fzus51 kbox 260805
cwfbox
expires:202603262100;;312276

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

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


anz231-262100-
cape cod bay-
404 am edt thu mar 26 2026

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

.today...sw winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
9 seconds. a slight chance of showers this morning. 
.tonight...sw winds 15 to 20 kt, becoming w after midnight. gusts
up to 25 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds
and se 2 ft at 8 seconds. patchy fog. rain. vsby 1 to 3 nm,
decreasing to 1 nm or less after midnight. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: nw 2 ft at 3 seconds and e 2 ft at 9 seconds.
rain likely, mainly in the morning. patchy fog in the morning
with vsby 1 to 3 nm. 
.fri night...ne winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: n
3 ft at 5 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 3 ft at 5 seconds. 
.sat night...w winds 5 to 10 kt. seas around 2 ft. wave detail: n
2 ft at 6 seconds. 
.sun through mon night...sw winds 20 to 25 kt with gusts up to
30 kt. seas 2 to 3 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 260805
cwfbox
expires:202603262100;;312280

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

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


anz232-262100-
nantucket sound-
404 am edt thu mar 26 2026

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

.today...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. 
.tonight...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 5 seconds and se 1 foot at
9 seconds. patchy fog. rain likely. vsby 1 to 3 nm after
midnight. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: w 3 ft at 6 seconds and ne 2 ft at 7 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. seas 2 to 3 ft. wave detail:
ne 2 ft at 4 seconds and sw 2 ft at 8 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: ne 3 ft at 4 seconds and
sw 1 foot 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
6 seconds. 
.sun through mon night...sw winds 25 to 30 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 260805
cwfbox
expires:202603262100;;312281

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

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


anz233-262100-
vineyard sound-
404 am edt thu mar 26 2026

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

.today...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 5 seconds and e 1 foot at
9 seconds. 
.tonight...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 6 ft at 6 seconds and se 1 foot at
9 seconds. patchy fog. rain likely. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
6 ft, subsiding to 3 to 4 ft in the afternoon. wave detail: sw
5 ft at 8 seconds and se 1 foot at 9 seconds, becoming sw 4 ft at
8 seconds and ne 2 ft at 6 seconds. rain, mainly in the morning.
patchy fog in the morning. 
.fri night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 4 ft. wave detail: sw 3 ft at 8 seconds and
ne 2 ft at 3 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 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 7 seconds. 
.sat night...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
ne 1 foot at 4 seconds and nw 1 foot at 5 seconds. 
.sun and sun night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. 
.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 260805
cwfbox
expires:202603262100;;312282

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

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


anz234-262100-
buzzards bay-
404 am edt thu mar 26 2026

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

.today...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. 
.tonight...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. rain. vsby
1 to 3 nm after midnight.
.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 ne 2 ft at 5 seconds.
rain, mainly in the morning. patchy fog in the morning. 
.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: ne
2 ft at 3 seconds and sw 2 ft at 8 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: ne 2 ft at 3 seconds
and sw 2 ft at 7 seconds. 
.sat night...nw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: ne 1 foot at 3 seconds
and w 1 foot at 5 seconds, becoming w 1 foot at 5 seconds and e
1 foot at 6 seconds. 
.sun through mon night...sw winds 25 to 30 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 260805
cwfbox
expires:202603262100;;312283

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

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


anz235-262100-
rhode island sound-
404 am edt thu mar 26 2026

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

.today...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. 
.tonight...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: s 8 ft at 7 seconds and se 2 ft at 8 seconds.
patchy fog. rain likely. 
.fri...n winds 10 to 15 kt with 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 2 ft at
8 seconds. rain, mainly in the morning. patchy fog in the
morning. 
.fri night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 3 to 5 ft. wave detail: s 5 ft at 8 seconds and ne
2 ft at 4 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 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. wave detail:
nw 2 ft at 6 seconds and e 2 ft at 7 seconds. 
.sun and sun night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.mon and mon night...sw winds 25 to 30 kt with gusts up to 35 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 260805
cwfbox
expires:202603262100;;312286

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

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


anz236-262100-
narragansett bay-
404 am edt thu mar 26 2026

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

.today...sw winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
4 ft. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 ft. patchy fog. rain.
.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...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.sun through mon night...sw winds 20 to 25 kt with gusts up to
30 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 260805
cwfbox
expires:202603262100;;312274

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

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


anz250-262100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt thu mar 26 2026

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

.today...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. a slight chance of
showers this morning. 
.tonight...sw winds 15 to 20 kt, becoming w after midnight. gusts
up to 30 kt. seas 3 to 5 ft. wave detail: s 4 ft at 6 seconds.
patchy fog. rain. vsby 1 to 3 nm, decreasing to 1 nm or less
after midnight. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: se 4 ft at 8 seconds and nw 2 ft at 4 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, becoming n 15 to 20 kt after
midnight. seas 3 to 5 ft. wave detail: n 4 ft at 7 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: ne 5 ft at 6 seconds. 
.sat night...w winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: ne 3 ft at 6 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.sun night through mon night...sw winds 20 to 25 kt with gusts up
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 260805
cwfbox
expires:202603262100;;312277

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

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


anz254-262100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 am edt thu mar 26 2026

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

.today...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: s 6 ft at 6 seconds and e 1 foot at 9 seconds.
a slight chance of showers this morning. 
.tonight...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. 
.fri...n winds 15 to 20 kt. seas 4 to 6 ft. wave detail: nw 6 ft
at 7 seconds and ne 5 ft at 9 seconds. patchy fog. rain likely,
mainly 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 5 ft. wave detail: ne 4 ft at 6 seconds and s
4 ft at 8 seconds. 
.sat...n winds 15 to 20 kt. seas 3 to 5 ft. wave detail: ne 4 ft
at 6 seconds and w 3 ft at 7 seconds. 
.sat night...nw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: ne
4 ft at 6 seconds and s 1 foot at 7 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...sw winds 25 to 30 kt with gusts up to 35 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 260805
cwfbox
expires:202603262100;;312278

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

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


anz255-262100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 am edt thu mar 26 2026

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

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

$$