fzus51 kbox 170205
cwfbox
expires:202604171500;;496086

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu apr 16 2026

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


anz231-171500-
cape cod bay-
1004 pm edt thu apr 16 2026

.overnight...sw 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.
vsby 1 to 3 nm, decreasing to 1 nm or less. 
.fri...w winds around 5 kt, becoming ne in the afternoon. seas
1 foot or less. wave detail: sw 1 foot at 3 seconds and e 1 foot
at 8 seconds. a chance of showers. patchy fog in the morning with
vsby 1 nm or less. 
.fri night...ne winds 5 to 10 kt. seas 1 foot or less. wave
detail: n 1 foot at 3 seconds and s 1 foot at 8 seconds. a chance
of showers in the evening. 
.sat...ne winds 5 to 10 kt. seas 1 foot or less. wave detail: n
1 foot at 3 seconds and se 1 foot at 8 seconds. patchy fog in the
morning. 
.sat night...e winds around 5 kt, becoming s after midnight. seas
1 foot or less, then around 2 ft after midnight. wave detail: ne
1 foot at 3 seconds and s 1 foot at 7 seconds, becoming ne 1 foot
at 4 seconds and se 1 foot at 6 seconds. 
.sun and sun night...w 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
3 seconds. a chance of showers in the morning, then showers
likely through the night. a chance of showers after midnight. 
.mon through tue night...sw winds 10 to 15 kt with gusts up to
20 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 170205
cwfbox
expires:202604171500;;496090

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu apr 16 2026

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


anz232-171500-
nantucket sound-
1004 pm edt thu apr 16 2026

.overnight...sw winds 10 to 15 kt. gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 4 seconds and e 1 foot at
9 seconds. patchy fog. vsby 1 nm or less. 
.fri...w winds 5 to 10 kt, becoming n 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: se 2 ft at 7 seconds and
w 1 foot at 3 seconds. a chance of showers. patchy fog in the
morning with vsby 1 nm or less. 
.fri night...ne winds 5 to 10 kt. seas around 2 ft. wave detail:
n 1 foot at 4 seconds and s 1 foot at 7 seconds. a chance of
showers in the evening. patchy fog after midnight. 
.sat...ne winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 4 seconds and s 1 foot at 7 seconds. patchy fog in the
morning. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and n 1 foot at
3 seconds. 
.sun and sun night...nw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 5 seconds and e 2 ft at 7 seconds. a chance of
showers in the morning, then showers likely through the night. a
chance of showers after midnight. 
.mon through tue night...sw winds 15 to 20 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 170205
cwfbox
expires:202604171500;;496091

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu apr 16 2026

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


anz233-171500-
vineyard sound-
1004 pm edt thu apr 16 2026

.overnight...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 5 seconds and s 1 foot at 3 seconds. patchy fog. vsby
1 nm or less. 
.fri...w winds 5 to 10 kt, becoming n in the afternoon. seas 2 to
3 ft. wave detail: s 3 ft at 7 seconds and w 1 foot at 3 seconds.
a chance of showers. patchy fog in the morning with vsby 1 nm or
less. 
.fri night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 7 seconds and ne 1 foot at 3 seconds. a chance of showers
in the evening. patchy fog after midnight. 
.sat...ne winds around 10 kt. seas around 2 ft. wave detail: sw
2 ft at 7 seconds and n 1 foot at 3 seconds. patchy fog in the
morning. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. seas
around 2 ft. wave detail: ne 1 foot at 3 seconds and s 1 foot at
6 seconds. 
.sun and sun night...nw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 5 seconds and e 1 foot at 8 seconds. a chance
of showers in the morning, then showers likely through the night.
a chance of showers after midnight. 
.mon through tue night...sw winds 20 to 25 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 170205
cwfbox
expires:202604171500;;496092

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu apr 16 2026

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


anz234-171500-
buzzards bay-
1004 pm edt thu apr 16 2026

.overnight...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. patchy fog. vsby
1 nm or less. 
.fri...w winds around 5 kt, becoming n in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 7 seconds and se 2 ft at
11 seconds. a chance of showers. patchy fog in the morning with
vsby 1 nm or less. 
.fri night...ne winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 7 seconds and ne 1 foot at 2 seconds. a chance of
showers in the evening. 
.sat...ne winds around 10 kt. seas around 2 ft. wave detail: ne
1 foot at 2 seconds and n 1 foot at 5 seconds. patchy fog in the
morning. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: ne
1 foot at 3 seconds and s 1 foot at 6 seconds. 
.sun and sun night...w winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: w 3 ft at 5 seconds and s 2 ft at 3 seconds. a chance of
showers in the morning, then showers likely through the night. a
chance of showers after midnight. 
.mon through tue night...sw winds 15 to 20 kt with gusts up to
25 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 170205
cwfbox
expires:202604171500;;496093

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu apr 16 2026

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


anz235-171500-
rhode island sound-
1004 pm edt thu apr 16 2026

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: s 4 ft at 6 seconds and sw 2 ft at
3 seconds. patchy fog. vsby 1 nm or less. 
.fri...w winds 5 to 10 kt, becoming n 10 to 15 kt in the
afternoon. seas 3 to 4 ft. wave detail: s 4 ft at 7 seconds and
se 2 ft at 11 seconds. a chance of showers. patchy fog in the
morning with vsby 1 nm or less. 
.fri night...ne winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and e 1 foot at 5 seconds. a chance of showers
in the evening. 
.sat...ne winds around 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and n 1 foot at 4 seconds. patchy fog in the
morning. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. seas
around 2 ft. wave detail: s 2 ft at 7 seconds and ne 1 foot at
3 seconds. 
.sun and sun night...nw winds 15 to 20 kt. seas 2 to 4 ft. wave
detail: w 3 ft at 4 seconds and se 3 ft at 6 seconds. a chance of
showers in the morning, then showers likely through the night. a
chance of showers after midnight. 
.mon through tue...w winds 15 to 20 kt. seas 2 to 4 ft. 
.tue night...sw winds 20 to 25 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 170205
cwfbox
expires:202604171500;;496096

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu apr 16 2026

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


anz236-171500-
narragansett bay-
1004 pm edt thu apr 16 2026

.overnight...sw winds 5 to 10 kt. waves around 2 ft. patchy fog.
vsby 1 nm or less. 
.fri...w winds around 5 kt, becoming n in the afternoon. waves
around 2 ft. a chance of showers. patchy fog in the morning with
vsby 1 nm or less. 
.fri night...ne winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening. 
.sat...ne winds 5 to 10 kt. waves around 2 ft. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. waves
around 2 ft. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. a chance of showers in the morning, then
showers likely through the night. a chance of showers after
midnight. 
.mon through tue...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.tue night...sw winds 15 to 20 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 170205
cwfbox
expires:202604171500;;496084

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu apr 16 2026

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


anz250-171500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 pm edt thu apr 16 2026

.overnight...s winds 5 to 10 kt, becoming sw. seas around 2 ft.
wave detail: se 2 ft at 7 seconds and sw 1 foot at 3 seconds.
patchy fog. a slight chance of showers. vsby 1 nm or less. 
.fri...nw winds 5 to 10 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot at
3 seconds. patchy fog in the morning. a chance of showers in the
afternoon. vsby 1 nm or less in the morning. 
.fri night...ne winds 5 to 10 kt. seas around 2 ft. wave detail:
n 2 ft at 4 seconds and se 2 ft at 8 seconds. 
.sat...ne winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 7 seconds and n 1 foot at 3 seconds. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds and n 1 foot at
3 seconds. 
.sun...s winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 4 ft. wave detail: se 4 ft at 7 seconds and
sw 2 ft at 4 seconds. a chance of showers in the morning, then
showers likely in the afternoon. 
.sun night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. showers likely, mainly in the evening. 
.mon and mon night...nw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. 
.tue and tue night...w winds 10 to 15 kt, becoming s 15 to 20 kt.
gusts up to 25 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 170205
cwfbox
expires:202604171500;;496087

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu apr 16 2026

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


anz254-171500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1004 pm edt thu apr 16 2026

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: se 3 ft at 7 seconds and w 1 foot at
3 seconds. patchy fog. vsby 1 nm or less. 
.fri...w winds 5 to 10 kt, becoming n in the afternoon. seas 2 to
4 ft. wave detail: s 3 ft at 7 seconds and w 1 foot at 3 seconds.
patchy fog in the morning. a chance of showers in the afternoon.
vsby 1 nm or less in the morning. 
.fri night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and nw 1 foot at 3 seconds. a chance of showers
in the evening. patchy fog after midnight. 
.sat...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne 3 ft
at 5 seconds and s 3 ft at 7 seconds. patchy fog in the morning. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. seas
2 to 3 ft. wave detail: e 3 ft at 7 seconds and s 2 ft at
7 seconds. 
.sun...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and
e 4 ft at 7 seconds. showers likely in the afternoon. 
.sun night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. showers likely, mainly in the evening. 
.mon...nw winds 15 to 20 kt. seas 3 to 5 ft. 
.mon night through tue night...sw winds 15 to 20 kt with gusts up
to 25 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 170205
cwfbox
expires:202604171500;;496088

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu apr 16 2026

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


anz255-171500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 pm edt thu apr 16 2026

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. wave detail: s 5 ft at 7 seconds and sw 2 ft at
3 seconds. patchy fog. vsby 1 nm or less. 
.fri...w winds 5 to 10 kt, becoming n 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: se 4 ft at 7 seconds and
nw 1 foot at 3 seconds. patchy fog in the morning. a chance of
showers in the afternoon. vsby 1 nm or less in the morning. 
.fri night...ne winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s
4 ft at 7 seconds and n 1 foot at 2 seconds. patchy fog. a chance
of showers in the evening. 
.sat...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and n 2 ft at 5 seconds. patchy fog in the morning. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. seas
2 to 3 ft. wave detail: e 3 ft at 7 seconds and s 2 ft at
7 seconds. 
.sun...s winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: sw
4 ft at 4 seconds and e 3 ft at 7 seconds. showers likely in the
afternoon. 
.sun night...nw winds 20 to 25 kt. seas 4 to 6 ft. showers
likely, mainly in the evening. 
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. 
.mon night...nw winds 15 to 20 kt. seas 3 to 5 ft.
.tue...nw winds 10 to 15 kt. seas 2 to 4 ft. 
.tue night...sw winds 20 to 25 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.

$$