fzus51 kbox 170805
cwfbox
expires:202604172100;;511125

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

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


anz230-172100-
boston harbor-
405 am edt fri apr 17 2026

.today...nw winds 5 to 10 kt, becoming ne 10 to 15 kt this
afternoon. waves 1 foot or less, then around 2 ft this afternoon.
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 170805
cwfbox
expires:202604172100;;511116

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

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


anz231-172100-
cape cod bay-
405 am edt fri apr 17 2026

.today...nw winds around 5 kt, becoming ne this afternoon. seas
1 foot or less, then around 2 ft this afternoon. wave detail: sw
1 foot at 3 seconds and e 1 foot at 5 seconds, becoming nw 1 foot
at 2 seconds and ne 1 foot at 5 seconds. patchy fog. a chance of
rain, mainly this morning. 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 170805
cwfbox
expires:202604172100;;511114

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

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


anz250-172100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt fri apr 17 2026

.today...nw winds 5 to 10 kt, becoming ne 10 to 15 kt this
afternoon. seas around 2 ft. wave detail: ne 2 ft at 5 seconds
and se 2 ft at 8 seconds. patchy fog. a chance of rain, mainly
this morning. 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 170633
cwfgyx
expires:202604172045;;507342

coastal waters forecast
national weather service gray me
233 am edt fri apr 17 2026

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


anz154-172045-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
233 am edt fri apr 17 2026

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

$$