ANZ254-151800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
103 AM EDT Sat Aug 15 2026
REST OF TONIGHT
N winds around 10 kt. Seas around 2 ft. Wave
Detail: NW 1 foot at 4 seconds and E 1 foot at 9 seconds.
SAT
N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft
at 5 seconds and NE 2 ft at 7 seconds.
SAT NIGHT
NE winds around 5 kt, becoming W around 5 kt after
midnight. Seas around 2 ft. Wave Detail: N 2 ft at 6 seconds and
S 1 foot at 6 seconds.
SUN
S winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and
E 1 foot at 7 seconds.
SUN NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 1 foot at
8 seconds. A chance of showers after midnight.
MON
SE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: S 5 ft at 5 seconds and SE 3 ft at 10 seconds.
Showers likely.
MON NIGHT
NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers in the evening.
TUE THROUGH WED NIGHT
S winds 10 to 15 kt with gusts up to
20 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.
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