fzus51 kbox 301405
cwfbox
expires:202605310300;;896319

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat may 30 2026

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


anz230-310300-
boston harbor-
1005 am edt sat may 30 2026

...gale warning in effect until 8 pm edt this evening...

.this afternoon...ne winds 25 to 30 kt with gusts up to 50 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
patchy fog. showers with isolated tstms. vsby 1 to 3 nm. 
.tonight...n winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 5 to 10 kt after midnight. waves around 2 ft in the evening,
then 1 foot or less. at the outer harbor entrance, waves 3 to
5 ft. a chance of showers in the evening. 
.sun...nw winds 5 to 10 kt, becoming ne in the afternoon. waves
1 foot or less, except 2 to 4 ft at the outer harbor entrance. a
chance of showers in the afternoon. 
.sun night...s winds around 5 kt, becoming w after midnight.
waves 1 foot or less. a chance of showers. 
.mon...ne winds 5 to 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. a chance of showers. 
.mon night...e winds 5 to 10 kt, becoming n after midnight. waves
1 foot or less. 
.tue and tue night...ne winds 5 to 10 kt, becoming e 10 to 15 kt.
waves 1 foot or less. a chance of showers. 
.wed and wed night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming n 5 to 10 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 301405
cwfbox
expires:202605310300;;896308

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat may 30 2026

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


anz250-310300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt sat may 30 2026

...storm warning in effect until 8 pm edt this evening...

.this afternoon...ne winds 25 to 35 kt with gusts up to 50 kt.
seas 8 to 11 ft, building to 9 to 13 ft. wave detail: ne 11 ft at
7 seconds and w 3 ft at 5 seconds, becoming ne 13 ft at 8 seconds
and nw 5 ft at 10 seconds. patchy fog. showers with isolated
tstms. vsby 1 to 3 nm. 
.tonight...ne winds 20 to 25 kt with gusts up to 40 kt, becoming
n 10 to 15 kt with gusts up to 25 kt after midnight. seas 8 to
11 ft, subsiding to 5 to 8 ft after midnight. wave detail: ne
11 ft at 9 seconds and ne 6 ft at 3 seconds, becoming e 8 ft at
9 seconds and n 2 ft at 5 seconds. a chance of showers in the
evening. 
.sun...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
4 to 6 ft. wave detail: e 6 ft at 9 seconds and n 3 ft at
6 seconds. a chance of showers in the afternoon. 
.sun night...s winds around 5 kt, becoming w after midnight. seas
3 to 4 ft. wave detail: e 4 ft at 9 seconds and e 2 ft at
6 seconds. a chance of showers. 
.mon...ne winds 5 to 10 kt. seas around 3 ft. wave detail: ne
3 ft at 3 seconds and s 3 ft at 8 seconds. a chance of showers in
the morning. 
.mon night...e winds around 5 kt, becoming n after midnight. seas
2 to 3 ft. wave detail: ne 3 ft at 4 seconds and e 3 ft at
8 seconds. 
.tue and tue night...se winds 5 to 10 kt. seas 2 to 3 ft. 
.wed...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. 
.wed night...n winds 10 to 15 kt with gusts up to 20 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.

$$