fzus51 kbox 030204
cwfbox
expires:202609031500;;806907

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt wed sep 2 2026

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


anz231-031500-
cape cod bay-
1003 pm edt wed sep 2 2026

.overnight...se winds 5 to 10 kt. gusts up to 20 kt. seas around
2 ft. wave detail: se 1 foot at 2 seconds and se 1 foot at
10 seconds. a slight chance of showers. 
.thu...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: se 2 ft at 3 seconds and se 1 foot at
10 seconds. patchy fog. showers, mainly in the morning. vsby 1 nm
or less, increasing to 1 to 3 nm in the afternoon. 
.thu night...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: e 2 ft at 4 seconds and sw 1 foot at
3 seconds. patchy fog after midnight with vsby 1 to 3 nm. 
.fri...nw winds around 5 kt. seas around 2 ft. wave detail: se
2 ft at 9 seconds and w 1 foot at 2 seconds. patchy fog in the
morning with vsby 1 to 3 nm. 
.fri night...w winds 5 to 10 kt, becoming nw with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: w 1 foot at
2 seconds and e 1 foot at 7 seconds. 
.sat and sat night...n winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: n 3 ft at 4 seconds and e 3 ft at
8 seconds. 
.sun through mon night...sw winds 15 to 20 kt with gusts up 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 030204
cwfbox
expires:202609031500;;806911

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt wed sep 2 2026

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


anz232-031500-
nantucket sound-
1003 pm edt wed sep 2 2026

.overnight...se winds 10 to 15 kt. gusts up to 20 kt. seas around
2 ft. wave detail: se 1 foot at 4 seconds and se 1 foot at
10 seconds. a chance of showers. 
.thu...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at 4 seconds.
patchy fog. showers likely in the morning. a chance of showers in
the afternoon. vsby 1 to 3 nm. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas around 2 ft. wave
detail: w 2 ft at 4 seconds and se 1 foot at 4 seconds. patchy
fog. vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: nw 1 foot at 3 seconds and se 1 foot at
7 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.fri night...w winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas around 2 ft. wave detail:
nw 2 ft at 3 seconds and se 1 foot at 7 seconds. 
.sat and sat night...n winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds and se 1 foot at
8 seconds. 
.sun through mon...n winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.mon night...sw winds 5 to 10 kt. seas around 2 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 030204
cwfbox
expires:202609031500;;806912

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt wed sep 2 2026

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


anz233-031500-
vineyard sound-
1003 pm edt wed sep 2 2026

.overnight...se winds around 10 kt. gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 1 foot at 4 seconds and se 1 foot at
10 seconds. showers likely. 
.thu...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 5 seconds and se 1 foot at
9 seconds. patchy fog. showers likely in the morning. vsby 1 to
3 nm. 
.thu night...w winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and se 1 foot at 4 seconds. patchy fog. vsby
1 to 3 nm. 
.fri...w winds 5 to 10 kt. seas around 2 ft. wave detail: w
1 foot at 5 seconds and se 1 foot at 7 seconds. patchy fog in the
morning with vsby 1 to 3 nm. 
.fri night...w winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas around 2 ft. wave detail:
w 2 ft at 4 seconds and se 1 foot at 7 seconds. 
.sat and sat night...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 se 1 foot at
8 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
4 ft. 
.sun night through mon night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas around 2 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 030204
cwfbox
expires:202609031500;;806913

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt wed sep 2 2026

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


anz234-031500-
buzzards bay-
1003 pm edt wed sep 2 2026

.overnight...se winds 5 to 10 kt. gusts up to 20 kt. seas around
2 ft. wave detail: se 1 foot at 3 seconds and se 1 foot at
10 seconds. showers likely with isolated tstms. some tstms may
produce heavy rainfall. 
.thu...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 5 seconds and se 1 foot at
9 seconds. patchy fog. showers likely in the morning. vsby 1 to
3 nm. 
.thu night...w winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 5 seconds and se 1 foot at 9 seconds. patchy fog after
midnight with vsby 1 to 3 nm. 
.fri...w winds 5 to 10 kt. seas around 2 ft. wave detail: w
1 foot at 4 seconds and se 1 foot at 7 seconds. patchy fog in the
morning with vsby 1 to 3 nm. 
.fri night...w winds 5 to 10 kt, becoming nw with gusts up to
20 kt after midnight. seas around 2 ft. wave detail: sw 1 foot at
4 seconds and se 1 foot at 8 seconds. 
.sat and sat night...n winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: n 1 foot at 6 seconds and se 1 foot
at 7 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.sun night through mon night...sw winds 5 to 10 kt with gusts up
to 20 kt. seas around 2 ft.  

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 030204
cwfbox
expires:202609031500;;806914

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt wed sep 2 2026

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


anz235-031500-
rhode island sound-
1003 pm edt wed sep 2 2026

.overnight...se winds 10 to 15 kt. gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 5 seconds and se 2 ft at 10 seconds.
a chance of showers with isolated tstms. some tstms may produce
heavy rainfall. 
.thu...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 5 seconds and se 3 ft at 9 seconds.
patchy fog. showers likely in the morning. vsby 1 to 3 nm. 
.thu night...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and se
2 ft at 9 seconds. patchy fog after midnight with vsby 1 nm or
less. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 7 seconds. patchy fog in the
morning with vsby 1 nm or less. 
.fri night...w winds around 10 kt, becoming nw with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: sw 2 ft at
5 seconds and se 2 ft at 7 seconds. 
.sat and sat night...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 2 ft at 6 seconds and se 2 ft at
8 seconds. 
.sun through mon night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 ft.  

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 030204
cwfbox
expires:202609031500;;806917

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt wed sep 2 2026

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


anz236-031500-
narragansett bay-
1003 pm edt wed sep 2 2026

.overnight...se winds 5 to 10 kt. waves around 2 ft. patchy fog.
showers with a slight chance of tstms. some tstms may produce
heavy rainfall. 
.thu...sw winds 5 to 10 kt with gusts up to 20 kt. waves 2 to
3 ft. patchy fog. showers, mainly in the morning with vsby 1 to
3 nm. 
.thu night...sw winds 5 to 10 kt, becoming w after midnight.
waves around 2 ft. patchy fog after midnight with vsby 1 to 3 nm.
.fri...nw winds 5 to 10 kt. waves around 2 ft. 
.fri night...nw winds 5 to 10 kt. waves around 2 ft. 
.sat and sat night...n winds 5 to 10 kt with gusts up to 20 kt.
waves around 2 ft. 
.sun through mon night...sw winds 10 to 15 kt with gusts up to
20 kt. waves 2 to 3 ft.  

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 030204
cwfbox
expires:202609031500;;806905

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt wed sep 2 2026

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


anz250-031500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt wed sep 2 2026

.overnight...se winds 10 to 15 kt. gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 2 ft at 4 seconds and sw 2 ft at 6 seconds.
showers. 
.thu...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: s 3 ft at 4 seconds and se 2 ft at 9 seconds.
patchy fog. showers, mainly in the morning. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.thu night...sw winds around 10 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and se 2 ft at
9 seconds. patchy fog after midnight with vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
2 to 3 ft. wave detail: e 3 ft at 7 seconds and w 1 foot at
3 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.fri night...w winds 5 to 10 kt, becoming nw with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: e 3 ft at
7 seconds and sw 1 foot at 5 seconds. 
.sat and sat night...n winds 10 to 15 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 7 seconds and ne 5 ft at
7 seconds. 
.sun...n winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. 
.sun night and mon...n winds 5 to 10 kt. seas 3 to 5 ft. 
.mon night...sw winds 5 to 10 kt with gusts up to 20 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 030204
cwfbox
expires:202609031500;;806908

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt wed sep 2 2026

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


anz254-031500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 pm edt wed sep 2 2026

.overnight...se winds around 10 kt. gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 10 seconds and e 2 ft at 4 seconds.
a chance of showers. 
.thu...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: se 3 ft at 4 seconds and se 3 ft at 9 seconds.
patchy fog. a chance of showers. vsby 1 to 3 nm. 
.thu night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 5 seconds and e 2 ft at 6 seconds. patchy fog. a chance
of showers in the evening. vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 2 ft
at 5 seconds and se 2 ft at 7 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.fri night...w winds around 5 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: w
2 ft at 5 seconds and e 2 ft at 7 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: n 3 ft at 5 seconds and se 2 ft at 8 seconds. 
.sat night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft, building to 4 to 6 ft after midnight. 
.sun and sun night...n winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt. seas 5 to
7 ft. 
.mon and mon night...n winds 5 to 10 kt with gusts up to 20 kt,
becoming sw. 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 030204
cwfbox
expires:202609031500;;806909

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt wed sep 2 2026

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


anz255-031500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 pm edt wed sep 2 2026

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

$$