fzus51 kbox 170504
cwfbox
expires:202609171800;;581621

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu sep 17 2026

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


anz230-171800-
boston harbor-
104 am edt thu sep 17 2026

.rest of tonight...sw winds around 5 kt. waves 1 foot or less. 
.thu...s winds around 5 kt, becoming se in the afternoon. waves
1 foot or less. 
.thu night...s winds 5 to 10 kt, becoming sw after midnight.
waves 1 foot or less. patchy fog. showers likely.
.fri...nw winds 5 to 10 kt. waves around 2 ft. 
.fri night...n winds 10 to 15 kt. waves around 2 ft. 
.sat and sat night...s winds 5 to 10 kt. waves 1 foot or less. 
.sun and sun night...s winds 5 to 10 kt with gusts up to 20 kt,
becoming n 10 to 15 kt. waves around 2 ft. showers likely. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.mon night...e winds 10 to 15 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 170504
cwfbox
expires:202609171800;;581612

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu sep 17 2026

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


anz231-171800-
cape cod bay-
104 am edt thu sep 17 2026

.rest of tonight...sw winds around 5 kt. seas 1 foot or less.
wave detail: sw 1 foot at 2 seconds and ne 1 foot at 4 seconds. 
.thu...s winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: sw 1 foot at 2 seconds and ne
1 foot at 7 seconds. 
.thu night...sw winds around 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: sw 1 foot at 3 seconds
and e 1 foot at 7 seconds. showers likely after midnight. 
.fri...nw winds around 10 kt, becoming n in the afternoon. gusts
up to 20 kt. seas around 2 ft. wave detail: sw 1 foot at
3 seconds and w 1 foot at 3 seconds. patchy fog in the morning. a
chance of showers in the morning. 
.fri night and sat...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds and sw 1 foot at
5 seconds. 
.sat night...se winds around 5 kt. seas around 2 ft. wave detail:
ne 2 ft at 6 seconds and se 1 foot at 4 seconds. 
.sun and sun night...s winds 5 to 10 kt, becoming e 10 to 15 kt.
gusts up to 20 kt. seas 2 to 3 ft. showers likely. 
.mon and mon night...ne winds 10 to 15 kt with gusts up to 20 kt.
seas 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 170504
cwfbox
expires:202609171800;;581610

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu sep 17 2026

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


anz250-171800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt thu sep 17 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and e 2 ft at 9 seconds. 
.thu...s winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 7 seconds and w 1 foot at 2 seconds. patchy fog in the
afternoon with vsby 1 nm or less. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 2 ft at 4 seconds and e 2 ft at
7 seconds. patchy fog. a chance of showers in the evening, then
showers likely after midnight. vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and sw 2 ft at
4 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.fri night...n 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 6 seconds and nw 3 ft at 5 seconds. 
.sat and sat night...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: e 4 ft at 7 seconds and nw 3 ft at
5 seconds. 
.sun and sun night...s winds 5 to 10 kt, becoming e 10 to 15 kt
with gusts up to 20 kt. seas around 2 ft. showers likely. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. 
.mon night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 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 162103
cwfgyx
expires:202609171000;;565708

coastal waters forecast
national weather service gray me
502 pm edt wed sep 16 2026

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


anz154-171000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
502 pm edt wed sep 16 2026

.tonight...s winds 5 to 10 kt, becoming w after midnight, then
becoming n around 5 kt towards daybreak. seas around 2 ft. wave
detail: s 2 ft at 4 seconds. 
.thu...ne winds around 5 kt. seas around 2 ft. wave detail: e 2 ft
at 8 seconds. patchy fog in the morning. patchy fog in the
afternoon. vsby 1 to 3 nm. 
.thu night...se winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: s 2 ft at 4 seconds and e 2 ft at 8 seconds.
showers, mainly in the evening. patchy fog. vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 2 ft at
4 seconds and e 2 ft at 7 seconds. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 2 ft at 3 seconds and se 2 ft at 7 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt, becoming se
around 5 kt in the afternoon. seas 2 to 3 ft. wave detail: ne 2 ft
at 4 seconds. 
.sat night...s winds 5 to 10 kt. seas around 2 ft. 
.sun...s winds 5 to 10 kt. seas around 2 ft. a chance of showers in
the morning, then showers likely in the afternoon. 
.sun night...s winds 5 to 10 kt, becoming n after midnight. seas
2 to 3 ft. a chance of showers. 
.mon...n winds around 10 kt with gusts up to 20 kt, becoming ne in
the afternoon. seas 2 to 3 ft. 
.mon night...e winds around 5 kt, becoming ne 10 to 15 kt with gusts
up to 20 kt after midnight. seas around 2 ft. a chance of showers
after midnight.  

$$