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: 1153 AM EDT FRI AUG 14 2026

Mostly Clear
Temp: 91°F
  • Humidity:
  • 53%
  • Winds:
  • 7 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.16 in.
  • Dewpoint:
  • 72°F
  • Heat index:
  • 98°F

  • Sunrise:
  • 6:51 AM EDT
  • Sunset:
  • 7:55 PM EDT
  • Moonrise:
  • 8:45 AM EDT
  • Moonset:
  • 9:18 PM EDT

TODAY

SUNNY

Hi: 91°F
Lo: 85°F

SATURDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 85°F

SUNDAY

SUNNY

Hi: 95°F
Lo: 79°F

MONDAY

SUNNY

Hi: 95°F
Lo: 79°F
Weather Forecast In Detail:
Forecast Issued: 221 AM EDT Fri Aug 14 2026

HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING
Today...Sunny. Highs in the lower 90s. East winds 5 to 10 mph. Heat index values up to 106.
Tonight...Partly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 80s. East winds 5 to 10 mph. Chance of rain 20 percent.
Saturday...Mostly sunny. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph. Heat index values up to 107.
Saturday Night...Mostly clear. Humid with lows around 80. Southeast winds 5 to 10 mph.
Sunday...Sunny with highs in the mid 90s. Southeast winds 5 to 10 mph. Heat index values up to 107.
Sunday Night...Clear. Lows in the upper 70s.
Monday...Sunny. Highs in the mid 90s. Heat index values up to 110.
Monday Night...Mostly clear. Lows in the upper 70s.
Tuesday...Sunny. Highs in the mid 90s. Heat index values up to 110.
Tuesday Night...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Wednesday...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110.
Wednesday Night...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 70s. Chance of rain 40 percent. Heat index values up to 105 early in the evening.
Thursday...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110.
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