fzus51 kbox 181404
cwfbox
expires:202603190300;;901922

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed mar 18 2026

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


anz230-190300-
boston harbor-
1004 am edt wed mar 18 2026

.this afternoon...nw winds 5 to 10 kt. waves 1 foot or less. 
.tonight...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. waves 1 foot or less. 
.thu...se winds 5 to 10 kt. waves 1 foot or less. 
.thu night...s winds 10 to 15 kt, becoming sw 5 to 10 kt after
midnight. waves around 2 ft in the evening, then 1 foot or less. 
.fri...sw winds 5 to 10 kt. waves 1 foot or less. 
.fri night...s winds 10 to 15 kt. waves 1 foot or less, then
around 2 ft after midnight. a chance of rain after midnight. 
.sat through sun night...nw winds 20 to 25 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 181404
cwfbox
expires:202603190300;;901923

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed mar 18 2026

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


anz236-190300-
narragansett bay-
1004 am edt wed mar 18 2026

.this afternoon...nw winds 5 to 10 kt, becoming s. waves 2 to
3 ft. 
.tonight...s winds 5 to 10 kt, diminishing to around 5 kt after
midnight. waves 2 to 3 ft. 
.thu...se winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. waves 2 to 3 ft. 
.thu night...s winds 5 to 10 kt. waves around 2 ft.
.fri...sw winds 5 to 10 kt. waves around 2 ft. 
.fri night...sw winds around 10 kt. waves around 2 ft. a chance
of rain after midnight. 
.sat...s winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of rain. 
.sat night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. a chance of rain. 
.sun night...nw winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. a chance of rain and 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.

$$