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

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


anz230-282100-
boston harbor-
405 am edt mon sep 28 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...ne winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. waves 2 to 3 ft. patchy fog.
showers. vsby 1 nm or less. 
.tonight...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 in the morning,
then 1 foot or less. patchy fog. 
.tue night...n winds around 5 kt. waves 1 foot or less. 
.wed...nw winds around 5 kt, becoming se in the afternoon. waves
1 foot or less. 
.wed night...s winds around 5 kt. waves 1 foot or less. 
.thu through fri night...nw 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 280805
cwfbox
expires:202609282100;;182139

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

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


anz250-282100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt mon sep 28 2026

...small craft advisory in effect through late tonight...

.today...ne winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 6 to 9 ft. wave detail: e 9 ft
at 8 seconds and se 2 ft at 8 seconds. patchy fog. showers. vsby
1 nm or less. 
.tonight...ne winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 25 kt. seas 5 to 7 ft, subsiding to 4 to
5 ft after midnight. wave detail: ne 7 ft at 7 seconds and se
2 ft at 8 seconds, becoming n 5 ft at 7 seconds and se 2 ft at
8 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: e 5 ft at 9 seconds and n 3 ft at 6 seconds.
patchy fog. vsby 1 to 3 nm in the morning. 
.tue night...n winds around 5 kt. seas 3 to 4 ft. wave detail: e
3 ft at 9 seconds and w 2 ft at 4 seconds. 
.wed...n winds around 5 kt. seas 3 to 4 ft. wave detail: e 3 ft
at 9 seconds and ne 1 foot at 5 seconds. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 9 seconds and nw 1 foot at 3 seconds. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 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.

$$