fzus51 kbox 200504
cwfbox
expires:202609201800;;745889

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

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


anz230-201800-
boston harbor-
104 am edt sun sep 20 2026

.rest of tonight...s winds around 5 kt. waves 1 foot or less. 
.sun...se winds 5 to 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. patchy fog in the afternoon. showers in
the afternoon with vsby 1 to 3 nm. 
.sun night...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 around 2 ft. 
.mon night through 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 30 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. 
.thu night...ne winds 20 to 25 kt with gusts up to 30 kt. waves
2 to 3 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.

$$

fzus51 kbox 200504
cwfbox
expires:202609201800;;745880

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

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


anz231-201800-
cape cod bay-
104 am edt sun sep 20 2026

.rest of tonight...se winds around 5 kt. seas around 2 ft. wave
detail: e 1 foot at 3 seconds and n 1 foot at 5 seconds. 
.sun...se winds 5 to 10 kt. seas around 2 ft. wave detail: se
1 foot at 3 seconds and nw 1 foot at 4 seconds. patchy fog in the
afternoon. showers likely in the afternoon. 
.sun night...e winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 4 ft. wave detail: e 2 ft at 12 seconds and
se 1 foot at 3 seconds. patchy fog. showers. vsby 1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: ne 3 ft at 4 seconds and w 3 ft at 4 seconds.
patchy fog in the morning. a chance of showers in the morning
with vsby 1 to 3 nm. 
.mon night through tue night...ne winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 4 ft. wave detail: n 3 ft at 5 seconds and e
3 ft at 8 seconds. 
.wed and wed night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: e 5 ft at 10 seconds and ne 4 ft at
4 seconds. 
.thu and thu night...ne winds 25 to 30 kt with gusts up to 40 kt.
seas 4 to 6 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.

$$

fzus51 kbox 200504
cwfbox
expires:202609201800;;745878

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

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


anz250-201800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt sun sep 20 2026

.rest of tonight...se winds around 5 kt. seas around 2 ft. wave
detail: s 1 foot at 2 seconds and ne 1 foot at 5 seconds. 
.sun...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 2 ft
at 3 seconds and e 2 ft at 4 seconds. patchy fog in the
afternoon. showers likely in the afternoon. 
.sun night...e winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: se 3 ft at 4 seconds and
se 2 ft at 11 seconds. patchy fog. showers. vsby 1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 4 seconds and ne 4 ft at 5 seconds.
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 2 to 4 ft. wave detail: n 3 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 25 kt.
seas 4 to 5 ft. wave detail: se 5 ft at 8 seconds and n 4 ft at
5 seconds. 
.wed through thu...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 8 ft. 
.thu night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 8 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.

$$

fzus51 kgyx 200643
cwfgyx
expires:202609202045;;751517

coastal waters forecast
national weather service gray me
243 am edt sun sep 20 2026

coastal waters from stonington me to merrimack river ma out to 60 nm


anz154-202045-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
243 am edt sun sep 20 2026

.rest of tonight...s winds 5 to 10 kt. seas around 2 ft. 
.sun...s winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft at
3 seconds. a chance of showers in the afternoon with vsby 1 to 3 nm.
.sun night...e winds 5 to 10 kt, becoming ne 10 to 15 kt with gusts
up to 20 kt after midnight. seas 2 to 3 ft. wave detail: se 2 ft at
4 seconds. rain. vsby 1 to 3 nm. 
.mon...n winds 10 to 15 kt, becoming ne 5 to 10 kt in the afternoon.
seas 2 to 3 ft. wave detail: ne 3 ft at 4 seconds and se 2 ft at
5 seconds. 
.mon night...ne winds 5 to 10 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: ne 3 ft at 5 seconds and se
2 ft at 9 seconds. 
.tue...ne winds 10 to 15 kt with gusts up to 25 kt. seas 3 to 4 ft.
wave detail: ne 3 ft at 5 seconds and se 2 ft at 8 seconds. 
.tue night...ne winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. gusts up to 25 kt. seas around 3 ft. 
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. seas 3 to 5 ft. 
.wed night...ne winds 10 to 15 kt with gusts up to 25 kt. seas 5 to
7 ft. 
.thu...ne winds 15 to 20 kt with gusts up to 30 kt. seas 6 to 9 ft. 
.thu night...ne winds 10 to 15 kt with gusts up to 25 kt, increasing
to 15 to 20 kt with gusts up to 35 kt after midnight. seas 8 to
10 ft. a chance of showers after midnight.  

$$