fzus51 kbox 262007
cwfbox
expires:202603270900;;339685

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 26 2026

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


anz231-270900-
cape cod bay-
407 pm edt thu mar 26 2026

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

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

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 262007
cwfbox
expires:202603270900;;339689

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 26 2026

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


anz232-270900-
nantucket sound-
407 pm edt thu mar 26 2026

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

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

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 262007
cwfbox
expires:202603270900;;339690

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 26 2026

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


anz233-270900-
vineyard sound-
407 pm edt thu mar 26 2026

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

.tonight...sw winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: sw 7 ft at 8 seconds and sw 2 ft at 4 seconds.
patchy fog. rain. vsby 1 to 3 nm after midnight. 
.fri...nw winds 15 to 20 kt, becoming ne 10 to 15 kt in the
afternoon. seas 4 to 6 ft. wave detail: sw 6 ft at 8 seconds and
n 2 ft at 4 seconds. patchy fog in the morning. rain in the
morning. 
.fri night...ne winds 10 to 15 kt. seas 2 to 4 ft. wave detail:
sw 3 ft at 8 seconds and n 1 foot at 4 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and
sw 2 ft at 8 seconds. 
.sat night...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
nw 1 foot at 2 seconds and ne 1 foot at 3 seconds. 
.sun and sun night...sw winds 20 to 25 kt. seas 2 to 4 ft. wave
detail: sw 4 ft at 7 seconds and sw 3 ft at 4 seconds. 
.mon and mon night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.tue and tue night...sw winds 15 to 20 kt, becoming se 20 to
25 kt. seas 2 to 3 ft. a chance of rain.  

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 262007
cwfbox
expires:202603270900;;339691

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 26 2026

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


anz234-270900-
buzzards bay-
407 pm edt thu mar 26 2026

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

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

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 262007
cwfbox
expires:202603270900;;339692

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 26 2026

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


anz235-270900-
rhode island sound-
407 pm edt thu mar 26 2026

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

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

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 262007
cwfbox
expires:202603270900;;339695

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 26 2026

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


anz236-270900-
narragansett bay-
407 pm edt thu mar 26 2026

...small craft advisory in effect until midnight edt tonight...

.tonight...sw winds 20 to 25 kt with gusts up to 30 kt. waves
3 to 5 ft. patchy fog. rain.
.fri...n winds 10 to 15 kt. gusts up to 20 kt in the morning.
waves 2 to 4 ft. patchy fog in the morning. rain likely in the
morning. 
.fri night...ne winds 5 to 10 kt. waves 2 to 3 ft.
.sat...n winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. waves around 2 ft. 
.sat night...nw winds 5 to 10 kt. waves around 2 ft. 
.sun...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves around 2 ft. 
.sun night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. waves 2 to 4 ft. 
.mon and mon night...sw winds 10 to 15 kt with gusts up to 25 kt.
waves 2 to 4 ft. 
.tue and tue night...sw winds 10 to 15 kt, becoming se 15 to
20 kt. waves 2 to 3 ft. a chance of rain.  

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 262007
cwfbox
expires:202603270900;;339683

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 26 2026

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


anz250-270900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
407 pm edt thu mar 26 2026

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

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

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 262007
cwfbox
expires:202603270900;;339686

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 26 2026

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


anz254-270900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
407 pm edt thu mar 26 2026

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

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

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 262007
cwfbox
expires:202603270900;;339687

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 26 2026

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


anz255-270900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
407 pm edt thu mar 26 2026

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

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

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.

$$