fzus51 kbox 300505
cwfbox
expires:202605301800;;875440

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

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


anz230-301800-
boston harbor-
105 am edt sat may 30 2026

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

.rest of tonight...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. showers with a slight chance of tstms. 
.sat...n winds 25 to 30 kt with gusts up to 50 kt. waves around
2 ft, except 4 to 6 ft at the outer harbor entrance. patchy fog.
showers. vsby 1 to 3 nm. 
.sat night...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 5 to 10 kt, becoming sw after midnight.
waves 1 foot or less. a chance of showers. 
.mon and mon night...ne winds 10 to 15 kt. waves around 2 ft. a
chance of showers. 
.tue through wed...ne winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. a chance of showers. 
.wed night...n winds 5 to 10 kt. waves 1 foot or less.  

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 300505
cwfbox
expires:202605301800;;875429

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

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


anz250-301800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 am edt sat may 30 2026

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

.rest of tonight...se winds 20 to 25 kt with gusts up to 35 kt.
seas 3 to 5 ft. wave detail: s 3 ft at 5 seconds and e 2 ft at
9 seconds. patchy fog. showers with a slight chance of tstms.
vsby 1 to 3 nm. 
.sat...ne winds 30 to 35 kt, becoming 25 to 35 kt in the
afternoon. gusts up to 50 kt. seas 6 to 9 ft, building to 9 to
12 ft in the afternoon. wave detail: se 9 ft at 7 seconds and ne
9 ft at 9 seconds, becoming ne 12 ft at 8 seconds and nw 5 ft at
10 seconds. patchy fog. a chance of showers in the morning.
showers in the afternoon. vsby 1 to 3 nm. 
.sat night...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 9 to 12 ft, subsiding to 6 to 8 ft after midnight. wave
detail: ne 12 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 5 to 10 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 3 to 4 ft. wave detail: s 4 ft
at 8 seconds and ne 3 ft at 3 seconds. a chance of showers. 
.mon night...ne winds 5 to 10 kt. seas 2 to 3 ft. 
.tue...ne winds 5 to 10 kt. seas 2 to 4 ft. a chance of showers. 
.tue night...ne winds 10 to 15 kt. seas 4 to 6 ft. a chance of
showers. 
.wed...ne winds 10 to 15 kt with gusts up to 20 kt. seas 5 to
7 ft. a chance of showers. 
.wed night...n winds 5 to 10 kt. seas 4 to 6 ft. a chance of
showers.  

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.

$$