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: 1253 PM EDT TUE AUG 25 2026

Lightning Observed
Temp: 91°F
  • Humidity:
  • 57%
  • Winds:
  • 5 MPH VRB
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.05 in.
  • Dewpoint:
  • 74°F
  • Heat index:
  • 100°F

  • Sunrise:
  • 6:56 AM EDT
  • Sunset:
  • 7:45 PM EDT
  • Moonrise:
  • 6:25 PM EDT
  • Moonset:
  • 4:28 AM EDT

TONIGHT

CHANCE OF T-STORM
Lo: 77°F
Precip: 50%

WEDNESDAY

PARTLY SUNNY
Hi: 91°F
Lo: 77°F
Precip: 60%

THURSDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 77°F
Precip: 50%

FRIDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 79°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 222 PM EDT Tue Aug 25 2026

Tonight...Partly cloudy. A slight chance of showers and thunderstorms this evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 70s. East winds 5 to 10 mph. Chance of rain 50 percent.
Wednesday...Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Humid with highs in the lower 90s. Temperature falling into the upper 80s in the afternoon. Southeast winds 5 to 10 mph. Chance of rain 60 percent.
Wednesday Night...Mostly cloudy in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. East winds 5 to 10 mph. Chance of rain 40 percent.
Thursday...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 105.
Thursday Night...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the upper 70s. East winds 5 to 10 mph. Chance of rain 50 percent.
Friday...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105.
Friday Night...Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 50 percent.
Saturday...Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 105.
Saturday Night...Partly cloudy. Showers and thunderstorms likely, mainly in the evening. Lows around 80. Chance of rain 60 percent.
Sunday...Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70 percent. Heat index values up to 105.
Sunday Night...Partly cloudy. Showers and thunderstorms likely in the evening. Lows around 80. Chance of rain 70 percent.
Monday...Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70 percent. Heat index values up to 105.
Monday Night...Partly cloudy. Showers and thunderstorms likely, mainly in the evening. Lows in the upper 70s. Chance of rain 70 percent.
Tuesday...Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70 percent.
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