fzus51 kbox 221707
cwfbox
expires:202603230600;;119946

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz230-230600-
boston harbor-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 10 to 15 kt with gusts up to 25 kt.
waves around 2 ft. patchy fog. rain. vsby 1 to 3 nm. 
.tonight...w winds 5 to 10 kt, becoming n 15 to 20 kt after
midnight. gusts up to 25 kt. waves around 2 ft. rain. snow with a
chance of sleet after midnight. patchy fog in the evening. vsby
1 to 3 nm. 
.mon...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 30 kt. waves around 2 ft. snow, a chance
of sleet and rain in the morning, then snow showers likely in the
afternoon. 
.mon night...n winds 5 to 10 kt with gusts up to 20 kt. waves
around 2 ft. snow showers likely in the evening. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. 
.wed night and thu...sw winds 15 to 20 kt, becoming s 10 to
15 kt. waves around 2 ft. a chance of rain. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. waves
around 2 ft. rain likely.  

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 221707
cwfbox
expires:202603230600;;119935

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz250-230600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: s 4 ft at 5 seconds and se 2 ft at
8 seconds. patchy fog. rain. vsby 1 nm or less. 
.tonight...w winds 10 to 15 kt, becoming n 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: ne 5 ft
at 4 seconds and s 4 ft at 5 seconds. rain. patchy fog in the
evening. vsby 1 nm or less. 
.mon...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: ne 7 ft at 7 seconds and se 3 ft at 9 seconds.
rain with snow with possible sleet in the morning, then a chance
of snow showers in the afternoon. 
.mon night...n winds 15 to 20 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 6 to 8 ft. wave detail: ne 7 ft at
8 seconds. snow showers likely in the evening. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: ne 7 ft
at 9 seconds and ne 1 foot at 5 seconds. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: e 5 ft at 9 seconds and sw 3 ft at
4 seconds. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.wed night...sw winds 15 to 20 kt. seas 2 to 4 ft. a chance of
rain. 
.thu...s winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of rain. 
.thu night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. rain likely with a chance of snow.  

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.

$$