NWS Issues High Surf Warning for Kauai and Niihau

Dangerous waves up to 25 feet expected along north and east-facing shores

Published on Feb. 23, 2026

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The National Weather Service has issued a High Surf Warning for the north and east-facing shores of the Hawaiian islands of Kauai and Niihau. The warning is in effect from Sunday, February 22 through Tuesday, February 24, with the largest waves expected to peak on Monday night and Tuesday.

Why it matters

High surf conditions can be extremely dangerous, with the potential for strong rip currents, powerful waves, and hazardous conditions for those along the shoreline. This warning is critical for keeping residents and visitors safe during this period of heightened ocean activity.

The details

According to the NWS, the north and northeast swells will peak on Monday night, reaching up to 18-25 feet along the north-facing shores. The east-facing shores are projected to see waves of 7-16 feet on Monday night and Tuesday. Officials are advising the public to avoid entering the water during this time, as the conditions can be very hazardous.

  • The High Surf Warning is in effect from Sunday, February 22 through Tuesday, February 24.
  • The largest waves are expected to peak on Monday night and Tuesday.

The players

National Weather Service

The National Weather Service is the primary source of weather data, forecasts, and warnings for the United States.

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What’s next

The NWS expects the high surf conditions to gradually decline on Tuesday night through Friday, February 27.

The takeaway

This High Surf Warning is a critical alert for residents and visitors in Kauai and Niihau to avoid the water and use caution along the shoreline during this period of dangerous ocean conditions.