fzus51 kbox 050203
cwfbox
expires:202606051500;;196330

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu jun 4 2026

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


anz231-051500-
cape cod bay-
1003 pm edt thu jun 4 2026

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: sw 2 ft at 3 seconds and e 1 foot at
9 seconds. 
.fri...w winds 5 to 10 kt, becoming s in the afternoon. seas
1 foot or less. wave detail: w 1 foot at 3 seconds and se 1 foot
at 10 seconds. 
.fri night...sw winds 5 to 10 kt. seas 1 foot or less, then
around 2 ft after midnight. wave detail: sw 1 foot at 2 seconds
and se 1 foot at 9 seconds. 
.sat...sw winds 5 to 10 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
2 ft at 3 seconds and e 1 foot at 10 seconds. 
.sat night...sw winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 2 ft at 3 seconds and e 1 foot at
9 seconds. showers likely. 
.sun and sun night...ne winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds. a chance of
showers in the morning, then showers likely with a chance of
tstms through the night. a chance of showers after midnight. 
.mon and mon night...ne winds 15 to 20 kt with gusts up to 25 kt,
becoming n 5 to 10 kt. seas 2 to 4 ft. 
.tue and tue night...n winds around 10 kt, becoming sw. 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 050203
cwfbox
expires:202606051500;;196334

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu jun 4 2026

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


anz232-051500-
nantucket sound-
1003 pm edt thu jun 4 2026

.overnight...sw winds 15 to 20 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and se 1 foot at 10 seconds. 
.fri...sw winds 10 to 15 kt. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and se 1 foot at 9 seconds. 
.fri night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and se 1 foot at 8 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 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 se 1 foot at 9 seconds. 
.sat 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 1 foot at
8 seconds. showers likely. 
.sun and sun night...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 4 seconds and ne 3 ft at 4 seconds. a chance
of showers in the morning, then showers likely with a chance of
tstms through the night. 
.mon and mon night...ne winds 15 to 20 kt, becoming n 10 to
15 kt. gusts up to 25 kt. seas 2 to 4 ft. 
.tue and tue night...n winds 10 to 15 kt with gusts up to 20 kt,
becoming w. 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 050203
cwfbox
expires:202606051500;;196335

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu jun 4 2026

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


anz233-051500-
vineyard sound-
1003 pm edt thu jun 4 2026

.overnight...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and s 1 foot at 9 seconds. 
.fri...sw winds 10 to 15 kt. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and s 1 foot at 9 seconds. 
.fri night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas around 2 ft. wave detail: sw 2 ft at
4 seconds and s 1 foot at 9 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
4 ft at 5 seconds and s 1 foot at 9 seconds. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 4 ft at 6 seconds and se 3 ft at
10 seconds. showers likely. 
.sun and sun night...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds and sw 3 ft at 8 seconds. a chance of
showers in the morning, then showers likely with a chance of
tstms through the night. 
.mon and mon night...ne winds 15 to 20 kt, becoming n 10 to
15 kt. gusts up to 25 kt. seas 2 to 4 ft. 
.tue and tue night...n winds 10 to 15 kt, becoming w. 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 050203
cwfbox
expires:202606051500;;196336

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu jun 4 2026

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


anz234-051500-
buzzards bay-
1003 pm edt thu jun 4 2026

.overnight...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and s 1 foot at 8 seconds. patchy fog with
vsby 1 to 3 nm. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 4 seconds
and s 1 foot at 9 seconds. patchy fog in the morning with vsby
1 to 3 nm. 
.fri night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas around 2 ft. wave detail: sw 2 ft at
4 seconds and s 1 foot at 8 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas around 2 ft, building to 3 to
4 ft in the afternoon. wave detail: sw 2 ft at 4 seconds and s
1 foot at 9 seconds, becoming sw 3 ft at 5 seconds and s 1 foot
at 9 seconds. 
.sat night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail:
se 4 ft at 10 seconds and sw 3 ft at 5 seconds. showers likely. 
.sun and sun night...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 2 ft at 7 seconds. a chance of showers in the morning,
then showers likely with a chance of tstms through the night. 
.mon through tue...n winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.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 050203
cwfbox
expires:202606051500;;196337

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu jun 4 2026

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


anz235-051500-
rhode island sound-
1003 pm edt thu jun 4 2026

.overnight...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 4 seconds and s 2 ft at 9 seconds. 
.fri...w winds 5 to 10 kt, becoming sw 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and
se 2 ft at 9 seconds. 
.fri night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 4 seconds and se 3 ft at 9 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: sw
4 ft at 5 seconds and se 3 ft at 9 seconds. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: s 5 ft at 7 seconds. showers likely. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 3 to 4 ft. wave detail: sw 4 ft at 7 seconds. a chance of
showers in the morning, then showers likely with a chance of
tstms in the afternoon. 
.sun night...n winds 10 to 15 kt, becoming ne 15 to 20 kt after
midnight. seas 3 to 4 ft. a chance of showers and tstms in the
evening. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.mon night...n winds 15 to 20 kt. seas 2 to 4 ft. 
.tue and tue night...n winds 10 to 15 kt, becoming w. gusts up to
20 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 050203
cwfbox
expires:202606051500;;196340

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu jun 4 2026

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


anz236-051500-
narragansett bay-
1003 pm edt thu jun 4 2026

.overnight...sw winds 5 to 10 kt. waves around 2 ft. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. waves around 2 ft. 
.fri night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. waves around 2 ft. 
.sat...sw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.sat night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves 2 to 3 ft. showers likely. 
.sun and sun night...ne winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. a chance of showers in the morning, then showers
likely with a chance of tstms through the night. 
.mon through tue night...sw winds 15 to 20 kt with gusts up to
25 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 050203
cwfbox
expires:202606051500;;196328

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu jun 4 2026

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


anz250-051500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt thu jun 4 2026

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at
7 seconds. 
.fri...w winds 5 to 10 kt, becoming s in the afternoon. seas 2 to
3 ft. wave detail: w 2 ft at 4 seconds and se 2 ft at 9 seconds. 
.fri night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 8 seconds and s 2 ft at 3 seconds. 
.sat...s winds 5 to 10 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: s 4 ft
at 4 seconds and se 3 ft at 9 seconds. 
.sat night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail:
sw 4 ft at 5 seconds and se 3 ft at 8 seconds. showers likely in
the evening. a chance of showers after midnight. 
.sun...w winds 10 to 15 kt, becoming n 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and
w 2 ft at 4 seconds. a chance of showers in the afternoon. 
.sun night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 3 to 5 ft. a chance of
showers. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.mon night...n winds 5 to 10 kt. seas 2 to 4 ft. 
.tue...n winds 5 to 10 kt. seas around 2 ft. 
.tue night...sw winds 5 to 10 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 050203
cwfbox
expires:202606051500;;196331

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu jun 4 2026

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


anz254-051500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 pm edt thu jun 4 2026

.overnight...sw winds around 15 kt with gusts up to 20 kt. seas
around 3 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at
10 seconds. 
.fri...sw winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and
se 2 ft at 9 seconds. 
.fri night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
3 ft at 9 seconds and sw 2 ft at 4 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: s 4 ft
at 5 seconds and se 3 ft at 9 seconds. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: sw 4 ft at 5 seconds and se 4 ft at
8 seconds. showers likely. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 3 to 5 ft. wave detail: s 4 ft at 7 seconds and w 2 ft at
4 seconds. a chance of showers in the morning, then showers
likely with a chance of tstms in the afternoon. 
.sun night...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 3 to 5 ft. a chance of showers. 
.mon...n winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. 
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.tue night...w winds 10 to 15 kt. seas 3 to 5 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 050203
cwfbox
expires:202606051500;;196332

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu jun 4 2026

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


anz255-051500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 pm edt thu jun 4 2026

.overnight...sw winds around 15 kt. seas around 3 ft. wave
detail: sw 3 ft at 4 seconds and se 2 ft at 10 seconds. 
.fri...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 4 seconds and se 2 ft at 9 seconds. 
.fri night...sw winds around 10 kt. seas 3 to 4 ft. wave detail:
se 3 ft at 9 seconds and sw 2 ft at 4 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: sw
4 ft at 5 seconds and se 3 ft at 8 seconds. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: sw 6 ft at 6 seconds and se 5 ft at
8 seconds. showers likely. 
.sun and sun night...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: s 5 ft at 7 seconds. a chance of
showers. a chance of tstms through the night. 
.mon...ne winds 20 to 25 kt. seas 4 to 6 ft. 
.mon night...n winds 15 to 20 kt. seas 3 to 5 ft. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.tue night...w winds 10 to 15 kt. seas 3 to 5 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.

$$