fzus51 kbox 280805
cwfbox
expires:202605282100;;777728

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

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


anz231-282100-
cape cod bay-
405 am edt thu may 28 2026

...gale watch in effect from saturday morning through saturday
evening...

.today...n winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 8 seconds and n 1 foot at 3 seconds. patchy fog this
morning. a chance of showers this afternoon. vsby 1 nm or less
this morning. 
.tonight...nw winds around 5 kt, becoming n after midnight. seas
1 foot or less. wave detail: nw 1 foot at 4 seconds and n 1 foot
at 4 seconds. a chance of showers in the evening. 
.fri...n winds 5 to 10 kt, becoming e in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail: n
1 foot at 4 seconds and se 1 foot at 8 seconds, becoming e 2 ft
at 8 seconds and n 1 foot at 4 seconds. 
.fri night...s winds 5 to 10 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: s
2 ft at 3 seconds and ne 2 ft at 6 seconds. patchy fog. 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 6 seconds and e 6 ft at 10 seconds.
showers. patchy fog in the morning. 
.sat night...n winds 25 to 30 kt with gusts up to 35 kt, becoming
nw 10 to 15 kt with gusts up to 20 kt after midnight. seas 5 to
7 ft. wave detail: ne 7 ft at 9 seconds and n 6 ft at 6 seconds. 
.sun...nw winds 5 to 10 kt. seas 3 to 5 ft. 
.sun night through mon 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 280805
cwfbox
expires:202605282100;;777732

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

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


anz232-282100-
nantucket sound-
405 am edt thu may 28 2026

...gale watch in effect from saturday morning through saturday
evening...

.today...n winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. seas around 2 ft. wave detail: n 1 foot at 3 seconds
and nw 1 foot at 5 seconds. a chance of showers this afternoon. 
.tonight...n winds 5 to 10 kt. seas around 2 ft. wave detail: ne
1 foot at 3 seconds and nw 1 foot at 3 seconds. a chance of
showers in the 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
8 seconds. 
.fri night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds
and s 2 ft at 8 seconds. showers. patchy fog after midnight. 
.sat...nw winds 20 to 25 kt with gusts up to 30 kt, becoming n
25 to 30 kt with gusts up to 40 kt in the afternoon. seas 3 to
4 ft. wave detail: n 4 ft at 5 seconds and s 2 ft at 7 seconds.
showers.
.sat night...n winds 25 to 30 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt after midnight. seas 3 to 5 ft. wave
detail: n 5 ft at 6 seconds and e 3 ft at 9 seconds. 
.sun...w winds 5 to 10 kt. seas 3 to 5 ft. 
.sun night...sw winds 10 to 15 kt. seas 2 to 3 ft.
.mon and mon night...sw winds 10 to 15 kt, becoming nw 5 to
10 kt. seas around 2 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 280805
cwfbox
expires:202605282100;;777733

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

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


anz233-282100-
vineyard sound-
405 am edt thu may 28 2026

...gale watch in effect from saturday morning through saturday
evening...

.today...n winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 8 seconds and n 1 foot at 3 seconds. a chance of showers
this afternoon. 
.tonight...nw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 8 seconds and ne 1 foot at 3 seconds. a chance of showers
in the 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 ne 1 foot at 2 seconds. 
.fri night...sw winds 10 to 15 kt, becoming w 15 to 20 kt after
midnight. seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and sw
3 ft at 6 seconds. showers.
.sat...n winds 25 to 30 kt. gusts up to 40 kt in the afternoon.
seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. wave
detail: ne 4 ft at 6 seconds and w 4 ft at 6 seconds, becoming w
5 ft at 7 seconds and ne 4 ft at 4 seconds. showers likely,
mainly in the morning. 
.sat night...n winds 25 to 30 kt, becoming nw 10 to 15 kt after
midnight. seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight.
wave detail: ne 3 ft at 4 seconds and nw 3 ft at 5 seconds,
becoming n 2 ft at 4 seconds and e 2 ft at 10 seconds. 
.sun and sun night...w winds 10 to 15 kt. seas around 2 ft. 
.mon and mon night...sw winds 10 to 15 kt, becoming ne 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 280805
cwfbox
expires:202605282100;;777734

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

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


anz234-282100-
buzzards bay-
405 am edt thu may 28 2026

...gale watch in effect from saturday morning through saturday
evening...

.today...n winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 2 seconds and nw 1 foot at 5 seconds. a chance of
showers this afternoon. 
.tonight...nw winds 5 to 10 kt. seas 1 foot or less. wave detail:
ne 1 foot at 2 seconds and sw 1 foot at 6 seconds. a chance of
showers in the evening. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 8 seconds and n 1 foot at
3 seconds. 
.fri night...sw winds 10 to 15 kt, becoming w 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and s
2 ft at 6 seconds. showers.
.sat...n winds 25 to 30 kt with gusts up to 40 kt. seas around
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 6 ft at
5 seconds and sw 1 foot at 7 seconds. showers likely, mainly in
the morning. 
.sat night...n winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt after midnight. seas 3 to 5 ft, subsiding to 2 ft
after midnight. wave detail: n 5 ft at 9 seconds and ne 4 ft at
4 seconds, becoming n 2 ft at 4 seconds and se 2 ft at
10 seconds. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.mon and mon night...sw winds 10 to 15 kt, becoming ne 5 to
10 kt. seas around 2 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 280805
cwfbox
expires:202605282100;;777735

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

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


anz235-282100-
rhode island sound-
405 am edt thu may 28 2026

...gale watch in effect from saturday morning through saturday
evening...

.today...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and se 2 ft at 8 seconds. a chance of showers this
afternoon. 
.tonight...n winds around 5 kt, becoming nw after midnight. seas
around 2 ft. wave detail: s 2 ft at 8 seconds and ne 1 foot at
3 seconds. a chance of showers in the evening. 
.fri...nw winds around 10 kt, becoming sw with gusts up to 20 kt
in the afternoon. seas 2 to 3 ft. wave detail: n 2 ft at
3 seconds and s 2 ft at 8 seconds. 
.fri night...sw winds 10 to 15 kt, becoming w 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft, building to 3 to
5 ft after midnight. wave detail: sw 3 ft at 4 seconds and s 2 ft
at 8 seconds, becoming sw 4 ft at 7 seconds and w 3 ft at
5 seconds. showers likely. 
.sat...n winds 25 to 30 kt with gusts up to 40 kt. seas 3 to
5 ft. wave detail: n 5 ft at 5 seconds and sw 4 ft at 7 seconds.
a chance of showers. 
.sat night...n winds 25 to 30 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: ne 4 ft at 5 seconds and
nw 3 ft at 4 seconds. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.mon...sw winds 10 to 15 kt. seas around 2 ft. a chance of
showers. 
.mon 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 280805
cwfbox
expires:202605282100;;777738

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

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


anz236-282100-
narragansett bay-
405 am edt thu may 28 2026

...gale watch in effect from saturday morning through saturday
evening...

.today...n winds 5 to 10 kt. waves around 2 ft. a slight chance
of showers this morning, then a chance of showers this afternoon.
.tonight...n winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening. 
.fri...nw winds 5 to 10 kt. waves around 2 ft. 
.fri night...sw winds 5 to 10 kt, becoming w 10 to 15 kt with
gusts up to 20 kt after midnight. waves 2 to 3 ft. showers
likely. 
.sat...n winds 20 to 25 kt with gusts up to 35 kt. waves 2 to
3 ft. a chance of showers. 
.sat night...n winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 5 to 10 kt after midnight. waves 2 to 3 ft. 
.sun and sun night...w winds 10 to 15 kt. waves around 2 ft. 
.mon and mon night...sw winds around 10 kt, becoming ne. waves
around 2 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 280805
cwfbox
expires:202605282100;;777726

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

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


anz250-282100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt thu may 28 2026

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

.today...n winds 5 to 10 kt. seas around 2 ft. wave detail: nw
2 ft at 3 seconds and n 2 ft at 4 seconds. patchy fog. a slight
chance of tstms. a slight chance of showers this morning, then a
chance of showers this afternoon. vsby 1 nm or less. 
.tonight...n winds 5 to 10 kt. seas around 2 ft. wave detail: n
2 ft at 4 seconds and se 1 foot at 8 seconds. patchy fog in the
evening. a chance of showers in the evening with vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 7 seconds and nw 1 foot at
4 seconds. 
.fri night...se winds 10 to 15 kt with gusts up to 20 kt,
becoming e 20 to 25 kt with gusts up to 30 kt after midnight.
seas 2 to 4 ft. wave detail: se 4 ft at 7 seconds and s 1 foot at
3 seconds. patchy fog. showers. vsby 1 to 3 nm after midnight. 
.sat...ne winds 25 to 30 kt with gusts up to 40 kt. seas 3 to
5 ft, building to 6 to 9 ft in the afternoon. wave detail: ne
5 ft at 7 seconds and e 5 ft at 10 seconds, becoming ne 9 ft at
8 seconds and nw 3 ft at 4 seconds. showers. patchy fog in the
morning with vsby 1 to 3 nm. 
.sat night...n winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 5 to 10 kt after midnight. seas 8 to 11 ft. wave detail: ne
11 ft at 9 seconds and ne 5 ft at 6 seconds. 
.sun...w winds 5 to 10 kt. seas 5 to 7 ft. 
.sun night...sw winds around 10 kt. seas 3 to 5 ft. a chance of
showers. 
.mon and mon night...w winds around 10 kt, becoming ne. 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 280805
cwfbox
expires:202605282100;;777729

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

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


anz254-282100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 am edt thu may 28 2026

...gale watch in effect from saturday morning through saturday
evening...

.today...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 4 seconds and s 2 ft at 7 seconds. patchy fog. a slight chance
of tstms. a chance of showers this afternoon. vsby 1 nm or less,
increasing to 1 to 3 nm this afternoon. 
.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 7 seconds. patchy fog in the
evening. a chance of showers in the 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: ne 3 ft at 8 seconds and s 2 ft at
8 seconds. 
.fri night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 8 seconds and sw 3 ft at 4 seconds. patchy fog. showers. vsby
1 to 3 nm after midnight. 
.sat...n winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 4 to 6 ft. wave detail: n 6 ft at 6 seconds and
ne 6 ft at 10 seconds. showers. patchy fog in the morning with
vsby 1 to 3 nm. 
.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. wave
detail: ne 11 ft at 9 seconds and n 9 ft at 6 seconds. a chance
of showers in the evening. 
.sun...w winds 10 to 15 kt. seas 5 to 8 ft. 
.sun night...sw winds 10 to 15 kt. seas 4 to 6 ft. a chance of
showers. 
.mon and mon night...sw winds 10 to 15 kt, becoming nw 5 to
10 kt. seas 2 to 4 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 280805
cwfbox
expires:202605282100;;777730

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

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


anz255-282100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 am edt thu may 28 2026

...gale watch in effect from saturday morning through saturday
evening...

.today...n winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and n
2 ft at 4 seconds. patchy fog this morning. a chance of showers
this afternoon. vsby 1 to 3 nm. 
.tonight...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 7 seconds and ne 1 foot at 4 seconds. patchy fog in the
evening. a chance of showers in the 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 ne 2 ft 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 4 ft, building to
4 to 6 ft after midnight. wave detail: sw 3 ft at 5 seconds and s
2 ft at 8 seconds, becoming sw 5 ft at 8 seconds and w 4 ft at
5 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 5 to 6 ft. wave detail: ne 6 ft at 6 seconds
and w 5 ft at 6 seconds. showers, mainly in the morning. 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 5 to 7 ft. wave detail: n 7 ft at 6 seconds and e 7 ft at
9 seconds. 
.sun...w winds 10 to 15 kt. seas 4 to 6 ft. 
.sun night...sw winds 10 to 15 kt. seas 3 to 5 ft.
.mon...sw winds 10 to 15 kt. seas 2 to 4 ft. a chance of showers.
.mon night...nw winds 5 to 10 kt. seas 3 to 5 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.

$$