fzus51 kbox 180503
cwfbox
expires:202509181800;;171694

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu sep 18 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz230-181800-
boston harbor-
103 am edt thu sep 18 2025

.rest of tonight...ne winds around 5 kt. waves 1 foot or less.
patchy fog. showers likely with isolated tstms. vsby 1 to 3 nm. 
.thu...n winds around 5 kt, becoming e in the afternoon. waves
1 foot or less. patchy fog in the morning. a chance of showers in
the morning with vsby 1 nm or less. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. waves
1 foot or less. 
.fri...nw winds around 10 kt. waves around 2 ft. 
.fri night...n winds 10 to 15 kt. waves around 2 ft. 
.sat and sat night...sw winds 5 to 10 kt. waves around 2 ft. 
.sun through mon night...sw winds 10 to 15 kt with gusts up to
20 kt. waves around 2 ft.  

winds and waves 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.

$$

fzus51 kbox 180503
cwfbox
expires:202509181800;;171685

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu sep 18 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz231-181800-
cape cod bay-
103 am edt thu sep 18 2025

.rest of tonight...e winds around 5 kt. seas around 2 ft. wave
detail: e 2 ft at 3 seconds and s 1 foot at 3 seconds. patchy
fog. showers likely with a slight chance of tstms. vsby 1 to
3 nm. 
.thu...n winds around 5 kt. seas around 2 ft. wave detail: e 2 ft
at 2 seconds and s 1 foot at 3 seconds. patchy fog in the
morning. a chance of showers in the morning with vsby 1 nm or
less. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: e 2 ft at 5 seconds and sw 1 foot at
3 seconds. 
.fri...nw winds around 10 kt with gusts up to 20 kt, becoming n
in the afternoon. seas around 2 ft. wave detail: se 2 ft at
7 seconds and nw 1 foot at 3 seconds. 
.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 5 seconds. 
.sat night...se winds around 5 kt. seas around 2 ft. wave detail:
n 2 ft at 5 seconds. 
.sun through mon night...sw winds 10 to 15 kt with gusts up to
20 kt. seas around 2 ft.  

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.

$$

fzus51 kbox 180503
cwfbox
expires:202509181800;;171683

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu sep 18 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-181800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt thu sep 18 2025

.rest of tonight...ne winds around 5 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 8 seconds. patchy fog. a chance of showers
with a slight chance of tstms. vsby 1 nm or less. 
.thu...ne winds around 5 kt, becoming n in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds. patchy fog in the
morning. a chance of showers in the morning with vsby 1 nm or
less. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds and sw 2 ft at
3 seconds. patchy fog after midnight with vsby 1 nm or less. 
.fri...nw winds 10 to 15 kt with gusts up to 20 kt, becoming n in
the afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds
and w 2 ft at 3 seconds. 
.fri night and sat...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: n 4 ft at 6 seconds and nw 2 ft at
3 seconds. 
.sat night...se winds 5 to 10 kt, becoming s after midnight. seas
2 to 3 ft. wave detail: n 3 ft at 6 seconds. 
.sun through mon night...sw winds 10 to 15 kt with gusts up to
25 kt. seas 2 to 4 ft.  

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.

$$

fzus51 kgyx 180536
cwfgyx
expires:202509181945;;174245

coastal waters forecast
national weather service gray me
136 am edt thu sep 18 2025

coastal waters from stonington me to merrimack river ma out to 25 nm


anz154-181945-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
136 am edt thu sep 18 2025

.rest of tonight...s winds around 5 kt, becoming w around 5 kt
towards daybreak. seas 2 to 3 ft. wave detail: se 2 ft at 8 seconds.
scattered showers with isolated tstms. patchy fog. 
.thu...n winds around 5 kt, becoming s in the afternoon. seas 2 to
3 ft. wave detail: se 3 ft at 8 seconds. scattered showers in the
morning. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds. 
.fri...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft at
8 seconds. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 3 ft at 7 seconds and n 2 ft at 3 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 3 ft
at 6 seconds. 
.sat night...sw winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. 
.sun...e winds around 5 kt, becoming s in the afternoon. seas 2 to
3 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. 
.mon...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to 4 ft. 
.mon night...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft.  

winds and seas higher in and near tstms.

$$