fzus51 kbox 171504
cwfbox
expires:202512180400;;742108

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed dec 17 2025

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


anz230-180400-
boston harbor-
1004 am est wed dec 17 2025

...gale warning in effect until 7 pm est this evening...

.this afternoon...sw winds 15 to 20 kt with gusts up to 35 kt.
waves around 2 ft. 
.tonight...w winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 25 kt. waves around 2 ft. 
.thu...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 1 foot or less, then around 2 ft
in the afternoon. 
.thu night...s winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. waves around 2 ft. rain likely
after midnight. 
.fri...s winds 25 to 30 kt, becoming sw 20 to 25 kt in the
afternoon. gusts up to 40 kt. waves around 2 ft. rain. vsby 1 to
3 nm. 
.fri night...w winds 25 to 30 kt with gusts up to 40 kt. waves
around 2 ft. 
.sat through sun night...w winds 20 to 25 kt with gusts up to
30 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 171504
cwfbox
expires:202512180400;;742099

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed dec 17 2025

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


anz231-180400-
cape cod bay-
1004 am est wed dec 17 2025

...gale warning in effect until 7 pm est this evening...

.this afternoon...sw winds 20 to 25 kt with gusts up to 35 kt.
seas 3 to 4 ft. wave detail: sw 3 ft at 4 seconds and se 1 foot
at 10 seconds. 
.tonight...w winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. gusts up to 30 kt. seas 2 to 4 ft. wave detail: w 3 ft
at 4 seconds and se 1 foot at 10 seconds. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: s
2 ft at 3 seconds and se 1 foot at 10 seconds. 
.thu night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 4 seconds and se 1 foot at 7 seconds. rain likely after
midnight. 
.fri...s winds 25 to 30 kt with gusts up to 50 kt. seas 3 to
4 ft, building to 4 to 6 ft in the afternoon. wave detail: s 4 ft
at 5 seconds and se 4 ft at 13 seconds, becoming se 6 ft at
9 seconds and s 5 ft at 5 seconds. rain. vsby 1 to 3 nm. 
.fri night...w winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 5 ft. wave detail: w 5 ft at 5 seconds and s 4 ft at
9 seconds. 
.sat through sun night...w winds 20 to 25 kt with gusts up to
30 kt. seas 2 to 4 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 171504
cwfbox
expires:202512180400;;742097

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed dec 17 2025

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


anz250-180400-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 am est wed dec 17 2025

...gale warning in effect through late tonight...

.this afternoon...sw winds 20 to 25 kt with gusts up to 40 kt.
seas 4 to 6 ft. wave detail: sw 6 ft at 5 seconds and se 1 foot
at 10 seconds. 
.tonight...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 35 kt. seas 4 to 6 ft. wave detail: w 5 ft
at 5 seconds and se 1 foot at 10 seconds. 
.thu...sw winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: s 3 ft at
4 seconds and se 1 foot at 10 seconds. 
.thu night...s winds 15 to 20 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 35 kt after midnight.
seas 4 to 6 ft. wave detail: s 6 ft at 6 seconds and se 1 foot at
10 seconds. rain likely after midnight. 
.fri...s winds 25 to 35 kt with gusts up to 45 kt. seas 5 to
8 ft. wave detail: s 8 ft at 6 seconds and se 8 ft at 11 seconds.
rain. vsby 1 to 3 nm. 
.fri night...w winds around 30 kt with gusts up to 40 kt. seas
7 to 10 ft. wave detail: w 8 ft at 6 seconds and se 7 ft at
10 seconds. a chance of rain in the evening with vsby 1 to 3 nm. 
.sat...w winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
8 ft. 
.sat night through sun night...w winds 20 to 25 kt with gusts up
to 30 kt. seas 3 to 5 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 kgyx 171207
cwfgyx
expires:202512180100;;736650

coastal waters forecast
national weather service gray me
706 am est wed dec 17 2025

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


anz154-180100-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
706 am est wed dec 17 2025

...gale warning in effect through this evening...

.today...sw winds 25 to 30 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: s 6 ft at 6 seconds. 
.tonight...w winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 6 seconds. 
.thu...sw winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up to
25 kt in the afternoon. seas 2 to 4 ft. wave detail: s 3 ft at
4 seconds and se 2 ft at 9 seconds. 
.thu night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 35 kt. seas 5 to 7 ft. wave detail: s 7 ft at
6 seconds. rain likely after midnight. 
.fri...s winds 25 to 35 kt with gusts up to 55 kt. seas 7 to 10 ft,
building to 9 to 12 ft in the afternoon. wave detail: s 10 ft at
7 seconds, becoming s 12 ft at 8 seconds. rain. vsby 1 to 3 nm. 
.fri night...w winds 25 to 30 kt with gusts up to 45 kt. seas 8 to
11 ft. wave detail: se 11 ft at 9 seconds and w 6 ft at 5 seconds. a
chance of rain in the evening. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt, diminishing to
15 to 20 kt with gusts up to 25 kt in the afternoon. seas 7 to
10 ft, subsiding to 5 to 8 ft in the afternoon. 
.sat night...sw winds 20 to 25 kt with gusts up to 40 kt. seas 4 to
6 ft. a chance of rain and snow after midnight with vsby 1 to 3 nm. 
.sun...w winds 20 to 25 kt with gusts up to 35 kt. seas 4 to 6 ft. a
chance of rain in the morning with vsby 1 to 3 nm. 
.sun night...w winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft.  

$$