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I-5 — Boating Conditions
Tides, water temp & weather • Lewis County, WA
Boating Conditions at I-5
Current wind, air and water temperature, tide times and a 5-day forecast for I-5 on Cowlitz River in Lewis County, Washington. Check conditions before you launch.
Tide Times
Nearest tide station: Longview, WA · ~21 mi away
SatLow 8:18 AM (-1.1 ft)High 12:52 PM (1.3 ft)Low 5:57 PM (-0.1 ft)
SunHigh 12:07 AM (3.2 ft)Low 9:16 AM (-1.4 ft)High 1:53 PM (1.6 ft)Low 7:33 PM (0.1 ft)
Weather & wave data from Open-Meteo. Tides & water temperature from NOAA CO-OPS. Conditions are estimates for trip planning — always confirm locally and check official marine forecasts before heading out.