Point Forecast: 4NM WSW Biscayne Bay FL
 25.6N 80.23W
Last Update: 2:31 am EDT Aug 18, 2026
Tabular Forecast
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Weather ElementsMarine WeatherProbabilistic Forecasts (Experimental)
Description | Survey
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Swell Period
Swell Hgt/Dir
Swell 2 Period
Swell 2 Hgt/Dir
Wind Wave Height
Significant Wave Height
Freezing Spray
Quantitative Precipitation     info
    0.100.250.501.00

48-Hour Period Starting:       Back 2 Days  

Date08/1808/19
Hour (EDT)030405060708091011121314151617181920212223000102
Surface Wind (kt)888777655358101213141413111111101010
Wind DirWWWWNWWNWNWNWWNWWNWSSESESSESSSSSWWSWWWNWNWWNWWNW
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m) 000000000000000000000000
Swell Dir250270280290300300300300330110110120140140150150170190200200250270270270
Swell Period (sec) 211111111122222222222222
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 000000000000022222220000
Wind Wave Height (m)

Date08/20
Hour (EDT)030405060708091011121314151617181920212223000102
Surface Wind (kt)10101010109875469101112121110888776
Wind DirWWNWWNWWNWNWNWNWNWNNWNESESESESSESSESSSWWWSWWSWWW
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m) 000000000000000000000000
Swell Dir270270270280290290290290290250110120120140150160190190190190200200200200
Swell Period (sec) 222222222122222222222211
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 000000000000022222200000
Wind Wave Height (m)

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