Marine Forecast

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TONIGHT East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers.
TUESDAY AND TUESDAY NIGHT East to southeast winds near 10 knots. Seas around 2 feet. Nearshore waters a light chop. A slight chance of showers.
WEDNESDAY East to southeast winds near 10 knots, decreasing to near 5 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light chop, becoming smooth to a light chop. A slight chance of showers.
WEDNESDAY NIGHT Southeast winds near 5 knots, becoming south to southwest. Seas around 1 foot. Nearshore waters smooth. A slight chance of showers.
THURSDAY Southwest winds 5 to 10 knots, becoming southwest to west and increasing to near 10 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light chop. A slight chance of showers and thunderstorms.
THURSDAY NIGHT West to northwest winds 10 to 15 knots. Seas around 2 feet. Nearshore waters smooth to a light chop. A chance of showers.
FRIDAY Northwest winds 10 to 15 knots, increasing to near 15 knots. Seas building to 2 to 3 feet, except building to 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters a light to moderate chop, becoming a moderate chop. A slight chance of showers and thunderstorms.
FRIDAY NIGHT Northwest to north winds 15 to 20 knots, increasing to near 20 knots. Seas 3 to 4 feet, occasionally to 5 feet, except 4 to 5 feet, occasionally to 6 feet west of Cosgrove Shoal Light. Nearshore waters choppy, becoming rough.
SATURDAY North winds near 20 knots, decreasing to near 15 knots. Seas subsiding to 2 to 3 feet, except subsiding to 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy, becoming a light to moderate chop.
SATURDAY NIGHT North to northeast winds near 15 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters a moderate chop.

Issued Mon, Nov 9 9:20 PM EST · NWS zone GMZ043

Marathon and Middle Florida Keys Nautical Charts

NOAA nautical charts with your GPS position and a wind map for Marathon and Middle Florida Keys in the Wind and Tides app

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Weather

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Tonight
78°F
Slight Chance Rain Showers
10 to 15 mph E
Tuesday
83°F
Slight Chance Rain Showers
15 mph E
Tuesday Night
78°F
Slight Chance Rain Showers
10 to 15 mph E
Veterans Day
83°F
Slight Chance Rain Showers
5 to 10 mph SE

Issued Mon, Nov 9 11:15 PM EST · Forecast for Duck Key

Tides and Currents

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Time (EST) Event Height/Speed
Mon, Nov 9 11:15 PM slack slack
Tue, Nov 10 2:39 AM ebb 2.2 kts
Tue, Nov 10 3:09 AM low 0.1 ft
Tue, Nov 10 6:19 AM slack slack
Tue, Nov 10 9:33 AM high 2.0 ft
Tue, Nov 10 9:53 AM flood 1.5 kts
Tue, Nov 10 12:49 PM slack slack
Tue, Nov 10 2:55 PM low 0.8 ft
Tue, Nov 10 3:29 PM ebb 1.4 kts
Tue, Nov 10 6:14 PM slack slack
Tue, Nov 10 8:45 PM flood 1.4 kts
Tue, Nov 10 9:07 PM high 2.5 ft
Marine weather for Hawk Channel, the reef, Boot Key Harbor, and the Seven Mile Bridge — the Channel 5 Bridge, Long Key, the Long Key Bridge, Conch Key, Duck Key, Grassy Key, Key Colony Beach, Vaca Cut, Coffins Patch, Sombrero Reef, Sombrero Key Lighthouse, Vaca Key, Marathon City Marina, the Marathon Yacht Club, Pigeon Key, Moser Channel, and Marathon, Florida. Wind, Marathon tides and the Marathon tide chart, Key Colony Beach tides, Long Key tides, bayside water temperature at Marathon, the Marathon marine weather forecast, the Marathon boating forecast, the Hawk Channel marine forecast, the Marathon wind forecast, and conditions for sailing, boating, diving, snorkeling, reef and backcountry fishing, kayaking, paddleboarding, and kiteboarding.