fzus51 kbox 280503
cwfbox
expires:202609281800;;173711

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt mon sep 28 2026

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


anz230-281800-
boston harbor-
103 am edt mon sep 28 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...ne winds 20 to 25 kt with gusts up to 30 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
patchy fog. showers likely. vsby 1 nm or less. 
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. waves 2 to 3 ft, except 4 to 6 ft
at the outer harbor entrance. patchy fog. showers. vsby 1 nm or
less. 
.mon night...ne winds 15 to 20 kt with gusts up to 25 kt,
becoming n 10 to 15 kt after midnight. waves 2 to 3 ft. patchy
fog. showers, mainly in the evening. vsby 1 nm or less,
increasing to 1 to 3 nm after midnight. 
.tue...nw winds 5 to 10 kt. waves around 2 ft. patchy fog. 
.tue night...n winds around 5 kt. waves 1 foot or less. 
.wed and wed night...sw winds around 5 kt. waves 1 foot or less. 
.thu through fri night...nw winds 5 to 10 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 280503
cwfbox
expires:202609281800;;173700

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt mon sep 28 2026

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


anz250-281800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt mon sep 28 2026

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

.rest of tonight...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 7 to 9 ft. wave detail: e 9 ft at 9 seconds and se 6 ft at
8 seconds. patchy fog. showers likely with a slight chance of
tstms. vsby 1 nm or less. 
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 6 to 9 ft. wave detail: e 9 ft
at 9 seconds and se 2 ft at 7 seconds. patchy fog. showers. vsby
1 nm or less. 
.mon night...ne winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 5 to 7 ft. wave detail:
ne 7 ft at 8 seconds and se 2 ft at 7 seconds. patchy fog.
showers likely, mainly in the evening. vsby 1 nm or less,
increasing to 1 to 3 nm after midnight. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
5 ft. wave detail: ne 5 ft at 9 seconds and s 2 ft at 7 seconds.
patchy fog. vsby 1 to 3 nm in the morning. 
.tue night and wed...nw winds around 5 kt. seas 3 to 5 ft. wave
detail: e 4 ft at 9 seconds and se 1 foot at 7 seconds. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 9 seconds and s 1 foot at 6 seconds. 
.thu through fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.fri night...nw winds around 10 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.

$$