fzus51 kbox 301705
cwfbox
expires:202605310600;;902047

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

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


anz230-310600-
boston harbor-
105 pm 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 40 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
patchy fog. showers. vsby 1 to 3 nm. 
.tonight...ne winds 20 to 25 kt with gusts up to 30 kt, becoming
n 5 to 10 kt after midnight. waves 2 to 3 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 se 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.  

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 301705
cwfbox
expires:202605310600;;902036

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

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


anz250-310600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm 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 40 kt.
seas 9 to 13 ft. wave detail: ne 13 ft at 8 seconds and nw 5 ft
at 10 seconds. patchy fog. showers. vsby 1 to 3 nm. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt, becoming
n 10 to 15 kt with gusts up to 20 kt after midnight. seas 8 to
11 ft, subsiding to 6 to 9 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
5 to 7 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...sw winds around 5 kt. seas 3 to 5 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.  

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.

$$