fzus51 kbox 162008
cwfbox
expires:202603170900;;802926

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

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


anz230-170900-
boston harbor-
408 pm edt mon mar 16 2026

...storm warning in effect from 8 pm edt this evening through
late tonight...

.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. a chance of tstms this
evening. 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 and thu...s winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.thu night...sw winds 10 to 15 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.fri...sw winds 10 to 15 kt. waves around 2 ft. 
.fri night through sat night...sw winds 10 to 15 kt with gusts up
to 20 kt. waves around 2 ft. a chance of showers.  

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 162008
cwfbox
expires:202603170900;;802915

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

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


anz250-170900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
408 pm edt mon mar 16 2026

...storm warning in effect through tuesday morning...

.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 10 to
14 ft after midnight. wave detail: s 11 ft at 7 seconds and se
5 ft at 8 seconds, becoming s 13 ft at 9 seconds and se 10 ft at
9 seconds. patchy fog. rain. a slight chance of tstms this
evening. 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, subsiding to 6 to 9 ft in the afternoon. wave detail: se
10 ft at 10 seconds and s 7 ft at 10 seconds, becoming se 8 ft at
11 seconds and w 4 ft at 5 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.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 and thu...s winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. wave detail: se 4 ft at 10 seconds and s 3 ft at
4 seconds. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. wave detail: s 3 ft at 4 seconds and se 3 ft at
9 seconds. 
.fri...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. 
.fri night through sat night...w winds 15 to 20 kt with gusts up
to 25 kt. seas 3 to 5 ft. a chance of showers. 

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.

$$