
Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii
A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >
Hazardous Weather Conditions
Last Update: 450 PM ChST Sat Mar 21 2026
For More Weather Information:
20NM NW Apra Harbor GU
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT FROM TONIGHT THROUGH SUNDAY AFTERNOON...
Tonight
Northeast wind 15 to 20 kt. Seas 7 to 10 ft. Wave detail: northeast 7 ft at 8 seconds, northeast 4 ft at 6 seconds, north 5 ft at 13 seconds and northeast 3 ft at 14 seconds. Evening scattered showers across western waters.
Sunday
Northeast wind 20 kt. Seas 8 to 10 ft. Wave detail: northeast 7 ft at 8 seconds, northeast 5 ft at 6 seconds, north 3 ft at 12 seconds and northeast 3 ft at 14 seconds.
Sunday Night
Northeast wind 20 kt. Seas 7 to 9 ft. Wave detail: northeast 6 ft at 8 seconds, northeast 5 ft at 6 seconds, northeast 3 ft at 12 seconds and north 2 ft at 11 seconds.
Monday
Northeast wind 15 to 25 kt. Seas 7 to 9 ft. Wave detail: northeast 7 ft at 8 seconds, northeast 5 ft at 7 seconds and northeast 3 ft at 12 seconds. Scattered showers with isolated thunderstorms.
Monday Night
East wind 15 to 20 kt with occasional gusts to 30 kt. Seas 8 to 10 ft. Wave detail: east 8 ft at 8 seconds, east 5 ft at 7 seconds and northeast 3 ft at 11 seconds. Scattered showers with isolated thunderstorms.
Tuesday
East wind 10 to 20 kt. Seas 7 to 9 ft. Wave detail: east 7 ft at 9 seconds, north 4 ft at 9 seconds, east 4 ft at 5 seconds and northeast 2 ft at 11 seconds. Scattered showers.
Wednesday
Northeast wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: east 5 ft at 8 seconds, northeast 3 ft at 4 seconds, north 3 ft at 11 seconds and northeast 2 ft at 10 seconds. A chance of showers.
Thursday
Northeast wind 5 to 15 kt. Seas 4 to 6 ft. Wave detail: east 5 ft at 8 seconds, northeast 3 ft at 4 seconds and north 2 ft at 10 seconds.
Additional Forecasts and Information
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