fzus51 kbox 032004
cwfbox
expires:202609040900;;850571

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu sep 3 2026

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


anz231-040900-
cape cod bay-
404 pm edt thu sep 3 2026

.tonight...w winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 2 seconds and e 1 foot at 4 seconds. patchy fog. a
chance of showers with a slight chance of tstms this evening.
vsby 1 nm or less. 
.fri...n winds around 5 kt. seas around 2 ft. wave detail: se
2 ft at 9 seconds and sw 1 foot at 2 seconds. patchy fog in the
morning with vsby 1 nm or less. 
.fri night...sw winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: se 2 ft at 8 seconds and sw 1 foot
at 4 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 3 ft at 9 seconds and n 2 ft at 4 seconds. 
.sat night and sun...n winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: se 4 ft at 9 seconds and n 3 ft at
4 seconds. 
.sun night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 8 seconds and n 2 ft at 5 seconds. 
.mon through tue night...se winds 5 to 10 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 032004
cwfbox
expires:202609040900;;850575

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu sep 3 2026

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


anz232-040900-
nantucket sound-
404 pm edt thu sep 3 2026

.tonight...w winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas around 2 ft. wave detail: w 2 ft at 4 seconds and
e 1 foot at 5 seconds. patchy fog. a slight chance of showers and
tstms this evening. vsby 1 to 3 nm, decreasing to 1 nm or less
after midnight. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: w 1 foot at 3 seconds and se 1 foot at
7 seconds. patchy fog in the morning with vsby 1 nm or less. 
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas around 2 ft. wave detail: sw 1 foot at 4 seconds
and se 1 foot at 7 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 3 seconds and se 1 foot at
8 seconds. 
.sat night and sun...n winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: ne 3 ft at 4 seconds and e 2 ft at
8 seconds. 
.sun night...n winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: e 3 ft
at 9 seconds and ne 2 ft at 3 seconds. 
.mon through tue night...w winds 5 to 10 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 032004
cwfbox
expires:202609040900;;850576

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu sep 3 2026

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


anz233-040900-
vineyard sound-
404 pm edt thu sep 3 2026

.tonight...w winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and e 1 foot at 5 seconds. patchy fog. a slight
chance of showers and tstms this evening. vsby 1 nm or less after
midnight. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. 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 nm or less. 
.fri night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and se 1 foot at
7 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: n 2 ft at 4 seconds and se 1 foot
at 8 seconds. 
.sat night and sun...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: ne 2 ft at 3 seconds and s 1 foot at 7 seconds. 
.sun night...n winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: ne
1 foot at 3 seconds and sw 1 foot at 6 seconds, becoming ne
1 foot at 4 seconds and nw 1 foot at 5 seconds. 
.mon through tue night...sw winds 10 to 15 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 032004
cwfbox
expires:202609040900;;850577

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu sep 3 2026

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


anz234-040900-
buzzards bay-
404 pm edt thu sep 3 2026

.tonight...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. a
slight chance of showers and tstms this evening. vsby 1 nm or
less after midnight. 
.fri...nw winds around 5 kt, becoming sw in the afternoon. seas
1 foot or less. wave detail: w 1 foot at 4 seconds and se 1 foot
at 7 seconds. patchy fog in the morning with vsby 1 nm or less. 
.fri night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: sw
1 foot at 5 seconds and se 1 foot at 7 seconds, becoming nw
1 foot at 5 seconds and se 1 foot at 7 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: nw 1 foot at 4 seconds and e 1 foot
at 7 seconds. 
.sat night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: ne 2 ft at 3 seconds and sw 1 foot at
6 seconds. 
.sun...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: ne 2 ft at 3 seconds and w 1 foot at
7 seconds. 
.sun night...n winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft in the evening, then 1 foot or less. 
.mon through tue night...sw winds 10 to 15 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 032004
cwfbox
expires:202609040900;;850578

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu sep 3 2026

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


anz235-040900-
rhode island sound-
404 pm edt thu sep 3 2026

.tonight...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: se 3 ft at 9 seconds and s
2 ft at 5 seconds. patchy fog. a slight chance of showers and
tstms this evening. vsby 1 nm or less after midnight. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and se 2 ft at
7 seconds. patchy fog. vsby 1 nm or less, increasing to 1 to 3 nm
in the afternoon. 
.fri night...w winds around 10 kt, becoming n after midnight.
seas around 2 ft. wave detail: sw 2 ft at 5 seconds and se 2 ft
at 8 seconds. patchy fog. vsby 1 nm or less. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: n 2 ft at 5 seconds and se 2 ft at
8 seconds. 
.sat night and sun...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: ne 3 ft at 4 seconds and sw 2 ft at 7 seconds. 
.sun night...n winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: ne 2 ft at 4 seconds and s 1 foot at
7 seconds. 
.mon through tue night...s winds 10 to 15 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 032004
cwfbox
expires:202609040900;;850581

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu sep 3 2026

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


anz236-040900-
narragansett bay-
404 pm edt thu sep 3 2026

.tonight...sw winds 5 to 10 kt, becoming w after midnight. waves
around 2 ft. a slight chance of showers and tstms this evening.
patchy fog after midnight with vsby 1 nm or less. 
.fri...nw winds around 5 kt, becoming w in the afternoon. waves
around 2 ft. patchy fog in the morning with vsby 1 nm or less. 
.fri night...w winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.sat...n winds 5 to 10 kt. waves around 2 ft. a chance of showers
in the afternoon. 
.sat night...ne winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening. 
.sun and sun night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.mon through tue night...sw winds 5 to 10 kt. waves around 2 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 032004
cwfbox
expires:202609040900;;850569

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu sep 3 2026

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


anz250-040900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm edt thu sep 3 2026

.tonight...nw winds around 5 kt. seas 2 to 3 ft. wave detail: se
3 ft at 5 seconds and se 2 ft at 9 seconds. patchy fog. a slight
chance of showers and tstms this evening. vsby 1 nm or less. 
.fri...nw winds around 5 kt, becoming sw around 5 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and
se 3 ft at 8 seconds. patchy fog in the morning with vsby 1 nm or
less. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: se 2 ft at 8 seconds and s 1 foot at
4 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: e 3 ft at 6 seconds and nw 2 ft at 3 seconds. 
.sat night and sun...n winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: n 5 ft at 6 seconds and se 5 ft at
9 seconds. 
.sun night...nw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: nw
4 ft at 5 seconds and ne 4 ft at 10 seconds. 
.mon through tue night...se winds 5 to 10 kt. seas 2 to 4 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 032004
cwfbox
expires:202609040900;;850572

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu sep 3 2026

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


anz254-040900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 pm edt thu sep 3 2026

.tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and e 2 ft at 6 seconds. patchy fog. a chance
of showers and tstms this evening. vsby 1 nm or less. 
.fri...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 7 seconds and sw 1 foot at 4 seconds. patchy fog in the
morning with vsby 1 nm or less. 
.fri night...sw winds around 5 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot
at 5 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: n 3 ft at 4 seconds and se 2 ft at 8 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.sat night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: e 5 ft at 7 seconds and sw 1 foot at
6 seconds. 
.sun and sun night...nw winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: n 6 ft at 7 seconds and ne 6 ft at
8 seconds. 
.mon and mon night...nw winds 10 to 15 kt, becoming w 5 to 10 kt.
seas 3 to 5 ft. 
.tue and tue night...w winds 5 to 10 kt. seas 2 to 4 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 032004
cwfbox
expires:202609040900;;850573

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu sep 3 2026

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


anz255-040900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 pm edt thu sep 3 2026

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

$$