When is high tide in Marathon today?

Today in Marathon (local time): high tide at 03:15 (1.5 ft), low tide at 09:38 (0.2 ft).

Marathon Tide Chart Today & 7-Day Tide Times

Right now

Rising

0.6 ft · high in 13 h 40

Next high tide 4:01 AM1.4 ft · tomorrow

Next low tide 10:22 AM0.2 ft · tomorrow

Tidal range today 1.2ftbetween high and low water

Harmonic constants published by NOAANot for navigation

Marathon tide chart today

High tideLow tideNow

Wednesday, October 14

High tide3:15 AM

1.5 ft

Low tide9:38 AM

0.2 ft

Marathon tide chart: next 7 days

TodayOct 14

High3:15 AM1.5 ft
Low9:38 AM0.2 ft

ThursdayOct 15

High4:01 AM1.4 ft
Low10:22 AM0.2 ft

FridayOct 16

High4:47 AM1.4 ft
Low11:09 AM0.2 ft

SaturdayOct 17

High5:33 AM1.4 ft
Low11:58 AM0.3 ft

SundayOct 18

High6:22 AM1.3 ft
Low12:50 PM0.3 ft

MondayOct 19

High7:15 AM1.2 ft
Low1:47 PM0.4 ft

TuesdayOct 20

High8:15 AM1.2 ft
Low2:46 PM0.6 ft

This year in Marathon

Highest tide1.6ftOctober 30, 2026, 4:00 AM

Lowest tide-0.6ftMarch 13, 2027, 10:40 PM

Spring tide range1.3ftneap tides: 0.6 ft

King tidesOct 2, 2026 · Oct 14, 2026 · Oct 30, 2026 · Nov 9, 2026 · Nov 25, 2026

Boat ramps and marinas near Marathon

Boat ramps

City of Marathon 33rd Street Boat Ramp 0.3 mi
Harbour Point Marine (No Parking - In and Out Only) 0.5 mi
Sombrero Beach Kayak Launch 1.5 mi
North Marathon Shores Public Boat Ramp (aka. Dodge Lake) 2.1 mi
Marathon Oceanfront Park Kayak Launch Dock 3.0 mi
Crawl Key (Mile Marker 54) Public Boat Ramp 4.7 mi

Marinas

Marlin Bay Resort & Marina 0.2 mi
Boot Key Harbor Marathon City Marina 0.3 mi
Banana Bay Resort & Marina 0.4 mi
Blackfin Resort and Marina 0.5 mi
Faro Blanco Resort & Yacht Club 1.0 mi
Coast Guard Basin 1.0 mi

Check the tide before you launch: some ramps get too shallow at low tide.

NOAA

Calculated by Marinalo from the Vaca Key, Florida Bay tide station, 1.7 km from Marathon: harmonic constants published by NOAA CO-OPS (public domain). Heights above Mean Lower Low Water (MLLW), the US chart datum. Times in local time (America/New_York), daylight saving included. Place names: GeoNames, CC BY 4.0. Astronomical tides only: wind and air pressure can change the water level. Not for navigation: check NOAA Tides & Currents before going out. How we calculate tides.