fzus51 kbox 150803
cwfbox
expires:202605152100;;589227

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri may 15 2026

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


anz230-152100-
boston harbor-
403 am edt fri may 15 2026

.today...ne winds 5 to 10 kt. waves 1 foot or less, then around
2 ft this afternoon. at the outer harbor entrance, waves 2 to
4 ft. patchy fog. isolated showers with patchy drizzle. vsby 1 nm
or less. 
.tonight...n winds 5 to 10 kt, becoming w after midnight. waves
1 foot or less, except 2 to 4 ft at the outer harbor entrance.
patchy fog. patchy drizzle in the evening. vsby 1 to 3 nm. 
.sat...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 foot or less, then around 2 ft in the afternoon. 
.sat night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.sun...w winds around 10 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. 
.sun night...nw winds 5 to 10 kt, becoming n after midnight.
waves around 2 ft in the evening, then 1 foot or less. 
.mon through tue night...sw winds 10 to 15 kt with gusts up to
20 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 150803
cwfbox
expires:202605152100;;589218

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri may 15 2026

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


anz231-152100-
cape cod bay-
403 am edt fri may 15 2026

.today...ne winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s
1 foot at 5 seconds and ne 1 foot at 5 seconds. patchy fog.
patchy drizzle this morning, then isolated showers this
afternoon. vsby 1 nm or less, increasing to 1 to 3 nm this
afternoon. 
.tonight...n winds 5 to 10 kt, becoming w after midnight. seas
3 to 5 ft. wave detail: n 1 foot at 4 seconds. patchy fog. patchy
drizzle in the evening. vsby 1 to 3 nm. 
.sat...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw
2 ft at 3 seconds and ne 1 foot at 6 seconds. patchy fog in the
morning. 
.sat night...sw winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 2 ft at 3 seconds and e 1 foot at
8 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas around 2 ft. wave detail: sw
2 ft at 3 seconds and e 1 foot at 9 seconds. 
.sun night...w winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: w 1 foot at 3 seconds and e 1 foot at
9 seconds. 
.mon and mon night...e winds 5 to 10 kt, becoming s. seas around
2 ft. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 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 150803
cwfbox
expires:202605152100;;589216

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri may 15 2026

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


anz250-152100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am edt fri may 15 2026

...small craft advisory in effect through saturday morning...

.today...ne winds 5 to 10 kt. seas 4 to 6 ft. wave detail: e 6 ft
at 10 seconds and s 1 foot at 5 seconds. patchy fog. isolated
showers with patchy drizzle. vsby 1 nm or less. 
.tonight...n winds 5 to 10 kt, becoming w after midnight. seas
4 to 6 ft. wave detail: e 6 ft at 10 seconds and n 1 foot at
3 seconds. patchy fog. patchy drizzle in the evening. vsby 1 to
3 nm. 
.sat...sw winds 10 to 15 kt, becoming s 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 3 to 5 ft. wave detail: e 5 ft at
10 seconds and s 3 ft at 4 seconds. patchy fog in the morning. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 4 ft at 5 seconds and e 4 ft at
9 seconds. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 3 to 4 ft. wave detail: sw 3 ft at 5 seconds and se 3 ft at
9 seconds. 
.sun night...nw winds around 10 kt, becoming n after midnight.
seas 2 to 4 ft. wave detail: nw 2 ft at 3 seconds and se 2 ft at
8 seconds. 
.mon through tue night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 4 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 150623
cwfgyx
expires:202605152130;;583871

coastal waters forecast
national weather service gray me
223 am edt fri may 15 2026

coastal waters from stonington me to merrimack river ma out to 25 nm


anz154-152130-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
223 am edt fri may 15 2026

...small craft advisory in effect through saturday morning...

.rest of tonight...ne winds around 15 kt with gusts up to 20 kt.
seas 4 to 5 ft. wave detail: e 5 ft at 6 seconds. rain likely.
patchy fog. areas of fog towards daybreak. vsby 1 nm or less. 
.fri...ne winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. seas 4 to 5 ft, building to 5 to 7 ft
in the afternoon. wave detail: e 5 ft at 8 seconds, becoming se 6 ft
at 10 seconds. patchy fog in the morning. rain. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.fri night...w winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 5 to 7 ft. wave detail: se 7 ft at 10 seconds. 
.sat...sw winds 10 to 15 kt with gusts up to 20 kt. seas 4 to 6 ft.
wave detail: se 6 ft at 10 seconds. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
5 ft. wave detail: s 4 ft at 5 seconds and e 4 ft at 10 seconds. 
.sun...w winds 10 to 15 kt with gusts up to 20 kt. seas 3 to 5 ft.
wave detail: s 4 ft at 6 seconds and se 4 ft at 9 seconds. 
.sun night...nw winds around 10 kt with gusts up to 20 kt, becoming
n after midnight. seas 2 to 3 ft. 
.mon...e winds around 5 kt, becoming se 10 to 15 kt with gusts up to
20 kt in the afternoon. seas 2 to 3 ft. 
.mon night...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. 
.tue...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to 3 ft. 
.tue night...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft.  

$$