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Ship John Shoal, NJ tide chart and marine alerts

NOAA station 8537121 · 39.305°N, 75.377°W. Get an email only when the NWS issues a marine or coastal alert here, or the tide runs unusually high or low.

NOAA station 8537121

Ship John Shoal, NJ

Tide now4.0 ft↓ falling · predicted

Next high12:07 PM6.1 ft

Next low6:03 AM0.7 ft

WindNW 21 ktgusts 26
Water58°F
Air51°F
NOAA sensors · 1:36 AM

Small Craft Advisory until Fri 6:00 PM

NOAA sensor 5.7 ft at 1:36 AM (+1.5 ft vs prediction)Times EST · NOAA source

Today and tomorrow

Next 7 days Shape drawn between NOAA's predicted highs and lows

7-day tides, sun and moon Times EST · feet above MLLW

Day	High tides	Low tides	Sunrise Sunset	Moon
Fri, Nov 13	12:07 PM 6.1 ft	6:03 AM 0.7 ft6:56 PM 0.7 ft	6:42 AM 4:49 PM	Waxing crescent 18%
Sat, Nov 14	12:40 AM 4.9 ft12:48 PM 5.9 ft	6:43 AM 0.8 ft7:39 PM 0.8 ft	6:43 AM 4:48 PM	Waxing crescent 25%
Sun, Nov 15	1:25 AM 4.8 ft1:34 PM 5.8 ft	7:28 AM 0.9 ft8:25 PM 0.8 ft	6:44 AM 4:47 PM	Waxing crescent 34%
Mon, Nov 16	2:12 AM 4.8 ft2:23 PM 5.7 ft	8:19 AM 1.0 ft9:13 PM 0.8 ft	6:45 AM 4:47 PM	Waxing crescent 43%
Tue, Nov 17	3:03 AM 4.8 ft3:17 PM 5.6 ft	9:15 AM 1.0 ft10:02 PM 0.7 ft	6:46 AM 4:46 PM	First quarter 53%
Wed, Nov 18	3:57 AM 5.0 ft4:13 PM 5.5 ft	10:14 AM 0.9 ft10:52 PM 0.6 ft	6:47 AM 4:45 PM	Waxing gibbous 63%
Thu, Nov 19	4:51 AM 5.2 ft5:11 PM 5.5 ft	11:13 AM 0.8 ft11:41 PM 0.4 ft	6:49 AM 4:45 PM	Waxing gibbous 73%

Tides: NOAA CO-OPS predictions. Sun and moon: computed for this station's coordinates with NOAA's solar equations and standard lunar formulas.

Today Friday, Nov 13

Tide	Time (EST)	Height
Low	6:03 AM	0.7 ft
High	12:07 PM	6.1 ft
Low	6:56 PM	0.7 ft

Tomorrow Saturday, Nov 14

Tide	Time (EST)	Height
High	12:40 AM	4.9 ft
Low	6:43 AM	0.8 ft
High	12:48 PM	5.9 ft
Low	7:39 PM	0.8 ft

Sunday Sunday, Nov 15

Tide	Time (EST)	Height
High	1:25 AM	4.8 ft
Low	7:28 AM	0.9 ft
High	1:34 PM	5.8 ft
Low	8:25 PM	0.8 ft

Active NWS alerts

Small Craft Advisory until Fri 6:00 PM. Delaware Bay waters north of East Point NJ to Slaughter Beach DE; Delaware Bay waters south of East Point NJ to Slaughter Beach DE. NWS Mount Holly NJ

Marine forecast ANZ430 · Delaware Bay waters north of East Point NJ to Slaughter Beach DE

Overnight: W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 20 to 25 kt with gusts up to 30 kt. Seas 1 to 2 ft. Wave Detail: W 2 ft at 3 seconds. A slight chance of showers late this evening. A slight chance of rain, then a chance of rain late.
Fri: NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 1 to 2 ft. Wave Detail: NW 2 ft at 3 seconds. Rain likely, mainly in the morning.
Fri Night: NW winds 15 to 20 kt with gusts up to 25 kt. Seas 1 to 2 ft. Wave Detail: NW 2 ft at 3 seconds. A chance of rain in the evening.
Sat: NW winds 15 to 20 kt with gusts up to 30 kt. Seas 1 to 2 ft. Wave Detail: NW 2 ft at 3 seconds.
Sat Night: NW winds 15 to 20 kt with gusts up to 25 kt. Seas 1 to 2 ft. Wave Detail: NW 2 ft at 3 seconds.
Sun: NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds.
Sun Night: NW winds 10 to 15 kt. Seas 1 to 2 ft in the evening, then 1 foot or less.
Mon: NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 1 foot or less.
Mon Night: NW winds 5 to 10 kt. Seas 1 foot or less.
Tue: NW winds 5 to 10 kt. Seas 1 foot or less.

National Weather Service, issued Thu 10:50 PM EST. Official forecast for ANZ430

Unusual tides here

We flag a predicted high at or above 7.8 ft MLLW (0.5 m above mean higher high water (MHHW), NOAA's national proxy for minor high-tide flooding, because NOAA lists no station threshold). We flag a predicted low at or below −1.0 ft MLLW. Mean higher high water is 6.2 ft.

No predicted tide in the next few days crosses either line.

Official sources

Predictions are astronomical tides. Wind and pressure can move the real water level a foot or more. NOAA's sensor here read 5.7 ft at 1:36 AM.

Nearby stations

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Ship John Shoal, NJ: common questions

When is the next high tide at Ship John Shoal, NJ?

NOAA predicts the next high tide at Ship John Shoal, NJ at Fri 12:07 PM EST, 6.1 ft above mean lower low water (MLLW).

When is the next low tide at Ship John Shoal, NJ?

The next predicted low tide is at Fri 6:03 AM EST, 0.7 ft relative to MLLW.

What is the water temperature at Ship John Shoal, NJ?

NOAA's sensor at station 8537121 read 58°F at Fri 1:36 AM EST.

Is there a marine alert for Ship John Shoal, NJ right now?

Yes: Small Craft Advisory (National Weather Service).

What are these tide heights measured from?

Heights are in feet above mean lower low water (MLLW), the average of the lower of the two daily low tides. A negative number means the water is below that average.

How do I get an email when something happens at Ship John Shoal, NJ?

Enter your email at the top of this page. You get one confirmation email, then nothing until the NWS issues a marine or coastal alert here or the tide is predicted unusually high or low. Unsubscribe in one click.