fzus51 kbox 260206
cwfbox
expires:202603261500;;298093

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed mar 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz231-261500-
cape cod bay-
1005 pm edt wed mar 25 2026

...small craft advisory in effect from 5 am edt thursday through
friday morning...

.overnight...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 2 ft at 3 seconds and e 1 foot at
8 seconds. a slight chance of rain. 
.thu...sw winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: s 3 ft
at 4 seconds and e 1 foot at 9 seconds. a chance of rain in the
morning. 
.thu night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at
8 seconds. a chance of rain in the evening, then rain likely
after midnight. patchy fog after midnight with vsby 1 to 3 nm. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: nw 2 ft at 3 seconds and se 2 ft at 8 seconds.
rain likely, mainly in the morning. patchy fog in the morning
with vsby 1 to 3 nm. 
.fri night and sat...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds. 
.sat night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: n 2 ft at 6 seconds. 
.sun and sun night...w winds 10 to 15 kt, becoming sw 15 to
20 kt. seas around 2 ft. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. 
.mon night...w winds 20 to 25 kt. seas 2 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.

$$

fzus51 kbox 260206
cwfbox
expires:202603261500;;298097

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed mar 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz232-261500-
nantucket sound-
1005 pm edt wed mar 25 2026

...small craft advisory in effect from 5 am edt thursday through
friday morning...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt. seas
2 to 3 ft. wave detail: s 3 ft at 4 seconds and e 1 foot at
9 seconds. a slight chance of rain. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 4 ft at 5 seconds and e 1 foot at
9 seconds. patchy fog in the afternoon with vsby 1 to 3 nm. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: sw 4 ft at 5 seconds and se 2 ft at
9 seconds. patchy fog. a chance of rain in the evening. rain
likely after midnight. vsby 1 nm or less. 
.fri...nw winds 15 to 20 kt, becoming n in the afternoon. seas
3 to 5 ft, subsiding to 2 to 3 ft in the afternoon. wave detail:
w 3 ft at 5 seconds and se 2 ft at 9 seconds, becoming w 2 ft at
8 seconds and ne 2 ft at 8 seconds. rain likely. patchy fog in
the morning with vsby 1 nm or less. 
.fri night and sat...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: ne 2 ft at 4 seconds and sw 2 ft at
8 seconds. 
.sat night...n winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: ne 2 ft at 6 seconds and sw 1 foot at
7 seconds. 
.sun and sun night...w winds 10 to 15 kt, becoming sw 15 to
20 kt. seas 2 to 3 ft. 
.mon and mon night...sw winds 20 to 25 kt, becoming w 25 to
30 kt. seas 3 to 5 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.

$$

fzus51 kbox 260206
cwfbox
expires:202603261500;;298098

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed mar 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz233-261500-
vineyard sound-
1005 pm edt wed mar 25 2026

...small craft advisory in effect from 5 am edt thursday through
friday morning...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt. seas
2 to 3 ft. wave detail: s 3 ft at 4 seconds and se 1 foot at
8 seconds. a slight chance of rain. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 5 seconds and e 1 foot at
9 seconds. patchy fog in the afternoon with vsby 1 to 3 nm. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: sw 6 ft at 7 seconds and se 2 ft at
8 seconds. patchy fog. a chance of rain in the evening. rain
after midnight. vsby 1 nm or less. 
.fri...nw winds 10 to 15 kt, becoming ne in the afternoon. gusts
up to 20 kt. seas 4 to 6 ft, subsiding to 2 to 4 ft in the
afternoon. wave detail: sw 5 ft at 7 seconds and se 1 foot at
9 seconds, becoming sw 3 ft at 8 seconds and ne 2 ft at
7 seconds. rain likely. patchy fog in the morning with vsby 1 to
3 nm. 
.fri night through sat night...nw winds 15 to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 8 seconds and ne 2 ft at 3 seconds.
.sun and sun night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
8 seconds. 
.mon...sw winds 25 to 30 kt. seas 3 to 5 ft. 
.mon night...sw winds 25 to 30 kt. seas 4 to 6 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.

$$

fzus51 kbox 260206
cwfbox
expires:202603261500;;298099

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed mar 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz234-261500-
buzzards bay-
1005 pm edt wed mar 25 2026

...small craft advisory in effect from 5 am edt thursday through
friday morning...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt. seas
2 to 3 ft. wave detail: s 3 ft at 4 seconds and se 1 foot at
9 seconds. a slight chance of rain. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 6 seconds and e 1 foot at
9 seconds. a chance of rain in the morning. patchy fog in the
afternoon with vsby 1 to 3 nm. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: s 5 ft at 7 seconds. patchy fog. a chance
of rain in the evening, then rain likely after midnight. vsby
1 nm or less. 
.fri...nw winds 10 to 15 kt, becoming ne in the afternoon. gusts
up to 20 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 7 seconds
and se 2 ft at 9 seconds. rain likely, mainly in the morning.
patchy fog in the morning with vsby 1 to 3 nm. 
.fri night through sat night...nw winds 15 to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 3 seconds and sw 2 ft at 8 seconds.
.sun and sun night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
7 seconds. 
.mon and mon night...sw winds 25 to 30 kt. seas 3 to 5 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.

$$

fzus51 kbox 260206
cwfbox
expires:202603261500;;298100

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed mar 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-261500-
rhode island sound-
1005 pm edt wed mar 25 2026

...small craft advisory in effect from 5 am edt thursday through
friday afternoon...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt. seas
2 to 3 ft. wave detail: s 3 ft at 4 seconds and se 1 foot at
8 seconds. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and se 1 foot at
9 seconds. patchy fog in the afternoon with vsby 1 to 3 nm. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: sw 8 ft at 7 seconds and se 4 ft at
8 seconds. patchy fog. a chance of rain in the evening. rain
likely after midnight. vsby 1 nm or less. 
.fri...nw winds around 15 kt, becoming ne in the afternoon. gusts
up to 20 kt. seas 5 to 7 ft, subsiding to 3 to 5 ft in the
afternoon. wave detail: s 7 ft at 8 seconds, becoming s 5 ft at
8 seconds and se 4 ft at 8 seconds. rain, mainly in the morning.
patchy fog in the morning with vsby 1 to 3 nm. 
.fri night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 3 to 4 ft. wave detail: s 4 ft at 8 seconds and ne
2 ft at 4 seconds. 
.sat...n winds 15 to 20 kt, becoming nw 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: ne 3 ft at 4 seconds and
s 3 ft at 8 seconds. 
.sat night...nw winds 10 to 15 kt. seas around 2 ft. 
.sun and sun night...w winds 15 to 20 kt, becoming sw 20 to
25 kt. seas 2 to 3 ft. 
.mon...sw winds 25 to 30 kt. seas 4 to 6 ft. 
.mon night...sw winds 25 to 30 kt. seas 5 to 7 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.

$$

fzus51 kbox 260206
cwfbox
expires:202603261500;;298103

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed mar 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-261500-
narragansett bay-
1005 pm edt wed mar 25 2026

...small craft advisory in effect from 8 am edt thursday through
thursday evening...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt.
waves 2 to 3 ft. 
.thu...sw winds 15 to 20 kt with gusts up to 30 kt. waves 3 to
4 ft. a chance of rain in the morning. patchy fog in the
afternoon with vsby 1 to 3 nm. 
.thu night...sw winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 ft. patchy fog. a chance of rain in the evening. rain
after midnight. vsby 1 nm or less. 
.fri...n winds 10 to 15 kt. waves 2 to 4 ft. rain, mainly in the
morning. patchy fog in the morning. 
.fri night...ne winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. waves 2 to 3 ft. 
.sat and sat night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.sun and sun night...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. waves 3 to
5 ft. 
.mon night...w winds 15 to 20 kt with gusts up to 25 kt. waves
2 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.

$$

fzus51 kbox 260206
cwfbox
expires:202603261500;;298091

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed mar 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-261500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 pm edt wed mar 25 2026

...small craft advisory in effect through friday afternoon...

.overnight...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 4 ft at 4 seconds and e 2 ft at
9 seconds. a chance of rain. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 4 ft at 5 seconds and se 3 ft at 8 seconds.
a chance of rain in the morning. 
.thu night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: s 4 ft at 6 seconds. rain. patchy fog
after midnight with vsby 1 nm or less. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: ne 4 ft at 8 seconds and nw 3 ft at 4 seconds.
a chance of rain. patchy fog in the morning with vsby 1 to 3 nm. 
.fri night and sat...n winds 15 to 20 kt. seas 3 to 5 ft. wave
detail: ne 5 ft at 6 seconds. 
.sat night...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: ne 3 ft at 7 seconds and
nw 2 ft at 3 seconds. 
.sun and sun night...w winds 10 to 15 kt, becoming sw 15 to
20 kt. gusts up to 25 kt. seas 2 to 4 ft.
.mon and mon night...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 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.

$$

fzus51 kbox 260206
cwfbox
expires:202603261500;;298094

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed mar 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz254-261500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 pm edt wed mar 25 2026

...small craft advisory in effect from 5 am edt thursday through
friday evening...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt.
gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft at
4 seconds and e 2 ft at 9 seconds. a slight chance of rain. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and e 1 foot at
9 seconds. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: sw 7 ft at 7 seconds and se 3 ft at
9 seconds. patchy fog. a chance of rain in the evening, then rain
likely after midnight. vsby 1 to 3 nm, decreasing to 1 nm or less
after midnight. 
.fri...nw winds 15 to 20 kt, becoming n in the afternoon. gusts
up to 25 kt. seas 4 to 6 ft. wave detail: w 6 ft at 7 seconds and
ne 5 ft at 8 seconds. rain likely, mainly in the morning. patchy
fog in the morning with vsby 1 nm or less. 
.fri night and sat...n winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. wave detail: ne 5 ft at 6 seconds and s 3 ft at
7 seconds. 
.sat night...nw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: ne
4 ft at 7 seconds and s 1 foot at 7 seconds. 
.sun and sun night...w winds 10 to 15 kt, becoming sw 15 to
20 kt. seas 3 to 4 ft. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. 
.mon night...w winds 25 to 30 kt. seas 5 to 7 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.

$$

fzus51 kbox 260206
cwfbox
expires:202603261500;;298095

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed mar 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-261500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 pm edt wed mar 25 2026

...small craft advisory in effect from 5 am edt thursday through
friday evening...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft at
5 seconds and e 2 ft at 9 seconds. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 7 ft at 7 seconds and e 1 foot at
9 seconds. patchy fog in the afternoon with vsby 1 nm or less. 
.thu night...sw winds 25 to 30 kt. seas 7 to 10 ft. wave detail:
sw 10 ft at 8 seconds and se 2 ft at 9 seconds. patchy fog. rain
likely after midnight. vsby 1 nm or less, increasing to 1 to 3 nm
after midnight. 
.fri...nw winds 15 to 20 kt, becoming n in the afternoon. gusts
up to 25 kt. seas 6 to 9 ft, subsiding to 4 to 6 ft in the
afternoon. wave detail: sw 9 ft at 8 seconds and se 1 foot at
9 seconds, becoming sw 6 ft at 8 seconds and ne 3 ft at
9 seconds. rain. patchy fog in the morning with vsby 1 to 3 nm. 
.fri night and sat...n winds 15 to 20 kt. seas 3 to 5 ft. wave
detail: s 5 ft at 8 seconds and ne 4 ft at 5 seconds. 
.sat night...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: ne 3 ft at 7 seconds and w
2 ft at 6 seconds. 
.sun and sun night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.mon...sw winds 25 to 30 kt. seas 4 to 6 ft. 
.mon night...w winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 8 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.

$$