fzus51 kbox 200804
cwfbox
expires:202609202100;;754318

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sun sep 20 2026

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


anz230-202100-
boston harbor-
403 am edt sun sep 20 2026

.today...se winds 5 to 10 kt. waves 1 foot or less, then around
2 ft this afternoon. patchy fog this afternoon. showers this
afternoon with vsby 1 to 3 nm. 
.tonight...se winds 5 to 10 kt, becoming ne 15 to 20 kt after
midnight. waves around 2 ft. patchy fog. showers. vsby 1 to 3 nm.
.mon...n winds 15 to 20 kt, becoming ne 10 to 15 kt in the
afternoon. waves 2 to 3 ft. 
.mon night...ne winds 5 to 10 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. waves 1 foot or less, then 2 to
3 ft after midnight. 
.tue and tue night...ne winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.wed through thu...ne winds 20 to 25 kt with gusts up to 35 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. 
.thu night...ne winds 25 to 30 kt with gusts up to 35 kt. waves
2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. 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 200804
cwfbox
expires:202609202100;;754307

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sun sep 20 2026

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


anz250-202100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am edt sun sep 20 2026

.today...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 2 ft
at 4 seconds and se 2 ft at 10 seconds. patchy fog this
afternoon. showers likely this afternoon. 
.tonight...e winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas 2 to 3 ft. wave detail: s 2 ft at 4 seconds and se 1 foot at
10 seconds. patchy fog. showers likely. vsby 1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: ne 4 ft at 4 seconds and se 2 ft at 9 seconds.
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail:
ne 4 ft at 5 seconds and se 2 ft at 9 seconds. 
.tue and tue night...ne winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: e 5 ft at 7 seconds and e 5 ft at
14 seconds. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: e 7 ft at 9 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. 
.thu...ne winds 25 to 30 kt with gusts up to 40 kt. seas 8 to
11 ft. 
.thu night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
10 to 14 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.

$$