fzus51 kbox 181705
cwfbox
expires:202604190600;;588957

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

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


anz230-190600-
boston harbor-
104 pm edt sat apr 18 2026

.this afternoon...ne winds around 10 kt. waves around 2 ft.
patchy fog. vsby 1 to 3 nm. 
.tonight...e winds 5 to 10 kt, becoming se after midnight. waves
1 foot or less. patchy fog. patchy drizzle after midnight. vsby
1 to 3 nm, decreasing to 1 nm or less after midnight. 
.sun...se winds 5 to 10 kt, becoming nw 15 to 20 kt with gusts up
to 25 kt in the afternoon. waves 1 foot or less, then around 2 ft
in the afternoon. patchy fog. showers. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.sun night...nw winds 15 to 20 kt with gusts up to 25 kt,
becoming w 10 to 15 kt after midnight. waves around 2 ft. a
chance of showers 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 181705
cwfbox
expires:202604190600;;588958

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

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


anz236-190600-
narragansett bay-
104 pm edt sat apr 18 2026

.this afternoon...ne winds around 10 kt. waves around 2 ft. 
.tonight...e winds 5 to 10 kt, becoming s after midnight. waves
around 2 ft. patchy fog. patchy drizzle after midnight. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.sun...s winds 5 to 10 kt, becoming nw 10 to 15 kt in the
afternoon. gusts up to 20 kt. waves 2 to 3 ft. patchy fog.
showers. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.sun night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. waves around 2 ft. a chance
of showers in the evening. 
.mon...w winds 5 to 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.

$$