fzus51 kbox 150804
cwfbox
expires:202603152100;;704274

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun mar 15 2026

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


anz235-152100-
rhode island sound-
404 am edt sun mar 15 2026

...storm watch in effect from monday afternoon through tuesday
morning...

.today...n winds 5 to 10 kt, becoming se this afternoon. seas
2 to 3 ft. wave detail: sw 3 ft at 7 seconds and se 1 foot at
8 seconds. 
.tonight...se winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. seas 2 to 3 ft, building to
3 to 5 ft after midnight. wave detail: se 3 ft at 5 seconds and
se 1 foot at 10 seconds, becoming se 5 ft at 5 seconds and se
5 ft at 10 seconds. a chance of rain after midnight. 
.mon...s winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft, building to 9 to 12 ft in the afternoon. wave detail: se
9 ft at 8 seconds and se 3 ft at 5 seconds, becoming s 12 ft at
9 seconds and s 2 ft at 4 seconds. patchy fog in the morning.
areas of dense fog in the afternoon. rain with a chance of tstms.
vsby 1 nm or less. 
.mon night...s winds 30 to 40 kt with gusts up to 50 kt. seas
10 to 14 ft, building to 12 to 17 ft after midnight. wave detail:
s 14 ft at 10 seconds and s 2 ft at 4 seconds, becoming s 17 ft
at 11 seconds and sw 2 ft at 5 seconds. rain. areas of dense fog
in the evening with vsby 1 nm or less. 
.tue...w winds 25 to 30 kt with gusts up to 35 kt. seas 9 to
13 ft, subsiding to 8 to 11 ft in the afternoon. wave detail: s
13 ft at 11 seconds and w 3 ft at 6 seconds, becoming s 11 ft at
11 seconds and w 3 ft at 5 seconds. a chance of rain in the
morning. 
.tue night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 7 to 10 ft, subsiding to 5 to 7 ft after
midnight. wave detail: s 10 ft at 10 seconds and w 4 ft at
6 seconds, becoming s 7 ft at 10 seconds and w 4 ft at 5 seconds.
.wed...w winds 15 to 20 kt. seas 4 to 6 ft. 
.wed night through thu night...se winds around 10 kt. seas 2 to
4 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.

$$

fzus51 kbox 150804
cwfbox
expires:202603152100;;704277

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun mar 15 2026

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


anz236-152100-
narragansett bay-
404 am edt sun mar 15 2026

...storm watch in effect from monday afternoon through tuesday
morning...

.today...n winds 5 to 10 kt, becoming se this afternoon. waves
around 2 ft. 
.tonight...se winds 10 to 15 kt with gusts up to 20 kt,
increasing to 20 to 25 kt with gusts up to 30 kt after midnight.
waves 2 to 4 ft. patchy fog after midnight. a chance of rain
after midnight with vsby 1 to 3 nm. 
.mon...s winds 25 to 30 kt with gusts up to 35 kt. waves 5 to
7 ft. patchy fog in the morning. areas of dense fog in the
afternoon. rain. a chance of tstms in the afternoon. vsby 1 nm or
less. 
.mon night...s winds 25 to 35 kt with gusts up to 55 kt. waves
6 to 9 ft. at the bay entrance, waves 8 to 11 ft, building to
9 to 13 ft after midnight. rain. areas of dense fog in the
evening with vsby 1 nm or less. 
.tue...w winds 20 to 25 kt with gusts up to 35 kt. waves 5 to
7 ft. at the bay entrance, waves 7 to 10 ft, subsiding to 6 to
8 ft in the afternoon. a chance of rain in the morning. 
.tue night...w winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 ft, subsiding to 2 to 3 ft after midnight. at the bay
entrance, waves 4 to 6 ft. 
.wed through thu night...s winds 5 to 10 kt. waves 2 to 3 ft.  

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.

$$