fzus51 kbox 300805
cwfbox
expires:202605302100;;883764

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

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


anz230-302100-
boston harbor-
405 am edt sat may 30 2026

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

.today...n 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. a slight chance of tstms this morning. 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. 
.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 300805
cwfbox
expires:202605302100;;883753

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

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


anz250-302100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt sat may 30 2026

...storm warning in effect through this evening...

.today...ne winds 30 to 35 kt, becoming 25 to 35 kt this
afternoon. gusts up to 50 kt. seas 7 to 10 ft, building to 9 to
13 ft this afternoon. wave detail: ne 10 ft at 9 seconds and se
9 ft at 7 seconds, becoming ne 13 ft at 8 seconds and nw 5 ft at
10 seconds. patchy fog. a chance of showers with a slight chance
of tstms this morning. showers this afternoon. 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.

$$