fzus51 kbox 181406
cwfbox
expires:202606190300;;959142

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt thu jun 18 2026

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


anz230-190300-
boston harbor-
1005 am edt thu jun 18 2026

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

.this afternoon...s winds 15 to 20 kt with gusts up to 25 kt,
increasing to 20 to 25 kt with gusts up to 35 kt. waves around
2 ft. a chance of showers, then 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 181406
cwfbox
expires:202606190300;;959131

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt thu jun 18 2026

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


anz250-190300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt thu jun 18 2026

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

.this afternoon...s winds 20 to 25 kt. gusts up to 25 kt,
increasing to 40 kt. seas 3 to 4 ft, building to 4 to 6 ft. wave
detail: se 4 ft at 4 seconds and se 1 foot at 7 seconds, becoming
se 6 ft at 6 seconds and w 1 foot at 7 seconds. a slight chance
of showers, then a chance of showers with a slight chance of
tstms. patchy fog with 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 sw 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: w 3 ft at 4 seconds and sw 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.

$$