fzus51 kbox 220504
cwfbox
expires:202607221800;;389402

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz230-221800-
boston harbor-
104 am edt wed jul 22 2026

.rest of tonight...s winds around 15 kt with gusts up to 20 kt.
waves around 2 ft. patchy fog. showers likely with a chance of
tstms. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. showers with a chance of tstms in the morning, then a
chance of showers in the afternoon. patchy fog in the morning. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. waves around 2 ft in the
evening, then 1 foot or less. a chance of showers in the evening.
.thu...nw winds 5 to 10 kt, becoming ne in the afternoon. waves
1 foot or less. 
.thu night...s winds 5 to 10 kt, becoming sw after midnight.
waves 1 foot or less. 
.fri and fri night...sw winds 5 to 10 kt. waves 1 foot or less. 
.sat through sun night...s winds 5 to 10 kt. waves around 2 ft.  

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.

$$

fzus51 kbox 220504
cwfbox
expires:202607221800;;389391

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz250-221800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt wed jul 22 2026

...small craft advisory in effect through this evening...

.rest of tonight...s winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: s 4 ft at 6 seconds. patchy fog.
showers likely with a chance of tstms. vsby 1 nm or less. 
.wed...s winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 5 ft at 8 seconds and se 5 ft at 8 seconds.
patchy fog in the morning. showers with a chance of tstms in the
morning with vsby 1 to 3 nm. 
.wed night...sw winds 10 to 15 kt with gusts up to 25 kt,
becoming w after midnight. seas 3 to 5 ft. wave detail: s 5 ft at
8 seconds and se 4 ft at 10 seconds. 
.thu...nw winds 5 to 10 kt, becoming e in the afternoon. seas
2 to 4 ft. wave detail: se 3 ft at 8 seconds and e 2 ft at
10 seconds. 
.thu night...s winds around 5 kt, becoming sw after midnight.
seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and nw 1 foot
at 3 seconds. 
.fri and fri night...s winds around 5 kt. seas 2 to 3 ft. wave
detail: se 2 ft at 7 seconds and s 1 foot at 2 seconds. 
.sat through sun night...s winds 5 to 10 kt. seas 2 to 3 ft.  

winds and seas 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.

$$