fzus51 kbox 202003
cwfbox
expires:202605210900;;363021

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026

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


anz230-210900-
boston harbor-
403 pm edt wed may 20 2026

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

.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. waves around 2 ft this evening, then 1 foot or
less. a slight chance of showers. 
.thu...n winds 5 to 10 kt, becoming e in the afternoon. waves
1 foot or less. 
.thu night...se winds 5 to 10 kt, becoming n after midnight.
waves 1 foot or less. 
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. waves
1 foot or less. 
.fri night...s winds 5 to 10 kt, becoming w after midnight. waves
1 foot or less. 
.sat...ne winds around 5 kt, becoming e in the afternoon. waves
1 foot or less. 
.sat night...se winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight.
a chance of showers in the evening, then showers likely after
midnight. 
.sun...e winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. showers likely. 
.sun night through mon night...w winds 10 to 15 kt with gusts up
to 20 kt. waves around 2 ft. a chance of showers.  

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 202003
cwfbox
expires:202605210900;;363022

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026

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


anz236-210900-
narragansett bay-
403 pm edt wed may 20 2026

.tonight...w winds 5 to 10 kt with gusts up to 20 kt, becoming n
after midnight. waves 2 to 3 ft. a chance of showers. a chance of
tstms this evening. 
.thu...ne winds around 10 kt, becoming se in the afternoon. waves
around 2 ft. a chance of showers in the morning. 
.thu night...s winds around 5 kt, becoming nw after midnight.
waves around 2 ft. 
.fri...ne winds around 10 kt, becoming se in the afternoon. waves
around 2 ft. 
.fri night...s winds 5 to 10 kt, diminishing to around 5 kt after
midnight. waves around 2 ft in the evening, then 1 foot or less. 
.sat...e winds 5 to 10 kt, becoming se in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. a chance of
showers in the afternoon. 
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. waves 2 to 3 ft. showers
likely. 
.sun...e winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
4 ft. showers likely. 
.sun night through mon night...w winds 5 to 10 kt. waves 2 to
3 ft. a chance of showers.  

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.

$$