fzus51 kbox 200806
cwfbox
expires:202603202100;;995127

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt fri mar 20 2026

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


anz230-202100-
boston harbor-
405 am edt fri mar 20 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.today...w winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up
to 30 kt this afternoon. waves 1 foot or less, then around 2 ft
this afternoon. 
.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. waves
around 2 ft. showers.
.sat...nw winds around 10 kt, increasing to around 15 kt in the
afternoon. gusts up to 25 kt. waves around 2 ft. 
.sat night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. waves around 2 ft in the
evening, then 1 foot or less. 
.sun...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. waves 1 foot or less, then around 2 ft in the
afternoon. a chance of rain in the morning, then rain likely in
the afternoon. 
.sun night...e winds 10 to 15 kt, becoming ne 15 to 20 kt after
midnight. waves around 2 ft. rain likely. 
.mon...n winds 15 to 20 kt. waves 2 to 3 ft. rain likely. 
.mon night through tue night...sw winds 15 to 20 kt. waves around
2 ft, except 3 to 5 ft at the outer harbor entrance.  

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 200806
cwfbox
expires:202603202100;;995116

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt fri mar 20 2026

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


anz250-202100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt fri mar 20 2026

...small craft advisory in effect from 2 pm edt this afternoon
through saturday evening...

.today...w winds 10 to 15 kt, becoming s 15 to 20 kt with gusts
up to 25 kt this afternoon. seas 2 to 4 ft. wave detail: s 3 ft
at 4 seconds and se 3 ft at 8 seconds. 
.tonight...s winds 20 to 25 kt, becoming sw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: se 5 ft
at 5 seconds and se 4 ft at 9 seconds. showers.
.sat...nw winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: se 4 ft at 8 seconds and w 3 ft at 5 seconds.
a chance of showers in the morning. 
.sat night...nw winds 10 to 15 kt. gusts up to 25 kt in the
evening. seas around 3 ft. wave detail: n 3 ft at 5 seconds and
se 3 ft at 8 seconds. 
.sun...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and n 2 ft at
5 seconds. a chance of snow. a chance of rain in the morning,
then rain likely in the afternoon.
.sun night...se winds 10 to 15 kt, becoming ne 15 to 20 kt after
midnight. seas 2 to 3 ft, building to 3 to 5 ft after midnight.
wave detail: se 3 ft at 4 seconds and se 2 ft at 9 seconds,
becoming ne 4 ft at 5 seconds and se 2 ft at 11 seconds. rain
likely. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. rain likely. 
.mon night and tue...n winds 20 to 25 kt, becoming nw 15 to
20 kt. seas 5 to 8 ft. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 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.

$$