fzus51 kbox 230503
cwfbox
expires:202609231800;;905571

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed sep 23 2026

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


anz230-231800-
boston harbor-
103 am edt wed sep 23 2026

...small craft advisory in effect through thursday evening...

.rest of tonight...ne winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
3 ft. 
.wed night...ne winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. 
.thu...ne winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
3 ft, except 4 to 6 ft at the outer harbor entrance. 
.thu night...ne winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. 
.fri and fri night...n winds 25 to 30 kt with gusts up to 35 kt.
waves 2 to 3 ft, except 5 to 7 ft at the outer harbor entrance. a
chance of showers. 
.sat and sat night...n winds 25 to 30 kt with gusts up to 40 kt.
waves around 2 ft, except 5 to 7 ft at the outer harbor entrance.
a chance of showers. 
.sun and sun night...ne winds 20 to 25 kt with gusts up to 35 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
showers likely.  

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 230503
cwfbox
expires:202609231800;;905562

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed sep 23 2026

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


anz231-231800-
cape cod bay-
103 am edt wed sep 23 2026

...gale warning in effect from this evening through thursday
evening...

.rest of tonight...ne winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: ne 3 ft at 4 seconds. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: ne 4 ft at 4 seconds and se 2 ft at
11 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: se 5 ft at 9 seconds and ne 4 ft at
4 seconds. 
.thu...ne winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: e 6 ft at 10 seconds and ne 5 ft at 4 seconds.
.thu night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 5 to 7 ft. wave detail: e 6 ft at 11 seconds
and n 5 ft at 5 seconds. 
.fri...ne winds 25 to 30 kt with gusts up to 40 kt, becoming n
30 to 35 kt with gusts up to 50 kt in the afternoon. seas 5 to
7 ft, building to 6 to 9 ft in the afternoon. wave detail: n 6 ft
at 5 seconds and e 6 ft at 12 seconds, becoming n 8 ft at
6 seconds and e 8 ft at 12 seconds. a chance of showers. 
.fri night...n winds around 30 kt with gusts up to 45 kt. seas
7 to 10 ft. a chance of showers. 
.sat...n winds around 30 kt with gusts up to 45 kt. seas 7 to
10 ft. showers likely with a chance of tstms. 
.sat night...n winds 25 to 30 kt with gusts up to 45 kt. seas
6 to 9 ft. showers likely with a chance of tstms. 
.sun and sun night...ne winds 25 to 30 kt, diminishing to 20 to
25 kt. gusts up to 40 kt. seas 5 to 7 ft. showers likely.  

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 230503
cwfbox
expires:202609231800;;905560

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed sep 23 2026

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


anz250-231800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt wed sep 23 2026

...small craft advisory in effect through thursday evening...

.rest of tonight...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 5 ft. wave detail: e 5 ft at 7 seconds and n 1 foot at
4 seconds. 
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: e 7 ft at 8 seconds and se 1 foot at
12 seconds. 
.wed night...ne winds 15 to 20 kt with gusts up to 30 kt. seas
6 to 8 ft. wave detail: e 8 ft at 9 seconds and n 1 foot at
4 seconds. 
.thu...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 7 to 10 ft. wave detail: e
9 ft at 10 seconds. 
.thu night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 8 to 11 ft. wave detail:
e 10 ft at 11 seconds and ne 6 ft at 7 seconds. 
.fri...ne winds 25 to 30 kt with gusts up to 45 kt. seas 10 to
14 ft. wave detail: e 11 ft at 11 seconds and ne 9 ft at
7 seconds. a chance of showers in the afternoon. 
.fri night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
12 to 15 ft. a chance of showers. 
.sat and sat night...n winds 25 to 30 kt with gusts up to 45 kt.
seas 13 to 16 ft, subsiding to 11 to 15 ft. a chance of showers. 
.sun...ne winds 25 to 30 kt with gusts up to 40 kt. seas 9 to
13 ft. showers likely. 
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
7 to 10 ft. showers likely.  

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 230624
cwfgyx
expires:202609232030;;908595

coastal waters forecast
national weather service gray me
224 am edt wed sep 23 2026

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


anz154-232030-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
224 am edt wed sep 23 2026

...small craft advisory in effect from 11 am edt this morning
through friday morning...

.rest of tonight...ne winds 10 to 15 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: e 3 ft at 7 seconds.
.wed...ne winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: e 4 ft at 4 seconds and e
4 ft at 7 seconds. 
.wed night...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: e 5 ft at 7 seconds. 
.thu...ne winds 10 to 15 kt with gusts up to 25 kt. seas 5 to 7 ft.
wave detail: e 6 ft at 9 seconds. 
.thu night...ne winds 5 to 10 kt with gusts up to 20 kt, increasing
to 15 to 20 kt with gusts up to 30 kt after midnight. seas 5 to
8 ft. wave detail: se 7 ft at 10 seconds. 
.fri...ne winds 25 to 30 kt with gusts up to 40 kt. seas 6 to 9 ft.
wave detail: e 9 ft at 11 seconds. 
.fri night...ne winds 25 to 30 kt with gusts up to 45 kt. seas 8 to
11 ft. a chance of rain. vsby 1 to 3 nm in the evening. 
.sat...n winds 25 to 30 kt with gusts up to 45 kt. seas 9 to 13 ft.
rain likely. 
.sat night...ne winds 25 to 30 kt with gusts up to 40 kt. seas 10 to
13 ft, subsiding to 9 to 11 ft after midnight. rain likely in the
evening, then showers likely after midnight. 
.sun...ne winds 25 to 30 kt with gusts up to 40 kt. seas 8 to 11 ft.
showers likely. 
.sun night...ne winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. seas 6 to 8 ft. showers likely.  

$$