fzus51 kbox 302004
cwfbox
expires:202603310900;;554032

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon mar 30 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz230-310900-
boston harbor-
403 pm edt mon mar 30 2026

...small craft advisory in effect until 8 pm edt this evening...

.tonight...sw winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. waves around 2 ft. a chance of showers after midnight. 
.tue...sw winds around 10 kt, becoming n in the afternoon. waves
1 foot or less. showers likely in the morning. a chance of
showers in the afternoon. 
.tue night...e winds 10 to 15 kt, becoming s 15 to 20 kt with
gusts up to 25 kt after midnight. waves 1 foot or less, then
around 2 ft after midnight. a chance of showers. 
.wed...sw winds 15 to 20 kt, becoming w in the afternoon. gusts
up to 25 kt. waves around 2 ft. a chance of showers in the
morning, then showers likely in the afternoon. 
.wed night...ne winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. showers likely, mainly in the evening. 
.thu...ne winds 15 to 20 kt. waves 2 to 3 ft. a chance of
showers. 
.thu night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves 2 to 3 ft. a chance of rain. 
.fri and fri night...s winds 10 to 15 kt, becoming sw 15 to
20 kt. waves around 2 ft. a chance of rain. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.sat night...e winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 4 ft. a chance of rain.  

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 302004
cwfbox
expires:202603310900;;554021

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon mar 30 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-310900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt mon mar 30 2026

...small craft advisory in effect until 11 pm edt this evening...

.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 4 ft at 5 seconds and e 1 foot at
8 seconds. a chance of showers after midnight. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 5 seconds and e 1 foot at
8 seconds. showers likely in the morning. a chance of showers in
the afternoon. 
.tue night...e winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. seas 2 to 4 ft, building to 4 to
6 ft after midnight. wave detail: s 3 ft at 6 seconds and ne 2 ft
at 5 seconds, becoming s 4 ft at 6 seconds and ne 2 ft at
6 seconds. a chance of showers. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 5 seconds and ne 2 ft at 6 seconds.
a chance of showers in the morning, then showers likely in the
afternoon. 
.wed night...ne winds 15 to 20 kt. seas 3 to 5 ft. wave detail:
ne 4 ft at 6 seconds and s 3 ft at 6 seconds. showers likely,
mainly in the evening. 
.thu...ne winds 15 to 20 kt. seas 3 to 5 ft. wave detail: ne 5 ft
at 6 seconds and s 2 ft at 7 seconds. a chance of showers. 
.thu night...e winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. a chance of rain. 
.fri and fri night...s winds 10 to 15 kt, becoming sw 15 to
20 kt. gusts up to 25 kt. seas 3 to 4 ft. a chance of rain. 
.sat...n winds 15 to 20 kt. seas 3 to 5 ft. 
.sat night...e winds 15 to 20 kt. seas 4 to 5 ft. a chance of
rain.  

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.

$$