. scattered showers. 
.wednesday...winds variable less than 10 knots, becoming
northeast 7 to 10 knots. seas 5 to 7 feet. wave detail: north
northeast 5 feet at 13 seconds, north northwest 4 feet at
13 seconds and east southeast 3 feet at 5 seconds. scattered
showers, mainly in the morning.  

$$

fzhw50 phfo 181324
cwfhfo
expires:202604190230;;581900

coastal waters forecast
national weather service honolulu hi
324 am hst sat apr 18 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz115-190230-
oahu leeward waters-
324 am hst sat apr 18 2026

.today...east winds 15 to 20 knots, becoming east southeast 10 to
15 knots this afternoon. seas 3 to 4 feet. wave detail: east
southeast 4 feet at 6 seconds. a slight chance of showers. 
.tonight...east northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east southeast 4 feet at 6 seconds. 
.sunday...east winds 10 to 15 knots. seas 3 to 4 feet. wave
detail: east southeast 4 feet at 6 seconds. 
.sunday night...east winds 7 to 10 knots in the evening, becoming
variable less than 10 knots. seas 3 to 4 feet. wave detail: east
3 feet at 6 seconds. a slight chance of showers after midnight. 
.monday...winds variable less than 10 knots. seas to 3 feet. wave
detail: east 3 feet at 6 seconds. a slight chance of showers in
the morning, then scattered showers in the afternoon. 
.monday night...winds variable less than 10 knots. seas 3 to
4 feet. wave detail: east 3 feet at 5 seconds. scattered showers.
.tuesday...winds variable less than 10 knots. seas 3 to 5 feet.
wave detail: north northwest 3 feet at 15 seconds. isolated
showers. 
.wednesday...winds variable less than 10 knots, becoming
northeast 7 to 10 knots. seas 3 to 5 feet. wave detail: north
northwest 3 feet at 13 seconds. isolated showers.  

$$

fzhw50 phfo 181324
cwfhfo
expires:202604190230;;581901

coastal waters forecast
national weather service honolulu hi
324 am hst sat apr 18 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz116-190230-
kaiwi channel-
324 am hst sat apr 18 2026

.today...east winds 15 to 20 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 6 seconds. a slight chance of showers. 
.tonight...east northeast winds to 15 knots. seas 3 to 5 feet.
wave detail: east 5 feet at 6 seconds. 
.sunday...east winds 15 to 20 knots. seas 3 to 5 feet. wave
detail: east 5 feet at 6 seconds. 
.sunday night...east southeast winds 10 to 15 knots. seas 3 to
5 feet. wave detail: east 5 feet at 6 seconds. a slight chance of
showers after midnight. 
.monday...east northeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east 5 feet at 6 seconds. a slight chance of
showers. 
.monday night...south winds 7 to 10 knots in the evening,
becoming variable less than 10 knots. seas 3 to 5 feet. wave
detail: east northeast 4 feet at 7 seconds. scattered showers. 
.tuesday...winds variable less than 10 knots. seas 5 to 7 feet.
wave detail: north northeast 5 feet at 15 seconds, east 3 feet at
5 seconds and northwest 3 feet at 14 seconds. isolated showers. 
.wednesday...winds variable less than 10 knots, becoming
northeast 10 to 15 knots. seas 5 to 7 feet. wave detail: north
northeast 5 feet at 12 seconds, east 3 feet at 5 seconds and
northwest 3 feet at 13 seconds. isolated showers.  

$$