fzus51 kbox 171705
cwfbox
expires:202604180600;;530081

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt fri apr 17 2026

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


anz230-180600-
boston harbor-
104 pm edt fri apr 17 2026

.this afternoon...ne winds 10 to 15 kt. waves around 2 ft. patchy
fog. a slight chance of rain. vsby 1 nm or less. 
.tonight...ne winds 5 to 10 kt. waves 1 foot or less. patchy fog.
vsby 1 to 3 nm. 
.sat...ne winds around 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. patchy fog in the morning with vsby 1 to
3 nm. 
.sat night...e winds 5 to 10 kt, becoming se after midnight.
waves 1 foot or less. patchy fog in the evening. 
.sun and sun night...w winds 15 to 20 kt. waves around 2 ft.
showers.
.mon through tue night...s winds 10 to 15 kt with gusts up to
20 kt. waves 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 171705
cwfbox
expires:202604180600;;530072

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt fri apr 17 2026

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


anz231-180600-
cape cod bay-
104 pm edt fri apr 17 2026

.this afternoon...ne winds around 10 kt. seas around 2 ft. wave
detail: n 1 foot at 2 seconds and s 1 foot at 8 seconds. patchy
fog. a slight chance of rain. vsby 1 nm or less. 
.tonight...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. patchy fog. vsby
1 to 3 nm. 
.sat...ne winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and s 1 foot at 8 seconds. patchy fog. vsby
1 to 3 nm in the morning. 
.sat night...ne winds around 5 kt, becoming s after midnight.
seas around 2 ft. wave detail: ne 1 foot at 4 seconds and s
1 foot at 7 seconds. patchy fog in the evening. 
.sun...s winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: ne 2 ft
at 5 seconds and sw 2 ft at 5 seconds. a chance of showers in the
morning, then showers likely in the afternoon. 
.sun night...nw winds around 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: nw 2 ft at 4 seconds and s 1 foot at
6 seconds. showers likely, mainly in the evening. 
.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 171705
cwfbox
expires:202604180600;;530070

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt fri apr 17 2026

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


anz250-180600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt fri apr 17 2026

.this afternoon...ne winds 10 to 15 kt. seas around 2 ft. wave
detail: n 2 ft at 3 seconds and se 2 ft at 8 seconds. patchy fog.
a slight chance of rain. vsby 1 nm or less. 
.tonight...ne winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas around 2 ft. wave detail: n 2 ft at 4 seconds and
se 2 ft at 8 seconds. patchy fog. vsby 1 to 3 nm. 
.sat...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: ne 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...e winds 5 to 10 kt, becoming s after midnight. seas
2 to 4 ft. wave detail: e 4 ft at 7 seconds and n 1 foot at
3 seconds. patchy fog in the evening. 
.sun...s winds 10 to 15 kt, becoming sw with gusts up to 20 kt in
the afternoon. seas 3 to 4 ft. wave detail: se 4 ft at 7 seconds
and sw 2 ft at 3 seconds. a chance of showers in the morning,
then showers in the afternoon. 
.sun night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 5 ft. wave detail: nw 4 ft at 4 seconds and e 3 ft at
8 seconds. showers likely, mainly in the evening. 
.mon and mon night...nw winds 15 to 20 kt. seas 3 to 5 ft. 
.tue and tue night...n winds 10 to 15 kt, becoming s 15 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 kgyx 171848
cwfgyx
expires:202604180900;;537097

coastal waters forecast
national weather service gray me
248 pm edt fri apr 17 2026

coastal waters from stonington me to merrimack river ma out to 25 nm


anz154-180900-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
248 pm edt fri apr 17 2026

.tonight...ne winds around 5 kt, increasing to 5 to 10 kt after
midnight. seas around 2 ft. wave detail: se 2 ft at 7 seconds.
patchy fog towards daybreak. vsby 1 nm or less towards daybreak. 
.sat...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to 3 ft.
wave detail: e 3 ft at 5 seconds and se 2 ft at 8 seconds. areas of
dense fog in the morning with vsby 1 nm or less. 
.sat night...e winds 5 to 10 kt, becoming se after midnight. seas
2 to 4 ft. wave detail: e 3 ft at 6 seconds. patchy fog after
midnight with vsby 1 nm or less. 
.sun...s winds 5 to 10 kt, becoming w 10 to 15 kt in the afternoon.
seas 3 to 5 ft. wave detail: e 4 ft at 8 seconds. areas of dense fog
in the morning. rain. vsby 1 nm or less in the morning. 
.sun night...nw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: e 4 ft at 8 seconds and w 3 ft at 3 seconds. rain
in the evening. 
.mon...w winds 10 to 15 kt. gusts up to 25 kt in the morning. seas
2 to 4 ft. wave detail: w 3 ft at 3 seconds and e 3 ft at 8 seconds.
.mon night...nw winds 10 to 15 kt, becoming n after midnight. gusts
up to 25 kt. seas 2 to 3 ft. 
.tue...n winds 10 to 15 kt, becoming se in the afternoon. seas 2 to
3 ft. 
.tue night...s winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. a chance of showers after midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt, diminishing to
around 10 kt in the afternoon. seas 2 to 4 ft. a chance of showers
in the morning. 
.wed night...w winds 10 to 15 kt, becoming nw after midnight. seas
2 to 4 ft.  

$$