fzus51 kbox 202003
cwfbox
expires:202608210900;;067500

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt thu aug 20 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz230-210900-
boston harbor-
403 pm edt thu aug 20 2026

.tonight...ne winds 5 to 10 kt. waves around 2 ft. rain. patchy
drizzle after midnight. 
.fri...ne winds 10 to 15 kt. waves around 2 ft. patchy drizzle. a
chance of rain in the afternoon. 
.fri night...ne winds 10 to 15 kt. waves 1 foot or less, then
around 2 ft after midnight. rain likely or patchy drizzle. 
.sat...ne winds 10 to 15 kt. waves around 2 ft. rain likely or
patchy drizzle in the morning, then showers likely in the
afternoon. 
.sat night...ne winds 5 to 10 kt. waves 1 foot or less. showers
likely. 
.sun and sun night...sw winds 5 to 10 kt. waves 1 foot or less. a
chance of showers. 
.mon through tue night...sw winds 5 to 10 kt. waves around 2 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 202003
cwfbox
expires:202608210900;;067491

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt thu aug 20 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz231-210900-
cape cod bay-
403 pm edt thu aug 20 2026

.tonight...w winds 5 to 10 kt, becoming ne with gusts up to 20 kt
after midnight. seas 1 foot or less, then around 2 ft after
midnight. wave detail: sw 1 foot at 2 seconds and e 1 foot at
5 seconds, becoming nw 1 foot at 2 seconds and ne 1 foot at
6 seconds. rain.
.fri...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 1 foot at 3 seconds. rain.
.fri night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and e 1 foot at
3 seconds. rain. patchy drizzle after midnight. 
.sat...e winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: ne 1 foot at 4 seconds.
a chance of rain or patchy drizzle in the morning, then showers
likely in the afternoon. 
.sat night...se winds around 5 kt. seas around 2 ft. wave detail:
s 1 foot at 2 seconds and e 1 foot at 3 seconds. showers likely. 
.sun...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 2 seconds and ne 1 foot at 4 seconds. a chance of
showers. 
.sun night...s winds 5 to 10 kt. seas around 2 ft. 
.mon through tue night...sw winds 5 to 10 kt with gusts up to
20 kt. seas around 2 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 202003
cwfbox
expires:202608210900;;067489

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt thu aug 20 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-210900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt thu aug 20 2026

.tonight...sw winds 5 to 10 kt, becoming n 10 to 15 kt with gusts
up to 20 kt after midnight. seas around 2 ft. wave detail: se
2 ft at 8 seconds and sw 1 foot at 2 seconds. a chance of rain.
patchy drizzle after midnight. 
.fri...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 3 ft at 7 seconds and nw 1 foot at
3 seconds. a chance of rain or patchy drizzle. 
.fri night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: e 2 ft at 7 seconds and
sw 2 ft at 16 seconds. rain likely or patchy drizzle. 
.sat...e winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: e 3 ft at 7 seconds and n 1 foot at
3 seconds. rain likely or patchy drizzle in the morning, then
showers likely in the afternoon. 
.sat night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 6 seconds. showers likely. 
.sun...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 7 seconds and sw 1 foot at 4 seconds. a chance of showers. 
.sun night...s winds 5 to 10 kt. seas 2 to 3 ft. 
.mon through tue night...sw winds 5 to 10 kt. seas 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 kgyx 202102
cwfgyx
expires:202608211000;;069952

coastal waters forecast
national weather service gray me
501 pm edt thu aug 20 2026

coastal waters from stonington me to merrimack river ma out to 60 nm


anz154-211000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
501 pm edt thu aug 20 2026

.tonight...sw winds around 5 kt, becoming n after midnight. seas
around 2 ft. wave detail: se 2 ft at 8 seconds. a slight chance of
showers early this evening, then a chance of showers late this
evening. a slight chance of showers after midnight. 
.fri...ne winds 5 to 10 kt, becoming e in the afternoon. seas around
2 ft. wave detail: se 2 ft at 8 seconds. 
.fri night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 8 seconds. 
.sat...ne winds around 10 kt. seas 2 to 3 ft. wave detail: e 2 ft at
3 seconds and e 2 ft at 8 seconds. showers likely in the morning,
then rain likely in the afternoon. vsby 1 to 3 nm. 
.sat night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 8 seconds and e 2 ft at 5 seconds. rain likely. patchy fog
in the evening. areas of fog after midnight. vsby 1 to 3 nm. 
.sun...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 2 ft at
6 seconds. areas of fog in the morning. a chance of showers. vsby
1 to 3 nm in the morning. 
.sun night...s winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers
in the evening. 
.mon...sw winds 5 to 10 kt. seas 2 to 4 ft. 
.mon night...w winds around 10 kt. seas 2 to 3 ft. 
.tue...sw winds 5 to 10 kt. seas 2 to 3 ft. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft.  

$$