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Nantucket, MA tide chart and marine alerts

NOAA station 8449130 · 41.285°N, 70.097°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 8449130

Nantucket, MA

Tide now2.1 ft↑ rising · predicted

Next high2:39 AM2.6 ft

Next low7:55 AM0.9 ft

WindENE 18 ktgusts 30
Water54°F
Air50°F
NOAA sensors · 12:36 AM

Gale Warning until Fri 7:00 PM

NOAA sensor 3.8 ft at 12:36 AM (+1.8 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	2:39 AM 2.6 ft2:28 PM 3.5 ft	7:55 AM 0.9 ft8:49 PM 0.3 ft	6:25 AM 4:24 PM	Waxing crescent 18%
Sat, Nov 14	3:23 AM 2.6 ft3:13 PM 3.4 ft	8:41 AM 0.9 ft9:36 PM 0.3 ft	6:26 AM 4:23 PM	Waxing crescent 25%
Sun, Nov 15	4:11 AM 2.6 ft4:01 PM 3.3 ft	9:31 AM 1.0 ft10:23 PM 0.4 ft	6:27 AM 4:22 PM	Waxing crescent 34%
Mon, Nov 16	4:59 AM 2.6 ft4:52 PM 3.2 ft	10:23 AM 1.0 ft11:08 PM 0.4 ft	6:29 AM 4:21 PM	Waxing crescent 43%
Tue, Nov 17	5:47 AM 2.7 ft5:44 PM 3.1 ft	11:17 AM 1.0 ft11:53 PM 0.5 ft	6:30 AM 4:20 PM	First quarter 53%
Wed, Nov 18	6:33 AM 2.8 ft6:37 PM 3.0 ft	12:11 PM 0.9 ft	6:31 AM 4:19 PM	Waxing gibbous 63%
Thu, Nov 19	—	12:37 AM 0.5 ft	6:32 AM 4:19 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
High	2:39 AM	2.6 ft
Low	7:55 AM	0.9 ft
High	2:28 PM	3.5 ft
Low	8:49 PM	0.3 ft

Tomorrow Saturday, Nov 14

Tide	Time (EST)	Height
High	3:23 AM	2.6 ft
Low	8:41 AM	0.9 ft
High	3:13 PM	3.4 ft
Low	9:36 PM	0.3 ft

Sunday Sunday, Nov 15

Tide	Time (EST)	Height
High	4:11 AM	2.6 ft
Low	9:31 AM	1.0 ft
High	4:01 PM	3.3 ft
Low	10:23 PM	0.4 ft

Active NWS alerts

Gale Warning until Fri 7:00 PM. Cape Cod Bay; Nantucket Sound; Vineyard Sound; Buzzards Bay; Rhode Island Sound; Block Island Sound; Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket; Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island; Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM; Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. NWS Boston/Norton MA

Marine forecast ANZ232 · Nantucket Sound

Overnight: NE winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 5 seconds and SW 2 ft at 6 seconds. Rain.
Fri: NE winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and SE 1 foot at 12 seconds. Rain likely.
Fri Night: N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and S 1 foot at 9 seconds. A chance of rain in the evening.
Sat: NW winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 8 seconds and N 2 ft at 3 seconds.
Sat Night through Sun Night: NW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E 1 foot at 7 seconds.
Mon through Tue Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 1 foot at 6 seconds. 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.

National Weather Service, issued Thu 10:03 PM EST. Official forecast for ANZ232

Unusual tides here

We flag a predicted high at or above 5.4 ft MLLW (NOAA's minor high-tide flooding threshold for this station). We flag a predicted low at or below −1.0 ft MLLW. Mean higher high water is 3.6 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 3.8 ft at 12:36 AM.

Nearby stations

Hyannis Port, MA 26 mi
Chatham Harbor, Aunt Lydias Cove, MA 29 mi
Sesuit Harbor, East Dennis, MA 32 mi
Woods Hole, MA 34 mi
Cape Cod Canal, Sagamore, MA 41 mi
Penikese Island, MA 44 mi

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Nantucket, MA: common questions

When is the next high tide at Nantucket, MA?

NOAA predicts the next high tide at Nantucket, MA at Fri 2:39 AM EST, 2.6 ft above mean lower low water (MLLW).

When is the next low tide at Nantucket, MA?

The next predicted low tide is at Fri 7:55 AM EST, 0.9 ft relative to MLLW.

What is the water temperature at Nantucket, MA?

NOAA's sensor at station 8449130 read 54°F at Fri 12:36 AM EST.

Is there a marine alert for Nantucket, MA right now?

Yes: Gale Warning (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 Nantucket, MA?

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.