fzus51 kbox 180203
cwfbox
expires:202609181500;;631648

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 17 2026

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


anz230-181500-
boston harbor-
1003 pm edt thu sep 17 2026

.overnight...sw winds 5 to 10 kt. waves around 2 ft. patchy fog.
a chance of showers. vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt. waves around 2 ft. patchy fog in the
morning with vsby 1 to 3 nm. 
.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.  

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 180203
cwfbox
expires:202609181500;;631639

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 17 2026

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


anz231-181500-
cape cod bay-
1003 pm edt thu sep 17 2026

.overnight...sw winds 10 to 15 kt. gusts up to 20 kt. seas around
2 ft. wave detail: s 1 foot at 2 seconds and e 1 foot at
7 seconds. a slight chance of showers, then a chance of showers.
patchy fog with vsby 1 to 3 nm. 
.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 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.  

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 180203
cwfbox
expires:202609181500;;631637

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 17 2026

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


anz250-181500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt thu sep 17 2026

.overnight...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. patchy fog. a chance of showers. vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt. gusts up to 20 kt in the morning.
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.  

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.

$$