fzus51 kbox 180504
cwfbox
expires:202605181800;;747814

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon may 18 2026

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


anz235-181800-
rhode island sound-
104 am edt mon may 18 2026

.rest of tonight...n winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: sw 4 ft at 7 seconds and s 4 ft at 8 seconds. 
.mon...e winds around 10 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: s 3 ft at 7 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds.
patchy fog. vsby 1 nm or less. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 6 seconds and se 2 ft at 9 seconds.
patchy fog in the morning with vsby 1 nm or less. 
.tue night...sw winds around 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: s 5 ft at 7 seconds. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and se 5 ft at 9 seconds.
a chance of showers in the afternoon. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. seas 3 to 5 ft. a chance of
showers. 
.thu and thu night...ne winds 10 to 15 kt, becoming se 5 to
10 kt. seas 2 to 4 ft. 
.fri...e winds around 10 kt. seas around 2 ft. 
.fri night...se winds 5 to 10 kt. seas 2 to 3 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 180504
cwfbox
expires:202605181800;;747817

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon may 18 2026

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


anz236-181800-
narragansett bay-
104 am edt mon may 18 2026

.rest of tonight...n winds 5 to 10 kt. waves around 2 ft. 
.mon...e winds 5 to 10 kt, becoming se in the afternoon. waves
around 2 ft. 
.mon night...s winds around 10 kt. waves around 2 ft. patchy fog
after midnight with vsby 1 nm or less. 
.tue...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 3 ft. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. 
.wed and wed night...nw winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 4 ft. a chance of showers through the night. 
.thu through fri...e winds 10 to 15 kt. waves around 2 ft. 
.fri night...se winds 5 to 10 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.

$$