fzus51 kbox 291704
cwfbox
expires:202607300600;;285329

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed jul 29 2026

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


anz230-300600-
boston harbor-
104 pm edt wed jul 29 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...e winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. patchy fog. showers with a chance of tstms. vsby
1 nm or less. 
.tonight...e winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. waves 2 to 3 ft.
patchy fog. showers. a chance of tstms in the evening. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. patchy fog. showers likely, mainly in the morning. vsby
1 nm or less, increasing to 1 to 3 nm in the afternoon. 
.thu night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves around 2 ft in the evening, then 1 foot or less.
patchy fog. a chance of showers in the evening with vsby 1 to
3 nm. 
.fri...n winds 5 to 10 kt, becoming ne in the afternoon. waves
1 foot or less. 
.fri night...se winds around 5 kt, becoming sw after midnight.
waves 1 foot or less. 
.sat through sun...s winds 5 to 10 kt. waves around 2 ft. 
.sun night...s winds 5 to 10 kt. waves 1 foot or less. a chance
of showers.  

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 291704
cwfbox
expires:202607300600;;285318

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed jul 29 2026

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


anz250-300600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt wed jul 29 2026

...small craft advisory in effect through thursday morning...

.this afternoon...e winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: se 4 ft at 5 seconds and e 1 foot at
8 seconds. patchy fog. showers likely with a slight chance of
tstms. vsby 1 to 3 nm. 
.tonight...e winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: se 4 ft at 6 seconds and s 1 foot at
4 seconds. patchy fog. showers likely. vsby 1 nm or less. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: e 4 ft at 7 seconds and se 3 ft at 11 seconds.
patchy fog. a chance of showers. vsby 1 nm or less in the
morning. 
.thu night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: ne 4 ft at 6 seconds and se
3 ft at 9 seconds. patchy fog. a chance of showers in the
evening. 
.fri...n winds 5 to 10 kt. seas 3 to 4 ft. wave detail: ne 3 ft
at 6 seconds and s 3 ft at 9 seconds. 
.fri night...sw winds around 5 kt. seas 2 to 4 ft. wave detail:
se 3 ft at 9 seconds and ne 2 ft at 5 seconds. 
.sat through sun...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers.  

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.

$$