fzus51 kbox 170604
cwfbox
expires:202512171900;;721003

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

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


anz235-171900-
rhode island sound-
104 am est wed dec 17 2025

...gale warning in effect from 7 am est this morning through this
evening...

.rest of tonight...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 6 seconds and se 1 foot
at 10 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: sw 7 ft at 7 seconds and se 1 foot at
10 seconds. 
.wed night...w winds 20 to 25 kt, becoming nw 10 to 15 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft, subsiding to 3 to
5 ft after midnight. wave detail: sw 7 ft at 8 seconds and s 3 ft
at 9 seconds, becoming sw 5 ft at 8 seconds and s 3 ft 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 2 to 4 ft. wave detail: sw
4 ft at 8 seconds and se 1 foot at 10 seconds. 
.thu night...s winds 20 to 25 kt with gusts up to 35 kt,
increasing to 25 to 30 kt with gusts up to 45 kt after midnight.
seas 3 to 5 ft, building to 5 to 8 ft after midnight. wave
detail: s 5 ft at 7 seconds and se 1 foot at 10 seconds, becoming
s 8 ft at 7 seconds and se 1 foot at 12 seconds. a chance of rain
in the evening, then rain likely after midnight with vsby 1 to
3 nm. 
.fri...s winds 25 to 30 kt with gusts up to 50 kt, becoming sw
with gusts up to 40 kt in the afternoon. seas 8 to 11 ft. wave
detail: s 11 ft at 9 seconds. rain. vsby 1 to 3 nm. 
.fri night...w winds 25 to 30 kt with gusts up to 40 kt. seas
7 to 10 ft. a chance of rain in the evening. 
.sat...w winds 20 to 25 kt. seas 5 to 7 ft. 
.sat night through sun night...w winds 15 to 20 kt with gusts up
to 30 kt. seas 4 to 6 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 170604
cwfbox
expires:202512171900;;721006

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

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


anz236-171900-
narragansett bay-
104 am est wed dec 17 2025

...gale warning in effect from 7 am est this morning through this
evening...

.rest of tonight...sw winds 15 to 20 kt with gusts up to 25 kt.
waves 3 to 4 ft. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. waves 3 to
5 ft. 
.wed night...w winds 15 to 20 kt, diminishing to 5 to 10 kt after
midnight. gusts up to 25 kt. waves 2 to 4 ft.
.thu...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 2 to 3 ft. 
.thu night...s winds 15 to 20 kt with gusts up to 35 kt,
increasing to 20 to 25 kt with gusts up to 45 kt after midnight.
waves 2 to 4 ft, building to 4 to 6 ft after midnight. a chance
of rain in the evening, then rain after midnight with vsby 1 to
3 nm. 
.fri...s winds 25 to 30 kt, becoming sw 20 to 25 kt in the
afternoon. gusts up to 45 kt. waves 5 to 8 ft. rain. vsby 1 to
3 nm. 
.fri night...w winds 15 to 20 kt with gusts up to 30 kt. waves
5 to 7 ft, subsiding to 2 to 3 ft after midnight. at the bay
entrance, waves 5 to 7 ft. a chance of rain in the evening. 
.sat...w winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
4 ft. 
.sat night and sun...sw winds 10 to 15 kt with gusts up to 25 kt.
waves 3 to 5 ft. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt. waves
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 170604
cwfbox
expires:202512171900;;721004

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

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


anz237-171900-
block island sound-
104 am est wed dec 17 2025

...gale warning in effect from 7 am est this morning through this
evening...

.rest of tonight...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: w 4 ft at 5 seconds and se 1 foot at
11 seconds. 
.wed...sw winds around 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: w 6 ft at 6 seconds and se 1 foot at
10 seconds. 
.wed night...w winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 5 to 10 kt with gusts up to 20 kt after midnight.
seas 4 to 6 ft. wave detail: w 6 ft at 6 seconds and s 3 ft at
9 seconds. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw
3 ft at 8 seconds and se 2 ft at 10 seconds. 
.thu night...s winds 15 to 20 kt with gusts up to 35 kt,
increasing to 20 to 25 kt with gusts up to 45 kt after midnight.
seas 3 to 5 ft, building to 5 to 7 ft after midnight. wave
detail: s 4 ft at 6 seconds and se 1 foot at 10 seconds, becoming
s 7 ft at 6 seconds and se 1 foot at 11 seconds. a chance of rain
in the evening, then rain after midnight with vsby 1 to 3 nm. 
.fri...s winds 25 to 30 kt with gusts up to 50 kt, becoming sw
20 to 25 kt with gusts up to 40 kt in the afternoon. seas 8 to
11 ft. wave detail: s 9 ft at 10 seconds and s 8 ft at 7 seconds.
rain. vsby 1 to 3 nm. 
.fri night...w winds 20 to 25 kt with gusts up to 35 kt. seas
7 to 10 ft. a chance of rain in the evening. 
.sat...w winds 15 to 20 kt. seas 4 to 6 ft. 
.sat night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. 
.sun...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. 
.sun night...w winds around 15 kt with gusts up to 20 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 kbox 170604
cwfbox
expires:202512171900;;720998

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

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


anz255-171900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am est wed dec 17 2025

...gale warning in effect from 7 am est this morning through late
tonight...

.rest of tonight...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 6 ft. wave detail: sw 6 ft at 6 seconds and se 1 foot
at 10 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft, building to 6 to 9 ft in the afternoon. wave detail: sw
7 ft at 7 seconds and se 1 foot at 10 seconds, becoming sw 9 ft
at 8 seconds and se 1 foot at 10 seconds. 
.wed night...w winds 20 to 25 kt with gusts up to 35 kt, becoming
nw 15 to 20 kt with gusts up to 25 kt after midnight. seas 6 to
9 ft, subsiding to 5 to 7 ft after midnight. wave detail: sw 9 ft
at 8 seconds and s 1 foot at 9 seconds, becoming sw 7 ft at
8 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 3 to 5 ft. wave detail: sw
5 ft at 8 seconds and se 1 foot at 10 seconds. 
.thu night...s winds 20 to 25 kt with gusts up to 35 kt,
increasing to 25 to 30 kt with gusts up to 45 kt after midnight.
seas 4 to 6 ft, building to 5 to 8 ft after midnight. wave
detail: s 6 ft at 7 seconds and se 1 foot at 10 seconds, becoming
s 8 ft at 6 seconds and se 1 foot at 12 seconds. rain likely
after midnight. 
.fri...s winds 25 to 30 kt with gusts up to 50 kt, becoming sw
with gusts up to 40 kt in the afternoon. seas 8 to 11 ft,
building to 10 to 13 ft in the afternoon. wave detail: s 11 ft at
8 seconds and se 5 ft at 13 seconds, becoming s 13 ft at
10 seconds and sw 10 ft at 7 seconds. rain. vsby 1 to 3 nm. 
.fri night...w winds 30 to 35 kt, becoming 25 to 35 kt after
midnight. gusts up to 45 kt. seas 9 to 13 ft. a chance of rain in
the evening. 
.sat...w winds 25 to 30 kt. seas 7 to 10 ft. 
.sat night through sun night...w winds 20 to 25 kt with gusts up
to 30 kt. seas 5 to 8 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.

$$