Point Forecast: 4NM E Boston MA
 42.37N 70.98W (Elev. 3 ft)
Last Update: 8:09 pm EDT Jul 19, 2026
Tabular Forecast
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Weather ElementsMarine WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

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

Rain
Thunder
Fog
Swell Period
Swell Hgt/Dir
Swell 2 Period
Wind Wave Height
Significant Wave Height
Freezing Spray
Ceiling Height
Visibility
Thunder Potential

48-Hour Period Starting:       Back 2 Days  

Date07/1907/20
Hour (EDT)212223000102030405060708091011121314151617181920
Surface Wind (kt)444333334444333334556666
Wind DirNWNWNWNWWNWWNWWNWWWWWWWNWWSWSSESESESESESESESSSSW
Gust
Significant Wave Height (ft) 000000000000000000000000
Swell Height (ft)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (ft) 000000000000000000000000

Date07/21
Hour (EDT)212223000102030405060708091011121314151617181920
Surface Wind (kt)6665554444456791010101010101098
Wind DirSSWSSWSSWSSWSSWSSWSSWSSWSSWSSSSSSSESSESSESSESSESSESSESSESESE
Gust
Significant Wave Height (ft) 000000000000000000000000
Swell Height (ft)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (ft) 000000000000000000000000

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