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Marathon (Vaca Key), FL tide chart and marine alerts

NOAA station 8723970 · 24.711°N, 81.106°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 8723970

Marathon (Vaca Key), FL

Tide now1.3 ftslack · predicted

Next high2:36 AM1.3 ft

Next low8:54 AM0.1 ft

WindWNW 4 ktgusts 5
Water83°F
Air80°F
NOAA sensors · 12:30 AM

No active NWS marine or coastal alerts here

NOAA sensor 2.1 ft at 12:30 AM (+0.9 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	2:36 AM 1.3 ft	8:54 AM 0.1 ft	6:38 AM 5:38 PM	Waxing crescent 18%
Sat, Nov 14	3:24 AM 1.3 ft	9:42 AM 0.1 ft	6:39 AM 5:38 PM	Waxing crescent 25%
Sun, Nov 15	4:12 AM 1.3 ft	10:24 AM 0.2 ft	6:40 AM 5:38 PM	Waxing crescent 34%
Mon, Nov 16	5:00 AM 1.2 ft9:06 PM 0.9 ft	11:18 AM 0.3 ft11:12 PM 0.9 ft	6:41 AM 5:37 PM	Waxing crescent 43%
Tue, Nov 17	5:54 AM 1.1 ft9:30 PM 0.9 ft	12:06 PM 0.4 ft	6:41 AM 5:37 PM	First quarter 53%
Wed, Nov 18	6:54 AM 1.0 ft8:06 PM 1.0 ft	12:24 AM 0.8 ft1:00 PM 0.5 ft	6:42 AM 5:37 PM	Waxing gibbous 63%
Thu, Nov 19	—	—	6:43 AM 5:36 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	2:36 AM	1.3 ft
Low	8:54 AM	0.1 ft

Tomorrow Saturday, Nov 14

Tide	Time (EST)	Height
High	3:24 AM	1.3 ft
Low	9:42 AM	0.1 ft

Sunday Sunday, Nov 15

Tide	Time (EST)	Height
High	4:12 AM	1.3 ft
Low	10:24 AM	0.2 ft

Active NWS alerts

No active NWS marine or coastal alerts cover this station right now (checked 12:40 AM EST).

Marine forecast GMZ032 · Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge

Overnight: Northwest winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop.
Friday: Northwest to north winds near 10 knots, increasing to 10 to 15 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore waters a light chop, becoming a light to moderate chop.
Friday Night: North winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop.
Saturday: North to northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters a light to moderate chop.
Saturday Night: North to northeast winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. Nearshore waters a moderate chop.
Sunday: Northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop.
Sunday Night: Northeast to east winds 15 to 20 knots. Seas 2 to 3 feet, building to 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy.
Monday: Northeast to east winds 15 to 20 knots, becoming 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 5 feet, occasionally to 6 feet west of the Marquesas Keys. Nearshore waters choppy, becoming very rough.
Monday Night: Northeast to east winds 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 5 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters very rough. A chance of showers with a slight chance of thunderstorms.
Tuesday: Northeast to east winds 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 6 to 7 feet, occasionally to 9 feet west of the Marquesas Keys. Nearshore waters very rough. A chance of showers with a slight chance of thunderstorms.

National Weather Service, issued Thu 9:33 PM EST. Official forecast for GMZ032

Unusual tides here

We flag a predicted high at or above 2.7 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 1.0 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 2.1 ft at 12:30 AM.

Nearby stations

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Marathon (Vaca Key), FL: common questions

When is the next high tide at Marathon (Vaca Key), FL?

NOAA predicts the next high tide at Marathon (Vaca Key), FL at Fri 2:36 AM EST, 1.3 ft above mean lower low water (MLLW).

When is the next low tide at Marathon (Vaca Key), FL?

The next predicted low tide is at Fri 8:54 AM EST, 0.1 ft relative to MLLW.

What is the water temperature at Marathon (Vaca Key), FL?

NOAA's sensor at station 8723970 read 83°F at Fri 12:30 AM EST.

Is there a marine alert for Marathon (Vaca Key), FL right now?

No. When this page was built, no NWS marine or coastal alert covered this station.

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 Marathon (Vaca Key), FL?

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.