fzus51 kbox 201404
cwfbox
expires:202606210300;;071875

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt sat jun 20 2026

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


anz230-210300-
boston harbor-
1004 am edt sat jun 20 2026

...small craft advisory in effect until 7 pm edt this evening...

.this afternoon...w winds 15 to 20 kt with gusts up to 25 kt.
waves around 2 ft. a slight chance of showers and tstms. 
.tonight...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves around 2 ft in
the evening, then 1 foot or less. 
.sun...w winds 5 to 10 kt, becoming s in the afternoon. waves
1 foot or less. 
.sun night...sw winds around 5 kt. waves 1 foot or less. 
.mon and mon night...s winds 15 to 20 kt. waves 2 to 3 ft. a
chance of showers in the morning, then showers. 
.tue...nw winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.tue night through wed night...sw 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 201404
cwfbox
expires:202606210300;;071864

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt sat jun 20 2026

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


anz250-210300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 am edt sat jun 20 2026

...small craft advisory in effect until 4 pm edt this afternoon...

.this afternoon...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: w 3 ft at 4 seconds and se 2 ft at
8 seconds. a slight chance of showers. 
.tonight...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
seas around 2 ft. wave detail: w 2 ft at 4 seconds and n 2 ft at
5 seconds. 
.sun...w winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 9 seconds and w 1 foot at
3 seconds. 
.sun night...w winds around 5 kt. seas around 2 ft. wave detail:
ne 2 ft at 3 seconds and sw 1 foot at 2 seconds. 
.mon...sw winds around 5 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: nw 1 foot at 2 seconds and e
1 foot at 4 seconds, becoming w 1 foot at 2 seconds and se 1 foot
at 7 seconds. showers likely in the afternoon. 
.mon night...se winds 15 to 20 kt with gusts up to 30 kt. seas
2 to 4 ft. wave detail: s 4 ft at 5 seconds. showers. a chance of
tstms in the evening. 
.tue...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. a chance of showers. 
.tue night through wed night...s winds 5 to 10 kt. seas 2 to
3 ft.  

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.

$$