fzus51 kbox 180911
cwfbox
expires:202601182215;;090918

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
411 am est sun jan 18 2026

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


anz235-182215-
rhode island sound-
411 am est sun jan 18 2026

...small craft advisory in effect until 10 am est this morning...

.today...s winds 5 to 10 kt, becoming ne this afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 9 seconds and sw 1 foot at
5 seconds. patchy fog. rain and snow. vsby 1 nm or less. 
.tonight...ne winds 10 to 15 kt, becoming nw after midnight. seas
3 to 4 ft. wave detail: se 4 ft at 8 seconds and nw 2 ft at
4 seconds. patchy fog. snow. vsby 1 nm or less. 
.mon...w winds 15 to 20 kt, increasing to 25 to 30 kt in the
afternoon. seas 3 to 5 ft, building to 5 to 7 ft in the
afternoon. wave detail: s 4 ft at 8 seconds and w 3 ft at
5 seconds, becoming sw 7 ft at 7 seconds and s 6 ft at 9 seconds.
a chance of snow in the morning. 
.mon night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 5 to 8 ft. wave detail: s 8 ft at 9 seconds
and w 7 ft at 7 seconds. light freezing spray after midnight. 
.tue...w winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: sw
6 ft at 8 seconds. light freezing spray. 
.tue night...w winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: sw 5 ft at 7 seconds and se 1 foot at
9 seconds. light freezing spray. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. 
.wed night and thu...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft. a chance of showers.
.thu night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. light freezing spray.  

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 180911
cwfbox
expires:202601182215;;090921

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
411 am est sun jan 18 2026

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


anz236-182215-
narragansett bay-
411 am est sun jan 18 2026

.today...sw winds around 5 kt, becoming ne this afternoon. waves
2 to 3 ft. patchy fog. snow. vsby 1 nm or less. 
.tonight...n winds 5 to 10 kt, becoming nw after midnight. waves
2 to 3 ft. patchy fog. snow. vsby 1 nm or less. 
.mon...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 3 ft, building to 3 to
5 ft in the afternoon. patchy fog in the morning. a chance of
snow in the morning. 
.mon night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. waves 3 to 5 ft.
.tue...w winds 10 to 15 kt with gusts up to 25 kt. waves around
3 ft. light freezing spray in the afternoon. 
.tue night...w winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft.
.wed and wed night...sw winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 4 ft. 
.thu...sw winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
4 ft. a chance of snow showers. 
.thu night...w winds 10 to 15 kt with gusts up to 25 kt. waves
2 to 3 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 180911
cwfbox
expires:202601182215;;090919

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
411 am est sun jan 18 2026

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


anz237-182215-
block island sound-
411 am est sun jan 18 2026

...small craft advisory in effect until 10 am est this morning...

.today...se winds around 5 kt, becoming ne this afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 9 seconds and sw 1 foot at
6 seconds. patchy fog. snow and rain. vsby 1 nm or less. 
.tonight...ne winds around 10 kt, becoming nw after midnight.
seas 2 to 4 ft. wave detail: s 4 ft at 8 seconds and nw 1 foot at
3 seconds. patchy fog. snow. vsby 1 nm or less. 
.mon...w winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. wave detail: s 4 ft at 8 seconds and w
2 ft at 4 seconds, becoming w 5 ft at 5 seconds and s 4 ft at
9 seconds. 
.mon night...w winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 35 kt. seas 5 to 7 ft. wave detail: w
5 ft at 5 seconds and s 5 ft at 9 seconds. light freezing spray
after midnight. 
.tue...w winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: w 4 ft
at 5 seconds and s 4 ft at 9 seconds. light freezing spray. 
.tue night...w winds 15 to 20 kt with gusts up to 30 kt. seas
2 to 4 ft. wave detail: w 4 ft at 5 seconds and s 3 ft at
9 seconds. light freezing spray. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.wed night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. a chance of showers. 
.thu...sw winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. a chance of showers. 
.thu night...w winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. light freezing spray.  

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 180911
cwfbox
expires:202601182215;;090913

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
411 am est sun jan 18 2026

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


anz255-182215-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
411 am est sun jan 18 2026

...small craft advisory in effect through monday evening...

.today...e winds 5 to 10 kt, becoming ne 10 to 15 kt this
afternoon. seas 4 to 6 ft. wave detail: s 6 ft at 9 seconds.
patchy fog. rain. snow this morning. vsby 1 to 3 nm, decreasing
to 1 nm or less this afternoon. 
.tonight...ne winds 10 to 15 kt, becoming nw with gusts up to
20 kt after midnight. seas 3 to 4 ft. wave detail: s 4 ft at
8 seconds and nw 3 ft at 4 seconds. patchy fog. rain. snow likely
after midnight. vsby 1 nm or less. 
.mon...w winds 15 to 20 kt, increasing to 25 to 30 kt in the
afternoon. seas 4 to 6 ft, building to 7 to 10 ft in the
afternoon. wave detail: s 6 ft at 9 seconds and w 4 ft at
5 seconds, becoming sw 10 ft at 8 seconds and s 5 ft at
9 seconds. a chance of snow in the morning. 
.mon night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. gusts up to 40 kt. seas 9 to 12 ft. wave detail:
sw 10 ft at 8 seconds and s 9 ft at 9 seconds. 
.tue...w winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 6 to 9 ft, subsiding to 5 to
7 ft in the afternoon. wave detail: sw 7 ft at 8 seconds and s
7 ft at 9 seconds, becoming sw 7 ft at 8 seconds and se 2 ft at
9 seconds. light freezing spray. 
.tue night...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail: sw 7 ft
at 7 seconds and se 1 foot at 9 seconds. light freezing spray. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.wed night and thu...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 8 ft. a chance of showers.
.thu night...w winds 25 to 30 kt. seas 5 to 7 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.

$$