fzus51 kbox 160806
cwfbox
expires:202603162100;;770186

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


anz230-162100-
boston harbor-
405 am edt mon mar 16 2026

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

.today...se winds 20 to 25 kt with gusts up to 30 kt. waves 2 to
3 ft. patchy fog. rain. a slight chance of tstms this morning,
then a chance of tstms this afternoon. vsby 1 nm or less. 
.tonight...s winds 25 to 35 kt. gusts up to 45 kt, increasing to
55 kt after midnight. waves around 2 ft, except 3 to 5 ft at the
outer harbor entrance. patchy fog. rain. vsby 1 nm or less. 
.tue...sw winds 20 to 25 kt, becoming w 15 to 20 kt in the
afternoon. gusts up to 30 kt. waves around 2 ft, except 3 to 5 ft
at the outer harbor entrance. 
.tue night...w winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. 
.wed...w winds 15 to 20 kt, diminishing to 5 to 10 kt in the
afternoon. waves around 2 ft in the morning, then 1 foot or less.
.wed night...s winds 5 to 10 kt. waves 1 foot or less. 
.thu and thu night...s winds 10 to 15 kt. waves around 2 ft. 
.fri and fri night...sw winds 10 to 15 kt, becoming w 15 to
20 kt. waves around 2 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;;770175

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


anz250-162100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt mon mar 16 2026

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

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

$$