Marine Weather
ANZ400-212100-
401 AM EDT Thu Aug 21 2025
.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
Hurricane Erin will make its closest pass to the Mid Atlantic
through today, bringing significant coastal and marine hazards
to the region. Erin will push farther out to sea tonight into
Friday as weak high pressure will builds into the area, with
fair weather expected through Saturday. A cold front will
approach the region on Sunday, then move offshore by Monday,
bringing more unsettled conditions. Cooler and drier high
pressure will then build into the region into the middle of next
week.
ANZ454-212100-Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 AM EDT Thu Aug 21 2025
TROPICAL STORM WARNING IN EFFECT
TODAY
NE winds 25 to 30 kt with gusts up to 40 kt, increasing
to 30 to 35 kt with gusts up to 45 kt this afternoon. Seas 9 to
12 ft, building to 11 to 15 ft this afternoon. Wave Detail: SE
12 ft at 16 seconds and E 7 ft at 7 seconds, becoming E 15 ft at
13 seconds and SE 8 ft at 8 seconds. A chance of showers.
TONIGHT
N winds 25 to 35 kt with gusts up to 45 kt. Seas 11 to
15 ft, subsiding to 9 to 13 ft after midnight. Wave Detail: E
15 ft at 13 seconds and SE 7 ft at 8 seconds, becoming E 13 ft at
12 seconds and S 6 ft at 7 seconds.
FRI
N winds 20 to 25 kt with gusts up to 30 kt, becoming NE
15 to 20 kt in the afternoon. Seas 9 to 12 ft, subsiding to 8 to
10 ft in the afternoon. Wave Detail: E 12 ft at 12 seconds,
becoming E 10 ft at 12 seconds.
FRI NIGHT
E winds 5 to 10 kt, becoming S after midnight. Seas
6 to 9 ft. Wave Detail: E 9 ft at 12 seconds.
SAT
S winds 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: E 6 ft at
12 seconds.
SAT NIGHT
S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 12 seconds and SE 1 foot at 6 seconds.
SUN
S winds 10 to 15 kt. Seas 4 to 5 ft.
SUN NIGHT
S winds 10 to 15 kt. Seas around 4 ft. A chance of
showers.
MON
SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
MON NIGHT
W winds 5 to 10 kt, becoming NW after midnight. Seas
3 to 4 ft. A chance of showers in the evening.