fzus51 kbox 161205
cwfbox
expires:202512170100;;679322

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est tue dec 16 2025

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


anz235-170100-
rhode island sound-
704 am est tue dec 16 2025

...small craft advisory in effect from late tonight through
wednesday evening...

.today...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w 3 ft
at 6 seconds and se 1 foot at 11 seconds. 
.tonight...sw winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 2 to 3 ft, building to 3 to 5 ft after midnight.
wave detail: sw 3 ft at 6 seconds and se 1 foot at 11 seconds,
becoming sw 5 ft at 6 seconds and se 1 foot at 11 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 7 ft at 7 seconds and se 2 ft at
10 seconds. 
.wed night...w winds 20 to 25 kt, diminishing to 10 to 15 kt
after midnight. seas 5 to 7 ft. wave detail: sw 7 ft at 8 seconds
and s 3 ft at 9 seconds. 
.thu...sw winds 5 to 10 kt, becoming s 15 to 20 kt in the
afternoon. seas 3 to 4 ft. wave detail: sw 4 ft at 8 seconds and
se 1 foot at 10 seconds.
.thu night...s winds 25 to 30 kt, increasing to 30 to 40 kt after
midnight. seas 5 to 7 ft, building to 8 to 11 ft after midnight.
wave detail: s 7 ft at 6 seconds and se 1 foot at 12 seconds,
becoming s 11 ft at 8 seconds and s 11 ft at 11 seconds. a chance
of rain in the evening, then rain likely after midnight. 
.fri...sw winds 30 to 40 kt with gusts up to 45 kt. seas 9 to
12 ft. rain. vsby 1 to 3 nm. 
.fri night...w winds 25 to 35 kt with gusts up to 40 kt. seas
5 to 8 ft. 
.sat and sat night...w winds 15 to 20 kt, becoming sw 25 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 kbox 161205
cwfbox
expires:202512170100;;679325

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est tue dec 16 2025

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


anz236-170100-
narragansett bay-
704 am est tue dec 16 2025

...small craft advisory in effect from late tonight through
wednesday afternoon...

.today...w winds 5 to 10 kt. waves around 2 ft. 
.tonight...sw winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft.
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
4 ft. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. 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 25 to 35 kt with gusts up to 45 kt. waves
5 to 7 ft. at the bay entrance, waves 4 to 6 ft, building to 7 to
10 ft after midnight. a chance of rain in the evening, then rain
likely after midnight. 
.fri...sw winds 25 to 35 kt with gusts up to 45 kt. waves 5 to
7 ft, except 7 to 10 ft at the bay entrance. rain. vsby 1 to
3 nm. 
.fri night...w winds 25 to 30 kt. waves 3 to 5 ft. 
.sat and sat night...w winds 10 to 15 kt, becoming sw 15 to
20 kt. gusts up to 25 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 161205
cwfbox
expires:202512170100;;679323

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est tue dec 16 2025

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


anz237-170100-
block island sound-
704 am est tue dec 16 2025

...small craft advisory in effect from late tonight through
wednesday evening...

.today...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 5 seconds and se 1 foot at 11 seconds. 
.tonight...sw 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: sw 3 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: sw 5 ft at 6 seconds and se 2 ft at
10 seconds. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt after midnight. seas 4 to 6 ft. wave
detail: w 5 ft at 7 seconds and s 4 ft at 9 seconds. 
.thu...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 4 ft. wave detail: s 3 ft at
8 seconds and se 2 ft at 10 seconds. 
.thu night...s winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. gusts up to 45 kt. seas 4 to 6 ft, building to 7 to
10 ft after midnight. wave detail: s 6 ft at 6 seconds and se
1 foot at 10 seconds, becoming s 10 ft at 7 seconds and se 6 ft
at 11 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.fri...sw winds 25 to 35 kt with gusts up to 45 kt. seas 8 to
11 ft. rain. vsby 1 to 3 nm. 
.fri night...w winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 8 ft. 
.sat and sat night...w winds 10 to 15 kt with gusts up to 20 kt,
becoming sw 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 kbox 161205
cwfbox
expires:202512170100;;679317

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est tue dec 16 2025

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


anz255-170100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
704 am est tue dec 16 2025

...small craft advisory in effect from late tonight through late
wednesday night...

.today...w winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: w 4 ft at 6 seconds and ne 1 foot at
8 seconds. 
.tonight...sw winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 2 to 4 ft, building to 4 to 6 ft after midnight.
wave detail: sw 4 ft at 6 seconds and se 1 foot at 11 seconds,
becoming sw 6 ft at 6 seconds and se 1 foot at 10 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: sw 9 ft at 8 seconds and se 3 ft at
10 seconds. 
.wed night...w winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 15 to 20 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 10 seconds, becoming sw 7 ft at 8 seconds and s 1 foot
at 10 seconds. 
.thu...sw winds 5 to 10 kt, becoming s 15 to 20 kt in the
afternoon. seas 4 to 6 ft. wave detail: sw 5 ft at 8 seconds and
se 1 foot at 10 seconds.
.thu night...s winds 25 to 30 kt, increasing to 30 to 40 kt after
midnight. seas 5 to 7 ft, building to 9 to 12 ft after midnight.
wave detail: s 7 ft at 7 seconds and se 1 foot at 12 seconds,
becoming s 12 ft at 8 seconds and se 6 ft at 14 seconds. a chance
of rain after midnight. 
.fri...sw winds 30 to 40 kt with gusts up to 45 kt. seas 11 to
15 ft. rain. vsby 1 to 3 nm. 
.fri night...w winds 35 to 45 kt. seas 8 to 11 ft. a chance of
rain. 
.sat...w winds 20 to 25 kt. seas 5 to 7 ft. 
.sat night...sw winds 25 to 30 kt. seas 4 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.

$$