fzus51 kbox 282006
cwfbox
expires:202605290900;;805072

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu may 28 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz231-290900-
cape cod bay-
405 pm edt thu may 28 2026

...gale warning in effect from late friday night through saturday
evening...

.tonight...n winds around 5 kt, increasing to 5 to 10 kt after
midnight. seas 1 foot or less. wave detail: n 1 foot at 4 seconds
and se 1 foot at 6 seconds. a chance of showers this evening. 
.fri...nw winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 8 seconds and n 1 foot at
4 seconds. 
.fri night...s winds 5 to 10 kt with gusts up to 20 kt,
increasing to 15 to 20 kt with gusts up to 30 kt after midnight.
seas 2 to 3 ft. wave detail: e 2 ft at 8 seconds and s 1 foot at
2 seconds. showers. patchy fog after midnight. 
.sat...n winds 25 to 30 kt with gusts up to 45 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds and ne 6 ft at 8 seconds.
showers. patchy fog in the morning. 
.sat night...n winds 25 to 30 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight. wave
detail: ne 7 ft at 5 seconds and ne 7 ft at 9 seconds, becoming
ne 5 ft at 8 seconds and n 5 ft at 8 seconds. a chance of showers
in the evening. 
.sun...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 4 ft. wave detail: n 4 ft at 7 seconds and e 2 ft at
9 seconds. 
.sun night...sw winds around 10 kt. seas around 2 ft. 
.mon through tue night...ne winds 5 to 10 kt. seas 2 to 3 ft. a
chance of showers.  

seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.

$$

fzus51 kbox 282006
cwfbox
expires:202605290900;;805076

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu may 28 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz232-290900-
nantucket sound-
405 pm edt thu may 28 2026

...gale warning in effect from late friday night through saturday
evening...

.tonight...n winds 5 to 10 kt. seas around 2 ft. wave detail: ne
1 foot at 3 seconds and w 1 foot at 4 seconds. a chance of
showers this evening. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and s 1 foot at
7 seconds. 
.fri night...sw winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: sw 2 ft at 3 seconds and ne 2 ft at
7 seconds. a chance of showers in the evening, then showers after
midnight. patchy fog after midnight. 
.sat...nw winds 20 to 25 kt with gusts up to 35 kt, becoming n
25 to 30 kt with gusts up to 45 kt in the afternoon. seas 2 to
4 ft, building to 4 to 6 ft in the afternoon. wave detail: nw
3 ft at 4 seconds and ne 2 ft at 5 seconds, becoming n 5 ft at
5 seconds and sw 1 foot at 7 seconds. showers. patchy fog in the
morning. 
.sat night...n winds 25 to 30 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt after midnight. seas 4 to 6 ft. wave
detail: n 5 ft at 6 seconds and e 3 ft at 10 seconds. a chance of
showers in the evening. 
.sun and sun night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: e 3 ft at 9 seconds and sw 2 ft at
5 seconds. 
.mon through tue night...ne winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. a chance of showers. 

seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.

$$

fzus51 kbox 282006
cwfbox
expires:202605290900;;805077

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu may 28 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz233-290900-
vineyard sound-
405 pm edt thu may 28 2026

...gale warning in effect from late friday night through saturday
evening...

.tonight...n winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 7 seconds and ne 1 foot at 3 seconds. a chance of showers
with a slight chance of tstms this evening. 
.fri...nw winds 5 to 10 kt, becoming sw 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 4 seconds
and e 1 foot at 5 seconds. 
.fri night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 6 seconds and e 1 foot at 6 seconds. a chance of
showers in the evening, then showers after midnight. patchy fog
after midnight. 
.sat...nw winds 25 to 30 kt, becoming n in the afternoon. gusts
up to 40 kt. seas 2 to 4 ft, building to 4 to 6 ft in the
afternoon. wave detail: ne 4 ft at 5 seconds and w 4 ft at
6 seconds, becoming n 5 ft at 5 seconds and sw 3 ft at 7 seconds.
showers. patchy fog in the morning. 
.sat night...n winds 25 to 30 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft, subsiding to 2 ft after midnight.
wave detail: ne 3 ft at 4 seconds and nw 3 ft at 7 seconds,
becoming n 2 ft at 4 seconds and s 1 foot at 7 seconds. a chance
of showers in the evening. 
.sun and sun night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and ne 1 foot
at 5 seconds. 
.mon through tue night...ne winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. a chance of showers. 

winds and seas higher in and near tstms.

seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.

$$

fzus51 kbox 282006
cwfbox
expires:202605290900;;805078

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu may 28 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz234-290900-
buzzards bay-
405 pm edt thu may 28 2026

...gale warning in effect from late friday night through saturday
evening...

.tonight...n winds around 5 kt, becoming nw after midnight. seas
1 foot or less, then around 2 ft after midnight. wave detail: ne
1 foot at 2 seconds and sw 1 foot at 7 seconds, becoming n 1 foot
at 4 seconds and sw 1 foot at 7 seconds. a chance of showers with
a slight chance of tstms this evening. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 4 seconds and se 1 foot at
6 seconds. 
.fri night...sw winds 10 to 15 kt. gusts up to 20 kt, increasing
to 30 kt after midnight. seas 2 to 3 ft. wave detail: sw 2 ft at
5 seconds and e 2 ft at 10 seconds. a chance of showers in the
evening, then showers after midnight. patchy fog after midnight. 
.sat...nw winds 25 to 30 kt, becoming n in the afternoon. gusts
up to 40 kt. seas 2 to 3 ft, building to 4 to 6 ft in the
afternoon. wave detail: n 3 ft at 5 seconds and sw 2 ft at
6 seconds, becoming n 5 ft at 5 seconds and sw 2 ft at 7 seconds.
showers. patchy fog in the morning. 
.sat night...n winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 5 to 10 kt after midnight. seas 3 to 5 ft,
subsiding to 2 ft after midnight. wave detail: n 5 ft at
10 seconds and ne 4 ft at 4 seconds, becoming n 2 ft at 4 seconds
and se 2 ft at 10 seconds. a chance of showers in the evening. 
.sun and sun night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 3 seconds and s 2 ft at
7 seconds. 
.mon through tue night...ne winds 10 to 15 kt with gusts up to
20 kt. seas around 2 ft. a chance of showers.  

winds and seas higher in and near tstms.

seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.

$$

fzus51 kbox 282006
cwfbox
expires:202605290900;;805079

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu may 28 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz235-290900-
rhode island sound-
405 pm edt thu may 28 2026

...gale warning in effect from late friday night through saturday
evening...

.tonight...n winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 8 seconds and ne 1 foot at 2 seconds. a chance of showers
with a slight chance of tstms this evening. 
.fri...nw winds 5 to 10 kt, becoming sw 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: ne 2 ft at 3 seconds and
sw 2 ft at 4 seconds. 
.fri night...sw winds 10 to 15 kt, becoming w 15 to 20 kt after
midnight. gusts up to 30 kt. seas 2 to 4 ft. wave detail: sw 4 ft
at 6 seconds and e 1 foot at 7 seconds. a chance of showers. 
.sat...n winds 25 to 30 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds and sw 4 ft at 7 seconds.
showers likely. patchy fog in the morning. 
.sat night...n winds 25 to 30 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft, subsiding to 2 to 3 ft after
midnight. wave detail: n 5 ft at 5 seconds and s 1 foot at
7 seconds, becoming n 3 ft at 4 seconds and s 1 foot at
7 seconds. 
.sun and sun night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and sw 3 ft at
5 seconds. 
.mon through tue night...ne winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. a chance of showers. 

winds and seas higher in and near tstms.

seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.

$$

fzus51 kbox 282006
cwfbox
expires:202605290900;;805082

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu may 28 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz236-290900-
narragansett bay-
405 pm edt thu may 28 2026

...gale warning in effect from late friday night through saturday
evening...

.tonight...n winds 5 to 10 kt. waves around 2 ft. a chance of
showers with a slight chance of tstms this evening. 
.fri...nw winds around 10 kt, becoming w in the afternoon. waves
around 2 ft. 
.fri night...sw winds 5 to 10 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. waves around 2 ft. a chance of
showers in the evening, then showers likely after midnight.
patchy fog after midnight. 
.sat...n winds 25 to 30 kt with gusts up to 40 kt. waves 2 to
3 ft. showers likely. patchy fog in the morning. 
.sat night...n winds 15 to 20 kt with gusts up to 30 kt, becoming
nw 5 to 10 kt after midnight. waves 2 to 3 ft. 
.sun and sun night...sw winds 10 to 15 kt. waves around 2 ft. 
.mon and mon night...w winds around 10 kt, becoming n. waves
around 2 ft. a chance of showers. 
.tue and tue night...ne winds 5 to 10 kt. waves around 2 ft. a
chance of showers.  

winds and waves higher in and near tstms.

seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.

$$

fzus51 kbox 282006
cwfbox
expires:202605290900;;805070

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu may 28 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-290900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt thu may 28 2026

...gale warning in effect from late friday night through saturday
evening...

.tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n
2 ft at 4 seconds and se 1 foot at 8 seconds. a chance of showers
this evening. 
.fri...n winds 5 to 10 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: ne 2 ft at 6 seconds and nw 1 foot at
3 seconds. 
.fri night...se winds 10 to 15 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 35 kt after midnight.
seas 2 to 3 ft, building to 3 to 5 ft after midnight. wave
detail: e 2 ft at 7 seconds and se 2 ft at 8 seconds, becoming e
5 ft at 5 seconds and s 2 ft at 8 seconds. patchy fog. showers.
.sat...ne winds 25 to 35 kt with gusts up to 45 kt. seas 6 to
9 ft, building to 9 to 12 ft in the afternoon. wave detail: e
9 ft at 8 seconds and sw 5 ft at 5 seconds, becoming ne 12 ft at
7 seconds and n 2 ft at 9 seconds. showers, mainly in the
morning. patchy fog in the morning. 
.sat night...n winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 5 to 10 kt after midnight. seas 7 to 10 ft,
subsiding to 5 to 8 ft after midnight. wave detail: ne 10 ft at
8 seconds and ne 5 ft at 5 seconds, becoming ne 7 ft at 8 seconds
and ne 1 foot at 3 seconds. 
.sun...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
4 to 6 ft. wave detail: e 6 ft at 9 seconds and n 3 ft at
6 seconds. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. a chance of showers after midnight. 
.mon through tue night...ne winds 5 to 10 kt. seas 2 to 4 ft. a
chance of showers.  

seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.

$$

fzus51 kbox 282006
cwfbox
expires:202605290900;;805073

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu may 28 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz254-290900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 pm edt thu may 28 2026

...gale warning in effect from late friday night through saturday
evening...

.tonight...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n
2 ft at 5 seconds and s 2 ft at 8 seconds. patchy fog this
evening. a slight chance of showers this evening with vsby 1 nm
or less. 
.fri...n winds 5 to 10 kt, becoming s in the afternoon. seas 2 to
4 ft. wave detail: ne 3 ft at 6 seconds and s 2 ft at 8 seconds. 
.fri night...s winds 10 to 15 kt with gusts up to 20 kt,
increasing to 15 to 20 kt with gusts up to 30 kt after midnight.
seas 3 to 5 ft. wave detail: ne 3 ft at 7 seconds and s 3 ft at
8 seconds. a chance of showers in the evening, then showers after
midnight. patchy fog after midnight. 
.sat...ne winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft, building to 7 to 10 ft in the afternoon. wave detail: e
6 ft at 6 seconds and s 3 ft at 7 seconds, becoming ne 10 ft at
9 seconds and n 9 ft at 6 seconds. showers. patchy fog in the
morning. 
.sat night...n winds 25 to 30 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt after midnight. seas 8 to 11 ft,
subsiding to 6 to 9 ft after midnight. wave detail: n 11 ft at
6 seconds and ne 11 ft at 9 seconds, becoming ne 9 ft at
9 seconds and n 5 ft at 5 seconds. a chance of showers in the
evening. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: ne 7 ft
at 9 seconds and ne 4 ft at 5 seconds. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. 
.mon through tue night...n winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. a chance of showers.  

seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.

$$

fzus51 kbox 282006
cwfbox
expires:202605290900;;805074

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu may 28 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz255-290900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt thu may 28 2026

...gale warning in effect from late friday night through saturday
evening...

.tonight...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and ne 1 foot at 4 seconds. patchy fog this
evening. a slight chance of showers this evening with vsby 1 to
3 nm. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: w 2 ft at 4 seconds and e 2 ft at
8 seconds. 
.fri night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail:
sw 5 ft at 7 seconds and sw 3 ft at 4 seconds. a chance of
showers in the evening, then showers after midnight. patchy fog
after midnight. 
.sat...nw winds 20 to 25 kt, becoming n 25 to 35 kt in the
afternoon. gusts up to 45 kt. seas 4 to 6 ft, building to 5 to
8 ft in the afternoon. wave detail: w 5 ft at 6 seconds and ne
2 ft at 6 seconds, becoming n 7 ft at 6 seconds and sw 5 ft at
7 seconds. showers. patchy fog in the morning. 
.sat night...n winds 25 to 30 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. wave
detail: n 9 ft at 6 seconds and e 8 ft at 9 seconds, becoming e
7 ft at 9 seconds and n 6 ft at 6 seconds. a chance of showers in
the evening. 
.sun...nw winds 10 to 15 kt, becoming w in the afternoon. seas
4 to 6 ft. wave detail: e 5 ft at 9 seconds and n 3 ft at
5 seconds. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. 
.mon and mon night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming nw. seas 3 to 5 ft. a chance of showers. 
.tue...ne winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers.
.tue night...ne winds 10 to 15 kt. seas 3 to 4 ft.  

seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.

$$