HomeForecastsPennsylvania ForecastsMantua, NJ - Mantua Creek, N.J. Coastal Forecast

Mantua, NJ - Mantua Creek, N.J. Coastal Forecast

FZUS51 KPHI 212302
CWFPHI

Coastal Waters Forecast for New Jersey and Delaware
National Weather Service Mount Holly NJ
702 PM EDT Wed May 21 2025

Sandy Hook NJ to Fenwick Island DE to 20 NM offshore and Delaware
Bay

ANZ400-221215-
702 PM EDT Wed May 21 2025

.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
Low pressure moves east into the Ohio Valley, and a secondary
low will form over the Mid-Atlantic. This low slowly lifts to the
north and east and will merge with the primary low over New
England late this week. High pressure briefly builds through the
region late this weekend. Low pressure may pass near or south of
the area early next week.

$$

ANZ450-221215-
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
702 PM EDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...E winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Seas 4 to 6 ft, building to 6 to 8 ft after midnight.
Wave Detail: E 6 ft at 6 seconds, becoming E 7 ft at 7 seconds.
Patchy fog early this evening. Patchy fog late this evening.
Patchy drizzle this evening. Periods of rain. A slight chance of
tstms after midnight. Vsby 1 to 3 NM.
.THU...NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 7 to 9 ft. Wave Detail: E 9 ft at 9 seconds.
Areas of drizzle. Periods of rain in the morning, then a chance
of showers in the afternoon. Areas of fog in the afternoon. Vsby
1 to 3 NM.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to
8 ft, subsiding to 4 to 6 ft after midnight. Wave Detail: E 8 ft
at 9 seconds, becoming E 6 ft at 9 seconds. A chance of showers
with areas of drizzle in the evening. Areas of fog in the
evening.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt, increasing to
20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 3 to
5 ft. Wave Detail: E 5 ft at 9 seconds and N 3 ft at 4 seconds. A
chance of showers in the afternoon.
.FRI NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 2 to 4 ft. Wave Detail: E 4 ft at 9 seconds
and W 2 ft at 3 seconds. A chance of showers in the evening.
.SAT...W winds around 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...NW winds around 5 kt, becoming SE around 5 kt in the
afternoon. Seas around 2 ft in the morning, then 1 foot or less.
.MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$

ANZ451-221215-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 nm-
702 PM EDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...E winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Seas 5 to 7 ft. Wave Detail: E 7 ft at 6 seconds.
Patchy fog this evening. Periods of rain early this evening, then
a chance of rain with patchy drizzle late this evening. Periods
of rain with a chance of tstms after midnight. Vsby 1 to 3 NM.
.THU...E winds 20 to 25 kt, becoming N in the afternoon. Seas
6 to 9 ft. Wave Detail: NE 9 ft at 9 seconds. Periods of rain
with possible tstms and drizzle in the morning, then a chance of
showers with areas of drizzle in the afternoon. Patchy fog in the
morning, then areas of fog in the afternoon. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 5 to 8 ft. Wave Detail: E 8 ft at 9 seconds. Patchy fog in
the evening. Patchy drizzle in the evening, then a chance of
showers after midnight.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt, increasing to
20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 3 to
5 ft. Wave Detail: E 5 ft at 9 seconds and W 2 ft at 3 seconds.
.FRI NIGHT...W winds 20 to 25 kt, diminishing to around 15 kt
after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds
and W 3 ft at 4 seconds.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft.
.SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.

Winds and seas higher in and near tstms.

$$

ANZ452-221215-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out
20 nm-
702 PM EDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: E 6 ft at 6 seconds. Patchy fog early this
evening. Patchy fog late this evening. A slight chance of tstms
with patchy drizzle this evening. Periods of rain. A chance of
tstms after midnight. Vsby 1 to 3 NM.
.THU...E winds 15 to 20 kt, becoming N in the afternoon. Gusts up
to 30 kt. Seas 5 to 8 ft. Wave Detail: NE 8 ft at 8 seconds.
Patchy drizzle. Periods of rain with a chance of tstms in the
morning, then a chance of showers in the afternoon. Patchy fog.
Vsby 1 to 3 NM.
.THU NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Seas 5 to 7 ft. Wave Detail: E 7 ft at 9 seconds.
Patchy fog in the evening. A chance of showers with patchy
drizzle in the evening, then a chance of showers after midnight.
Vsby 1 to 3 NM in the evening.
.FRI...W winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and W
3 ft at 4 seconds.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and W 3 ft at
4 seconds.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming
NW 10 to 15 kt after midnight. Seas 2 to 3 ft.
.SUN...W winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft.
.MON NIGHT...SE winds around 10 kt. Seas 1 foot or less. A chance
of showers.

Winds and seas higher in and near tstms.

$$

ANZ453-221215-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
702 PM EDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: E 6 ft at 6 seconds. Patchy fog early this
evening. A slight chance of tstms with patchy drizzle this
evening. Periods of rain. A chance of tstms after midnight. Vsby
1 to 3 NM.
.THU...NE winds 10 to 15 kt, becoming N 15 to 20 kt in the
afternoon. Seas 5 to 6 ft. Wave Detail: E 6 ft at 7 seconds. A
chance of tstms with patchy drizzle. Rain likely in the morning,
then a chance of showers in the afternoon. Patchy fog. Vsby 1 to
3 NM.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Wave Detail: E 6 ft at 9 seconds. Showers likely,
mainly in the evening with vsby 1 to 3 NM.
.FRI...W winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and
NW 2 ft at 3 seconds.
.FRI NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft at 9 seconds
and W 2 ft at 3 seconds.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...W winds around 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less, then
around 2 ft after midnight. A chance of showers.

Winds and seas higher in and near tstms.

$$

ANZ454-221215-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
702 PM EDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...E winds 20 to 25 kt, diminishing to 15 to 20 kt late.
Seas 4 to 6 ft. Wave Detail: E 6 ft at 6 seconds. Patchy fog
early this evening. A slight chance of tstms with patchy drizzle
this evening. Periods of rain. A chance of tstms after midnight.
Vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt, becoming N 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NE 6 ft at 7 seconds and
NW 2 ft at 3 seconds. Patchy fog in the morning. A chance of rain
with patchy drizzle in the morning, then showers likely with a
chance of tstms in the afternoon. Vsby 1 to 3 NM in the morning.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: E 6 ft at 9 seconds and NW 3 ft at
4 seconds. Showers likely in the evening.
.FRI...W winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and
NW 3 ft at 4 seconds.
.FRI NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds
and NW 3 ft at 4 seconds.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds 15 to 20 kt, diminishing to around 10 kt
after midnight. Seas 2 to 3 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. A chance of showers.
.MON NIGHT...SE winds around 10 kt. Seas 1 foot or less, then
around 2 ft after midnight. A chance of showers.

Winds and seas higher in and near tstms.

$$

ANZ455-221215-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
702 PM EDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...E winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Seas 4 to 6 ft. Wave Detail: E 6 ft at 6 seconds.
Patchy fog early this evening. Patchy fog after midnight. A
slight chance of tstms this evening. Periods of rain with patchy
drizzle. A chance of tstms after midnight. Vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NE 6 ft at 7 seconds and
N 2 ft at 4 seconds. Patchy fog in the morning. A chance of rain
with patchy drizzle in the morning, then showers likely with a
chance of tstms in the afternoon. Vsby 1 to 3 NM in the morning.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: NE 6 ft at 8 seconds and N 3 ft at
4 seconds. A chance of showers in the evening.
.FRI...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 9 seconds and NW 3 ft at 4 seconds.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. Wave Detail: E 4 ft at 9 seconds and NW 3 ft at
4 seconds.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. A chance of showers.
.MON NIGHT...SE winds around 10 kt. Seas 1 foot or less, then
around 2 ft after midnight. A chance of showers.

Winds and seas higher in and near tstms.

$$

ANZ431-221215-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
702 PM EDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT THURSDAY...

.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 4 ft at 5 seconds. Patchy fog early this
evening. Patchy fog late this evening. A slight chance of tstms
with patchy drizzle this evening. Periods of rain. A chance of
tstms after midnight. Vsby 1 to 3 NM.
.THU...N winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 4 seconds. Patchy fog in the morning. A chance of rain with
patchy drizzle in the morning, then showers likely with a chance
of tstms in the afternoon. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and SE 3 ft at
8 seconds. Showers likely in the evening with vsby 1 to 3 NM.
.FRI...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft. Wave Detail: NW 3 ft at 4 seconds and SE 2 ft at 9 seconds.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at
8 seconds.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 2 to 3 ft.
.SUN...NW winds around 10 kt. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft in the evening,
then 1 foot or less. A chance of showers.
.MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
1 foot or less. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance
of showers.

Winds and seas higher in and near tstms.

$$

ANZ430-221215-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
702 PM EDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT THURSDAY...

.TONIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds.
Patchy fog early this evening. Patchy fog late this evening.
Periods of rain with possible tstms and drizzle this evening,
then periods of rain with a chance of tstms after midnight. Vsby
1 to 3 NM.
.THU...N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. Seas around 2 ft. Wave Detail: N
2 ft at 4 seconds. Patchy drizzle. Rain likely in the morning,
then showers likely with a chance of tstms in the afternoon.
Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 1 foot at
7 seconds. Showers in the evening, then patchy drizzle after
midnight. Patchy fog after midnight. Vsby 1 to 3 NM in the
evening.
.FRI...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas around 2 ft. Wave Detail: NW
2 ft at 3 seconds and SE 1 foot at 8 seconds.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 1 foot
at 7 seconds.
.SAT...W winds 15 to 20 kt. Seas around 2 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas around 2 ft.
.SUN...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft in the evening,
then 1 foot or less. A chance of showers.
.MON...N winds around 5 kt, becoming SE in the afternoon. Seas
1 foot or less. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance
of showers.

Winds and seas higher in and near tstms.

$$


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