fzus51 kbox 180805
cwfbox
expires:202509182100;;180160

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

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


anz230-182100-
boston harbor-
405 am edt thu sep 18 2025

.today...n winds 5 to 10 kt, becoming e this afternoon. waves
1 foot or less. patchy fog this morning. a chance of showers this
morning. 
.tonight...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...ne winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. waves around 2 ft in the morning, then 1 foot or less.
.sat night...se winds 5 to 10 kt, becoming w after midnight.
waves 1 foot or less. 
.sun through mon night...sw winds 10 to 15 kt with gusts up to
20 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 180805
cwfbox
expires:202509182100;;180151

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

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


anz231-182100-
cape cod bay-
405 am edt thu sep 18 2025

.today...n winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 7 seconds and ne 1 foot at 2 seconds. patchy fog. a
chance of showers with a slight chance of tstms this morning. 
.tonight...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: s 2 ft at 7 seconds and n 1 foot at
3 seconds. patchy fog in the evening. 
.fri...nw winds around 10 kt, becoming n in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and n 1 foot at
3 seconds. 
.fri night...ne winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 3 ft
at 4 seconds and n 2 ft at 4 seconds. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n
3 ft at 5 seconds and s 1 foot at 5 seconds. 
.sat night...se winds around 5 kt. seas around 2 ft. wave detail:
n 2 ft at 5 seconds and se 1 foot at 8 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 180805
cwfbox
expires:202509182100;;180149

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

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


anz250-182100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt thu sep 18 2025

.today...n winds 5 to 10 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 this morning with vsby 1 nm or less. 
.tonight...s winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds and sw 2 ft at
3 seconds. patchy fog in the evening with vsby 1 nm or less. 
.fri...nw winds 10 to 15 kt, becoming n 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and
w 2 ft at 3 seconds. 
.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: n 4 ft
at 4 seconds and se 2 ft at 7 seconds. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: n
4 ft at 5 seconds and se 2 ft at 8 seconds. 
.sat night...se winds 5 to 10 kt, becoming sw after midnight.
seas 2 to 3 ft. wave detail: n 2 ft at 5 seconds and se 1 foot at
8 seconds. 
.sun through mon night...sw winds 10 to 15 kt with gusts up to
20 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.

$$