fzus51 kbox 172003
cwfbox
expires:202609180900;;618702

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 pm edt thu sep 17 2026

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


anz230-180900-
boston harbor-
403 pm edt thu sep 17 2026

.tonight...s winds 5 to 10 kt, becoming sw after midnight. waves
around 2 ft. a slight chance of tstms. a chance of showers this
evening, then showers likely after midnight. patchy fog after
midnight. 
.fri...nw winds 5 to 10 kt. waves around 2 ft. patchy fog in the
morning. 
.fri night...n winds around 10 kt. waves around 2 ft.
.sat...ne winds 5 to 10 kt, becoming e in the afternoon. waves
1 foot or less. 
.sat night...se winds 5 to 10 kt. waves 1 foot or less. 
.sun and sun night...ne winds 5 to 10 kt. waves 1 foot or less.
showers likely. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of showers. 
.mon night through tue night...ne 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 172003
cwfbox
expires:202609180900;;618693

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 pm edt thu sep 17 2026

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


anz231-180900-
cape cod bay-
403 pm edt thu sep 17 2026

.tonight...sw winds around 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: s 1 foot at 2 seconds
and e 1 foot at 8 seconds. a slight chance of tstms. a chance of
showers this evening, then showers likely after midnight. patchy
fog after midnight. 
.fri...nw winds around 10 kt, becoming n in the afternoon. gusts
up to 20 kt. seas 2 to 3 ft. wave detail: w 1 foot at 3 seconds
and e 1 foot at 8 seconds. patchy fog in the morning. a chance of
showers in the morning with vsby 1 to 3 nm. 
.fri night...n winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: n 3 ft at 5 seconds. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n
2 ft at 5 seconds. 
.sat night...se winds around 5 kt. seas around 2 ft. wave detail:
n 2 ft at 6 seconds. 
.sun...se winds 5 to 10 kt. seas around 2 ft. wave detail: n 2 ft
at 6 seconds and se 1 foot at 4 seconds. a chance of showers in
the afternoon. 
.sun night...se winds 5 to 10 kt, becoming e after midnight. seas
around 2 ft. showers likely. 
.mon...ne winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. a chance of showers. 
.mon night and tue...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.tue night...ne winds 20 to 25 kt with gusts up to 30 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 172003
cwfbox
expires:202609180900;;618691

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 pm edt thu sep 17 2026

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


anz250-180900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt thu sep 17 2026

.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 3 seconds and e 2 ft at 8 seconds. a
slight chance of tstms. a chance of showers this evening, then
showers likely after midnight. patchy fog after midnight with
vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: w 2 ft at 4 seconds and e 2 ft at 8 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.fri night...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 4 ft
at 6 seconds. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: nw
4 ft at 6 seconds. 
.sat night...se winds around 5 kt, becoming s after midnight.
seas 2 to 3 ft. wave detail: ne 3 ft at 7 seconds and nw 1 foot
at 4 seconds. 
.sun...se winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 3 seconds and e 2 ft at 8 seconds. a chance of showers in the
afternoon. 
.sun night...se winds 5 to 10 kt, becoming e after midnight. seas
2 to 3 ft. showers likely. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. a chance of showers. 
.mon night and tue...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. 
.tue night...ne winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 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 kgyx 172102
cwfgyx
expires:202609181000;;621401

coastal waters forecast
national weather service gray me
502 pm edt thu sep 17 2026

coastal waters from stonington me to merrimack river ma out to 60 nm


anz154-181000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
502 pm edt thu sep 17 2026

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

winds and seas higher in and near tstms.

$$