fzus51 kbox 192007
cwfbox
expires:202603200900;;970103

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 19 2026

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


anz235-200900-
rhode island sound-
407 pm edt thu mar 19 2026

...small craft advisory in effect from friday evening through
late friday night...

.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 9 seconds and w 1 foot at 3 seconds. 
.fri...w 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: sw 3 ft
at 4 seconds and se 3 ft at 8 seconds. 
.fri night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: s
5 ft at 6 seconds and se 2 ft at 9 seconds. a chance of rain in
the evening, then rain after midnight. 
.sat...w winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 3 to 5 ft. wave detail: s 5 ft at 7 seconds and se 2 ft at
9 seconds. a chance of rain in the morning. 
.sat night and sun...s winds 10 to 15 kt. seas 2 to 4 ft. wave
detail: s 4 ft at 7 seconds and se 3 ft at 8 seconds. 
.sun night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 3 to 4 ft. wave detail: s 4 ft at 5 seconds and se
2 ft at 8 seconds. a chance of rain in the evening, then rain
likely after midnight. 
.mon...n winds 15 to 20 kt. seas 3 to 5 ft. rain likely. 
.mon night...nw winds 15 to 20 kt. seas 3 to 5 ft.
.tue and tue night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming sw. 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 192007
cwfbox
expires:202603200900;;970106

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 19 2026

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


anz236-200900-
narragansett bay-
407 pm edt thu mar 19 2026

.tonight...sw winds 5 to 10 kt. waves around 2 ft. 
.fri...w winds around 5 kt, becoming s 15 to 20 kt with gusts up
to 25 kt in the afternoon. waves 2 to 3 ft. 
.fri night...sw winds 15 to 20 kt with gusts up to 30 kt. waves
2 to 3 ft. rain.
.sat...nw winds around 10 kt. waves 2 to 3 ft. a chance of rain
in the morning. 
.sat night and sun...s winds 5 to 10 kt. waves 2 to 3 ft. 
.sun night...s winds around 10 kt, becoming se with gusts up to
20 kt after midnight. waves 2 to 3 ft. a chance of rain in the
evening, then rain likely after midnight. 
.mon...n winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. rain likely. 
.mon night through tue night...sw winds 10 to 15 kt with gusts up
to 20 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 192007
cwfbox
expires:202603200900;;970104

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 19 2026

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


anz237-200900-
block island sound-
407 pm edt thu mar 19 2026

...small craft advisory in effect from friday evening through
late friday night...

.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 9 seconds and sw 1 foot at 3 seconds. 
.fri...w winds around 5 kt, becoming s 10 to 15 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 3 ft at 8 seconds. 
.fri night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: s 5 ft at 7 seconds. rain.
.sat...w winds 10 to 15 kt. seas 3 to 5 ft. wave detail: sw 4 ft
at 7 seconds and se 4 ft at 8 seconds. a chance of rain in the
morning. 
.sat night and sun...s winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: s 3 ft at 7 seconds and se 3 ft at 8 seconds. 
.sun night...s winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 4 ft. wave detail: s 3 ft at 5 seconds and se
2 ft at 8 seconds. a chance of rain in the evening, then rain
likely after midnight. 
.mon...n winds around 15 kt with gusts up to 20 kt. seas 3 to
5 ft. rain likely. 
.mon night...nw winds 15 to 20 kt. seas 3 to 5 ft.
.tue and tue night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming sw. 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 192007
cwfbox
expires:202603200900;;970098

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
407 pm edt thu mar 19 2026

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


anz255-200900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
407 pm edt thu mar 19 2026

...small craft advisory in effect from friday afternoon through
saturday evening...

.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 9 seconds and sw 1 foot at 3 seconds. 
.fri...w winds around 10 kt, becoming sw with gusts up to 25 kt
in the afternoon. seas 2 to 4 ft. wave detail: w 3 ft at
4 seconds and se 3 ft at 8 seconds. 
.fri night...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: sw 6 ft
at 7 seconds and se 3 ft at 9 seconds. rain likely after
midnight. 
.sat...w winds 15 to 20 kt, becoming nw 10 to 15 kt in the
afternoon. seas 4 to 6 ft. wave detail: sw 6 ft at 7 seconds and
e 3 ft at 9 seconds. a chance of rain in the morning. 
.sat night...ne winds around 10 kt, becoming e after midnight.
seas 3 to 5 ft. wave detail: sw 4 ft at 7 seconds and se 3 ft at
8 seconds. 
.sun...s winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s 3 ft
at 7 seconds and se 3 ft at 8 seconds. 
.sun night...sw winds 10 to 15 kt, becoming s 15 to 20 kt after
midnight. seas 3 to 5 ft. a chance of rain. 
.mon...n winds around 20 kt with gusts up to 25 kt. seas 5 to
7 ft. a chance of rain. 
.mon night...nw winds 20 to 25 kt. seas 5 to 7 ft.
.tue...nw winds 15 to 20 kt. seas 4 to 6 ft. 
.tue night...sw winds 10 to 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.

$$