Marine Weather Net

Bay Harbor Islands, FL Weather Forecast


Marine Forecast: Biscayne Bay


Bay Harbor Islands, Florida

 Lat: 25.89N, Lon: 80.13W

Current Conditions Updated: 353 AM EST SAT FEB 21 2026

Clear


Temp: 66°F
  • Humidity:
  • 96%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.02 in.
  • Dewpoint:
  • 65°F
  • Heat index:
  • 66°F

  • Sunrise:
  • 6:51 AM EST
  • Sunset:
  • 6:15 PM EST
  • Moonrise:
  • 9:15 AM EST
  • Moonset:
  • 10:39 PM EST

TODAY

MOSTLY SUNNY
Hi: 85°F
Lo: 61°F

SUNDAY

SUNNY

Hi: 85°F
Lo: 47°F
Precip: 40%

MONDAY

SUNNY

Hi: 65°F
Lo: 59°F

THURSDAY

PARTLY CLOUDY
Hi: 81°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 122 AM EST Sat Feb 21 2026

Today...Patchy fog this morning. Mostly sunny. Highs in the mid 80s. Southeast winds 5 to 10 mph.
Tonight...Mostly clear. Patchy fog after midnight. Lows in the lower 60s. South winds around 5 mph in the evening, becoming light and variable.
Sunday...Sunny. Patchy fog in the morning. A chance of showers in the afternoon. Highs in the mid 80s. West winds 10 to 15 mph. Chance of rain 40 percent.
Sunday Night...Partly cloudy in the evening, then clearing. Much cooler. Less humid with lows in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Monday...Sunny. Much cooler with highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Monday Night And Tuesday...Clear. Lows around 40. Highs in the mid 60s.
Tuesday Night And Wednesday...Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
Wednesday Night...Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the upper 50s.
Thursday...Partly cloudy. Highs in the lower 80s. Lows in the mid 60s.
Friday...Partly cloudy. Highs in the lower 80s. Lows in the mid 60s.
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