Point Forecast: 5NM NW Port Isabel TX
 26.15N 97.29W
Last Update: 10:15 am CST Jan 20, 2026
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationMarine Weather
Temperature (°C)
Dewpoint (°C)
Wind Chill (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Snow
Freezing Rain
Sleet
Freezing Spray
Fog
Swell Period
Swell Hgt/Dir
Swell 2 Period
Swell 2 Hgt/Dir
Wind Wave Height
Significant Wave Height
Freezing Spray

48-Hour Period Starting:       Back 2 Days  

Date01/2001/21
Hour (CST)101112131415161718192021222300010203040506070809
Surface Wind (kt)99111212121212111010101099998876666
Wind DirEEESEESEESEEEEESEESEESEESESESESSESSESSESSESSSSSESSESSE
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec)
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec)
Wind Wave Height (m)

Date01/22
Hour (CST)101112131415161718192021222300010203040506070809
Surface Wind (kt)789999876555555544444444
Wind DirSSESSSSSSSESEESEESESESESESSESSESSESSESSESESEESEESESESE
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec)
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec)
Wind Wave Height (m)

Additional Forecasts and Information
English UnitsForecast Discussion
Marine Point ForecastHourly Weather Graph
National Marine ForecastsTide Information
GraphicastsSevere Weather
Fire WeatherMarine Weather
Weather Briefing (National)Rainfall Estimates
Rivers/LakesSatellite Loops
Local ClimatologyPreparedness
Tropical WeatherText Forecasts