fzus51 kbox 160806
cwfbox
expires:202603162100;;770184

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt mon mar 16 2026

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


anz235-162100-
rhode island sound-
405 am edt mon mar 16 2026

...storm warning in effect from this afternoon through tuesday
morning...

.today...s winds 25 to 30 kt with gusts up to 40 kt. seas 7 to
10 ft. wave detail: s 10 ft at 8 seconds and e 1 foot at
5 seconds. patchy dense fog. a chance of tstms. rain this
morning, then a chance of rain this afternoon. vsby 1 nm or less.
.tonight...s winds 30 to 40 kt with gusts up to 50 kt. seas 10 to
14 ft, building to 12 to 16 ft after midnight. wave detail: s
14 ft at 10 seconds and s 2 ft at 4 seconds, becoming s 16 ft at
10 seconds and sw 2 ft at 5 seconds. patchy fog. rain. vsby 1 nm
or less. 
.tue...w winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 9 to 13 ft, subsiding to 7 to 10 ft in the
afternoon. wave detail: s 13 ft at 11 seconds and sw 3 ft at
5 seconds, becoming s 10 ft at 11 seconds and sw 3 ft at
5 seconds. 
.tue night...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 7 to 10 ft, subsiding to 5 to
8 ft after midnight. wave detail: s 10 ft at 10 seconds and sw
3 ft at 5 seconds, becoming s 8 ft at 10 seconds and w 2 ft at
5 seconds.
.wed...nw winds 10 to 15 kt with gusts up to 20 kt, becoming sw
5 to 10 kt in the afternoon. seas 4 to 6 ft. wave detail: s 6 ft
at 10 seconds and w 2 ft at 5 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s
4 ft at 10 seconds and w 1 foot at 5 seconds. 
.thu through fri night...w winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 4 ft.  

winds and seas higher in and near tstms.

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 160806
cwfbox
expires:202603162100;;770187

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt mon mar 16 2026

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


anz236-162100-
narragansett bay-
405 am edt mon mar 16 2026

...storm warning in effect from this evening through late
tonight...

.today...s winds 25 to 30 kt with gusts up to 35 kt. waves 4 to
6 ft. patchy dense fog. rain with a chance of tstms. vsby 1 nm or
less. 
.tonight...s winds 25 to 35 kt. gusts up to 45 kt, increasing to
55 kt after midnight. waves 6 to 9 ft, except 9 to 12 ft at the
bay entrance. patchy fog. rain. vsby 1 nm or less. 
.tue...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 35 kt. waves 5 to 7 ft. at the bay
entrance, waves 7 to 10 ft, subsiding to 6 to 8 ft in the
afternoon. 
.tue night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. waves 3 to 5 ft, subsiding to
2 to 3 ft after midnight. at the bay entrance, waves 4 to 6 ft. 
.wed...nw winds 5 to 10 kt, becoming sw in the afternoon. waves
2 to 3 ft. 
.wed night...s winds 5 to 10 kt. waves 2 to 3 ft. 
.thu through fri night...w winds 10 to 15 kt. waves 2 to 3 ft.  

winds and waves higher in and near tstms.

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 160806
cwfbox
expires:202603162100;;770185

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt mon mar 16 2026

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


anz237-162100-
block island sound-
405 am edt mon mar 16 2026

...storm warning in effect from this afternoon through tuesday
morning...

.today...s winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft, building to 7 to 10 ft this afternoon. wave detail: se 7 ft
at 8 seconds and e 1 foot at 5 seconds, becoming se 10 ft at
6 seconds. patchy dense fog. a chance of tstms. rain this
morning, then a chance of rain this afternoon. vsby 1 nm or less.
.tonight...s winds 25 to 35 kt with gusts up to 50 kt. seas 9 to
13 ft, building to 11 to 15 ft after midnight. wave detail: s
13 ft at 9 seconds and s 1 foot at 5 seconds, becoming s 15 ft at
10 seconds and sw 3 ft at 6 seconds. patchy fog. rain. vsby 1 nm
or less. 
.tue...w winds 20 to 25 kt with gusts up to 35 kt. seas 9 to
12 ft, subsiding to 7 to 10 ft in the afternoon. wave detail: s
12 ft at 11 seconds and w 4 ft at 5 seconds, becoming s 9 ft at
11 seconds and w 4 ft at 5 seconds. 
.tue night...w winds 15 to 20 kt with gusts up to 30 kt. seas
6 to 9 ft. wave detail: s 8 ft at 11 seconds and w 4 ft at
5 seconds. 
.wed...nw winds 10 to 15 kt, becoming sw 5 to 10 kt in the
afternoon. seas 4 to 6 ft. wave detail: se 6 ft at 10 seconds and
w 2 ft at 4 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se
4 ft at 10 seconds. 
.thu through fri night...w winds 15 to 20 kt. seas 2 to 4 ft.  

winds and seas higher in and near tstms.

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 160806
cwfbox
expires:202603162100;;770179

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt mon mar 16 2026

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


anz255-162100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 am edt mon mar 16 2026

...storm warning in effect from this afternoon through tuesday
morning...

.today...s winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft, building to 9 to 12 ft this afternoon. wave detail: se 9 ft
at 6 seconds and se 9 ft at 10 seconds, becoming s 12 ft at
9 seconds and s 3 ft at 5 seconds. patchy dense fog. rain with a
slight chance of tstms this morning. a chance of rain this
afternoon. vsby 1 nm or less. 
.tonight...s winds 30 to 40 kt with gusts up to 50 kt. seas 10 to
14 ft, building to 12 to 17 ft after midnight. wave detail: s
14 ft at 10 seconds and s 2 ft at 5 seconds, becoming s 17 ft at
10 seconds and s 2 ft at 5 seconds. patchy fog. rain. vsby 1 nm
or less. 
.tue...w winds 25 to 30 kt with gusts up to 40 kt. seas 10 to
14 ft. wave detail: sw 14 ft at 11 seconds and sw 3 ft at
6 seconds. a chance of rain in the morning. 
.tue night...w winds 20 to 25 kt with gusts up to 30 kt. seas
9 to 12 ft. wave detail: sw 11 ft at 10 seconds and w 5 ft at
5 seconds. 
.wed...nw winds 15 to 20 kt, becoming w 5 to 10 kt in the
afternoon. seas 5 to 8 ft, subsiding to 4 to 6 ft in the
afternoon. wave detail: s 7 ft at 10 seconds and w 4 ft at
6 seconds, becoming s 6 ft at 10 seconds and w 2 ft at 6 seconds.
.wed night...s winds 5 to 10 kt. seas 3 to 5 ft. wave detail: s
5 ft at 9 seconds and w 2 ft at 6 seconds. 
.thu through fri night...w winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 4 ft.  

winds and seas higher in and near tstms.

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.

$$