fzus51 kbox 180805
cwfbox
expires:202604182100;;570188

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat apr 18 2026

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


anz230-182100-
boston harbor-
404 am edt sat apr 18 2026

.today...ne winds 10 to 15 kt. waves 1 foot or less, then around
2 ft this afternoon. areas of fog. vsby 1 nm or less this
morning. 
.tonight...e winds 5 to 10 kt, becoming se after midnight. waves
1 foot or less. areas of fog in the evening, then patchy fog
after midnight. vsby 1 nm or less, increasing to 1 to 3 nm after
midnight. 
.sun...s winds 5 to 10 kt, becoming w 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 1 foot or less, then around 2 ft
in the afternoon. patchy fog. rain. vsby 1 to 3 nm. 
.sun night...nw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. waves around 2 ft. rain, mainly in the evening. 
.mon...w winds around 10 kt. waves 1 foot or less. 
.mon night...n winds 10 to 15 kt. waves 1 foot or less, then
around 2 ft after midnight. 
.tue through wed night...w winds 10 to 15 kt. waves around 2 ft. 

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 180805
cwfbox
expires:202604182100;;570189

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat apr 18 2026

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


anz236-182100-
narragansett bay-
404 am edt sat apr 18 2026

.today...ne winds around 10 kt. waves around 2 ft. areas of fog
this morning with vsby 1 to 3 nm. 
.tonight...e winds 5 to 10 kt, becoming s after midnight. waves
around 2 ft. patchy fog. vsby 1 to 3 nm. 
.sun...s winds 5 to 10 kt, becoming w 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves around 2 ft. patchy fog. rain.
vsby 1 to 3 nm. 
.sun night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves around 2 ft. rain, mainly in the evening. 
.mon...w winds around 10 kt. waves around 2 ft. 
.mon night...nw winds around 10 kt. waves around 2 ft. 
.tue through wed night...w winds 10 to 15 kt with gusts up to
20 kt. waves around 2 ft.  

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.

$$