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Latest Coastal Waters Forecast by KBOX
Issued 5/18/2026 7:05 PM America/New_York.
Valid through 5/19/2026 8:00 AM America/New_York.
fzus51 kbox 182305
cwfbox
expires:202605191200;;792307
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt mon may 18 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz230-191200-
boston harbor-
705 pm edt mon may 18 2026
.tonight...s winds 10 to 15 kt, becoming sw 5 to 10 kt after
midnight. waves around 2 ft this evening, then 1 foot or less.
.tue...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.
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft.
.wed...w winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. showers likely in the afternoon.
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves around 2 ft. a chance of showers in the evening.
.thu and thu night...nw winds 10 to 15 kt. waves around 2 ft.
.fri...e winds 5 to 10 kt. waves 1 foot or less.
.fri night and sat...sw winds 5 to 10 kt, becoming e. waves
1 foot or less. a chance of showers.
.sat night...e winds 5 to 10 kt. waves 1 foot or less. showers
likely.
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.
$$
(2/2)
Latest Coastal Waters Forecast by KBOX
Issued 5/18/2026 7:05 PM America/New_York.
Valid through 5/19/2026 8:00 AM America/New_York.
fzus51 kbox 182305
cwfbox
expires:202605191200;;792296
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt mon may 18 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz250-191200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
705 pm edt mon may 18 2026
.tonight...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 2 ft at 4 seconds and se 2 ft at 8 seconds.
patchy fog. vsby 1 nm or less.
.tue...sw winds 10 to 15 kt with gusts up to 20 kt, becoming s
15 to 20 kt with gusts up to 30 kt in the afternoon. seas 2 to
4 ft. wave detail: sw 4 ft at 4 seconds and se 2 ft at 9 seconds.
patchy fog in the morning with vsby 1 to 3 nm.
.tue night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: sw 4 ft at 5 seconds and se 3 ft at
9 seconds. patchy fog after midnight.
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at 9 seconds.
a chance of showers in the afternoon.
.wed night...w winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 4 ft. wave detail: sw 2 ft at
4 seconds and se 2 ft at 9 seconds. a chance of showers in the
evening.
.thu and thu night...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and n 3 ft at
5 seconds.
.fri...ne winds 5 to 10 kt. seas around 2 ft.
.fri night through sat night...e winds 5 to 10 kt. seas 2 to
3 ft. a chance of showers.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
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