fzus51 kbox 210503
cwfbox
expires:202609211800;;799149

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt mon sep 21 2026

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


anz230-211800-
boston harbor-
103 am edt mon sep 21 2026

.rest of tonight...n winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. patchy fog. showers likely. vsby 1 to 3 nm. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.mon night...ne winds 5 to 10 kt, increasing to 15 to 20 kt after
midnight. waves 1 foot or less, then 2 to 3 ft after midnight. 
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.tue night through wed night...ne winds 15 to 20 kt with gusts up
to 30 kt. waves 2 to 3 ft. 
.thu and thu night...ne winds 20 to 25 kt, diminishing to 15 to
20 kt. gusts up to 30 kt. waves 2 to 3 ft, except 4 to 6 ft at
the outer harbor entrance. 
.fri and fri night...ne winds 25 to 30 kt with gusts up to 35 kt.
waves 2 to 3 ft, except 5 to 7 ft at the outer harbor entrance. 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 210503
cwfbox
expires:202609211800;;799150

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt mon sep 21 2026

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


anz236-211800-
narragansett bay-
103 am edt mon sep 21 2026

.rest of tonight...ne winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. patchy fog. showers. vsby 1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. patchy fog in the morning. 
.mon night...ne winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.tue night through wed night...ne winds 15 to 20 kt with gusts up
to 30 kt. waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. 
.thu...ne winds 20 to 25 kt with gusts up to 35 kt. waves around
3 ft, except 4 to 6 ft at the bay entrance. 
.thu night through fri night...n winds 25 to 30 kt with gusts up
to 40 kt. waves 2 to 3 ft, except 4 to 6 ft at the bay entrance.
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.

$$