fzus51 kbox 220207
cwfbox
expires:202603221500;;086789

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 pm edt sat mar 21 2026

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


anz230-221500-
boston harbor-
1007 pm edt sat mar 21 2026

.overnight...n winds around 5 kt, becoming e. waves 1 foot or
less. 
.sun...se winds 5 to 10 kt with gusts up to 20 kt. waves around
2 ft. rain.
.sun night...n winds 5 to 10 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. waves around 2 ft. rain.
.mon...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. waves around 2 ft. a chance of snow
showers. a chance of rain in the morning. 
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. a chance of snow showers. 
.tue and tue night...sw winds 15 to 20 kt. waves around 2 ft. 
.wed and wed night...sw winds 15 to 20 kt with gusts up to 25 kt.
waves around 2 ft. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. a chance of rain. 
.thu night...sw winds 20 to 25 kt. waves around 2 ft. rain and
snow 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 220207
cwfbox
expires:202603221500;;086780

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 pm edt sat mar 21 2026

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


anz231-221500-
cape cod bay-
1007 pm edt sat mar 21 2026

.overnight...ne winds around 5 kt, becoming e. seas around 2 ft.
wave detail: se 2 ft at 8 seconds and n 1 foot at 4 seconds. 
.sun...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: s 2 ft at 3 seconds and se 2 ft at 8 seconds.
rain.
.sun night...sw winds 5 to 10 kt, becoming n 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 4 seconds and s 2 ft at 7 seconds. rain.
.mon...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: n 4 ft at 5 seconds and e 4 ft at 9 seconds. a
chance of rain in the morning, then a chance of snow showers in
the afternoon. 
.mon night...n winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: ne 5 ft at 9 seconds and n 4 ft at
5 seconds. a chance of snow showers. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
around 5 kt in the afternoon. seas 3 to 5 ft. wave detail: ne
4 ft at 9 seconds and n 3 ft at 5 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 2 to 3 ft. 
.wed and wed night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of rain. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 4 ft. rain and snow 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 220207
cwfbox
expires:202603221500;;086778

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 pm edt sat mar 21 2026

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


anz250-221500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1007 pm edt sat mar 21 2026

.overnight...n winds 5 to 10 kt, becoming ne. gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and n 1 foot at
4 seconds. 
.sun...se winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: se
4 ft at 5 seconds and se 3 ft at 8 seconds. a chance of rain in
the morning, then rain in the afternoon. 
.sun night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming n 20 to 25 kt with gusts up to 30 kt after midnight.
seas 3 to 5 ft. wave detail: n 4 ft at 4 seconds and s 4 ft at
5 seconds. rain.
.mon...n winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: e 7 ft at 8 seconds and ne 6 ft at 7 seconds.
a chance of snow showers. a chance of rain in the morning. 
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
6 to 7 ft. wave detail: ne 7 ft at 9 seconds and ne 2 ft at
5 seconds. a chance of snow showers 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. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 5 ft. 
.wed and wed night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. 
.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 20 to 25 kt with gusts up to 35 kt. seas
4 to 6 ft. rain and snow 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 kgyx 212104
cwfgyx
expires:202603221000;;076902

coastal waters forecast
national weather service gray me
503 pm edt sat mar 21 2026

coastal waters from stonington me to merrimack river ma out to 25 nm


anz154-221000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
503 pm edt sat mar 21 2026

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

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

$$