fzus51 kbox 152048
cwfbox
expires:202603161000;;737464

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

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


anz230-161000-
boston harbor-
448 pm edt sun mar 15 2026

...storm warning in effect from monday evening through late
monday night...

.tonight...se winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft. a chance of showers
after midnight. 
.mon...se winds 20 to 25 kt with gusts up to 30 kt. waves 2 to
3 ft. patchy fog. showers. vsby 1 nm or less, increasing to 1 to
3 nm in the afternoon. 
.mon night...s winds 25 to 35 kt. gusts up to 45 kt, increasing
to 55 kt after midnight. waves around 2 ft, except 3 to 5 ft at
the outer harbor entrance. patchy fog. showers. vsby 1 to 3 nm. 
.tue...w winds 20 to 25 kt with gusts up to 30 kt. waves around
2 ft, except 3 to 5 ft at the outer harbor entrance. patchy fog
in the morning. showers likely in the morning. 
.tue night and wed...w winds 20 to 25 kt with gusts up to 30 kt.
waves around 2 ft. 
.wed night...s winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.thu through fri...sw winds 10 to 15 kt. waves around 2 ft. 
.fri night...sw winds 15 to 20 kt. waves around 2 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 152048
cwfbox
expires:202603161000;;737465

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

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


anz236-161000-
narragansett bay-
448 pm edt sun mar 15 2026

...storm warning in effect from monday evening through late
monday night...

.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. showers likely after
midnight with vsby 1 to 3 nm. 
.mon...se winds 25 to 30 kt, becoming s 20 to 25 kt in the
afternoon. waves 5 to 7 ft. patchy fog in the morning. areas of
dense fog in the afternoon. showers. a chance of tstms in the
morning. vsby 1 nm or less. 
.mon night...s winds 25 to 35 kt. gusts up to 45 kt, increasing
to 55 kt after midnight. waves 6 to 9 ft. at the bay entrance,
waves 8 to 11 ft, building to 9 to 13 ft after midnight. areas of
dense fog in the evening. areas of fog after midnight. showers.
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. patchy fog in the morning. showers likely
in the morning. 
.tue night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. waves 4 to 6 ft, subsiding to
2 to 3 ft after midnight. at the bay entrance, waves 4 to 6 ft. 
.wed and wed night...s winds 5 to 10 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.thu through fri...sw winds 5 to 10 kt. waves around 2 ft. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. a chance of rain.  

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.

$$