fzus51 kbox 181705
cwfbox
expires:202606190600;;966017

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt thu jun 18 2026

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


anz230-190600-
boston harbor-
105 pm edt thu jun 18 2026

...gale warning in effect until 7 pm edt this evening...

.this afternoon...s winds 20 to 25 kt with gusts up to 35 kt.
waves around 2 ft. showers likely with a slight chance of tstms. 
.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
w 10 to 15 kt with gusts up to 20 kt after midnight. waves around
2 ft. a chance of showers in the evening. 
.fri...w winds around 15 kt with gusts up to 20 kt. waves around
2 ft. 
.fri night...w winds around 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.sat and sat night...w winds 15 to 20 kt with gusts up to 25 kt.
waves around 2 ft. 
.sun...nw winds 5 to 10 kt. waves 1 foot or less. a chance of
showers. 
.sun night...sw winds around 5 kt. waves 1 foot or less. a chance
of showers. 
.mon and mon night...se winds 5 to 10 kt, becoming w 10 to 15 kt.
waves around 2 ft. showers likely.  

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 181705
cwfbox
expires:202606190600;;966008

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt thu jun 18 2026

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


anz231-190600-
cape cod bay-
105 pm edt thu jun 18 2026

...gale warning in effect until 10 pm edt this evening...

.this afternoon...s winds 20 to 25 kt with gusts up to 35 kt.
seas around 3 ft. wave detail: sw 3 ft at 5 seconds and se 2 ft
at 8 seconds. patchy fog. a chance of showers with a slight
chance of tstms. 
.tonight...sw winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
seas 3 to 5 ft, subsiding to 2 ft after midnight. wave detail: s
3 ft at 4 seconds and se 3 ft at 7 seconds, becoming sw 2 ft at
4 seconds and e 2 ft at 8 seconds. patchy fog. vsby 1 to 3 nm in
the evening. 
.fri...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 3 seconds and e 2 ft at 8 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: w 2 ft at 3 seconds and e 1 foot at
7 seconds. 
.sat and sat night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and e 2 ft at
8 seconds. 
.sun and sun night...w winds 5 to 10 kt, becoming sw. seas 1 foot
or less. wave detail: nw 1 foot at 4 seconds and ne 1 foot at
8 seconds. 
.mon and mon night...s winds 5 to 10 kt, becoming sw 10 to 15 kt.
gusts up to 20 kt. seas 2 to 3 ft. showers likely.  

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.

$$

fzus51 kbox 181705
cwfbox
expires:202606190600;;966006

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt thu jun 18 2026

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


anz250-190600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm edt thu jun 18 2026

...gale warning in effect until 10 pm edt this evening...

.this afternoon...s winds 20 to 25 kt with gusts up to 40 kt.
seas 4 to 6 ft. wave detail: s 6 ft at 6 seconds and w 1 foot at
6 seconds. patchy fog. a chance of showers with a slight chance
of tstms. vsby 1 to 3 nm. 
.tonight...sw winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
seas 4 to 6 ft. wave detail: s 6 ft at 6 seconds and w 2 ft at
5 seconds. patchy fog. vsby 1 to 3 nm in the evening. 
.fri...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: se 3 ft at 7 seconds and w 2 ft at 4 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 4 seconds and w 3 ft at
4 seconds. 
.sat and sat night...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: w 3 ft at 4 seconds and sw 2 ft at
4 seconds. 
.sun and sun night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: w 2 ft at 4 seconds and se 1 foot at 9 seconds. 
.mon...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. showers likely. 
.mon night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
4 to 6 ft. showers likely.  

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.

$$

fzus51 kgyx 181748
cwfgyx
expires:202606190800;;967887

coastal waters forecast
national weather service gray me
148 pm edt thu jun 18 2026

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


anz154-190800-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
148 pm edt thu jun 18 2026

...gale warning in effect until 8 pm edt this evening...
...tornado watch 353 in effect until 7 pm edt this evening...

.this afternoon...s winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. wave detail: se 7 ft at 8 seconds and se 5 ft at
5 seconds. a chance of showers with a slight chance of tstms early,
then showers with a chance of tstms late. patchy fog. vsby 1 nm or
less. 
.tonight...s winds 20 to 25 kt with gusts up to 35 kt, becoming sw
10 to 15 kt with gusts up to 20 kt after midnight. seas 5 to 7 ft.
wave detail: se 7 ft at 7 seconds. showers likely with scattered
tstms in the evening with vsby 1 to 3 nm. 
.fri...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to 5 ft.
wave detail: se 5 ft at 7 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: se 3 ft at 8 seconds and sw 2 ft at 4 seconds. 
.sat...w winds 10 to 15 kt with gusts up to 20 kt. seas 2 to 4 ft.
wave detail: w 2 ft at 4 seconds and se 2 ft at 8 seconds. 
.sat night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 3 seconds and se 2 ft at 8 seconds. 
.sun...nw winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. 
.sun night...sw winds around 5 kt. seas around 2 ft in the evening,
then 1 foot or less. 
.mon...sw winds around 5 kt, becoming s in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. a chance of
showers in the afternoon. 
.mon night...s winds 10 to 15 kt, becoming se 15 to 20 kt after
midnight. seas around 2 ft. showers likely.  

winds and seas higher in and near tstms.

$$