Marine forecast
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Marathon

Tuesday 20 October

Sunny

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Poor diving today

2.2 ft of swell, a 0.1 second period, 20 mph out of the NE. Not a day for it.

Morning Poor 2.2 ft · 20 mph NE
Afternoon Poor 2 ft · 20 mph ENE
2.2ft Swell
0.1s Period
20NE Wind
77° Water
6 boats going out from Marathon today

How we score conditions

Next 7 days morning / afternoon

Today Oct 20 PoorAM PoorPM 2.2 ft 0.1s
20 NE
6 boats Wed Oct 21 AverageAM GoodPM 1.6 ft 4.4s
20 NNE
6 boats Thu Oct 22 GoodAM GoodPM 0.6 ft 3.2s
11 NNE
6 boats Fri Oct 23 PoorAM PoorPM 1.4 ft 2.6s
24 ENE
6 boats Sat Oct 24 PoorAM PoorPM 2.2 ft 2.6s
22 NE
6 boats Sun Oct 25 No DiveAM No DivePM 3.6 ft 2.6s
27 ENE
6 boats Mon Oct 26 PoorAM PoorPM 3.3 ft 2.6s
25 ENE
6 boats

Along the coast today tap to switch S to N

Key West Poor 3.1 ft 5.4s Marathon Poor 2.2 ft 0.1s Islamorada Poor 3.2 ft 0.1s Key Largo Poor 3.2 ft 0.1s Miami Beach Poor 6 ft 12.1s Fort Lauderdale Poor 6 ft 11.8s Pompano Beach Poor 6 ft 11.8s Deerfield Beach Poor 6.5 ft 12s Boynton Beach Poor 6.5 ft 12s West Palm Beach Poor 7.3 ft 12s Jupiter Poor 8.6 ft 12.1s Stuart Poor 7.5 ft 12.3s Port St Lucie Poor 7.5 ft 12.3s
All locationstap a pin to switch
Map of Florida
Tides and daylightMarathon
  • Low 01:24
  • High 07:58
  • Low 15:21
  • Sunrise and sunset07:24 AM · 06:53 PM
Charts and the full tablewaves, wind, air, humidity, rain

Waves (ft)

Last update: 2026-10-20 07:00:25

Winds (mph)

Last update: 2026-10-20 07:00:25

Extended forecast

Tuesday-20 Wednesday-21 Thursday-22 Friday-23 Saturday-24 Sunday-25 Monday-26
AMPM AMPM AMPM AMPM AMPM AMPM AMPM
Weather
Sunny Sunny Patchy rain nearby Patchy rain nearby Light rain shower Light rain shower Light rain shower
Sunny Sunny Patchy rain nearby Patchy rain nearby Light rain shower Light rain shower Light rain shower
Temp (f) 72° - 80° 70° - 79° 69° - 79° 77° - 79° 75° - 78° 75° - 79° 78° - 79°
Humidity (%) 72% 66% 70% 71% 79% 83% 80%
Marine
Waves (ft) 2 2 2 1 1 1 1 2 2 2 4 4 3 3
Period (secs) 0 0 4 4 3 3 3 3 3 3 3 3 3 3
Wind (mph) navigation20 navigation20 navigation20 navigation11 navigation11 navigation6 navigation24 navigation23 navigation22 navigation21 navigation27 navigation28 navigation25 navigation24
Water temp (f) 77° 77° 81° 81° 81° 81° 77° 77° 81° 81° 81° 81° 81° 77°
High tide 07:58 none 09:04 none 10:51 19:26 01:26 20:07 01:51 21:00 02:07 21:56 02:12 22:57
Low tide 01:24 15:21 02:40 16:09 03:49 20:04 04:53 21:40 05:52 22:56 06:49 23:58 07:44 19:21
Sunrise / sunset
Sunrise 07:24 07:24 07:24 07:24 07:24 07:24 07:24
Sunset 18:53 18:53 18:53 18:53 18:53 18:53 18:53