A strong pressure gradient over the northern California waters will maintain gale force winds over the outer waters through tonight. The gales will be accompanied by steep wind waves...and fresh swell will move into the nearshore waters. Winds and seas will subside slightly on Friday...but are expected to increase again over the weekend.

N wind 20 to 30 kt with gusts up to 35 kt. Combined seas 10 to 12 ft with a dominant period of 10 seconds.

N wind 20 to 30 kt with gusts up to 35 kt in the evening. Combined seas 10 to 12 ft with a dominant period of 10 seconds...subsiding to 8 to 10 ft after midnight. Patchy fog.

N wind 20 to 25 kt. Combined seas 8 to 9 ft with a dominant period of 10 seconds.

N wind 25 to 30 kt with local gusts to 35 kt. Combined seas 9 to 11 ft. Patchy fog and drizzle.

N wind 25 to 35 kt with gusts to 40 kt. Combined seas 10 to 12 ft...building to 13 to 15 ft. Patchy fog and drizzle.

N wind 30 to 35 kt with gusts to 40 kt. Combined seas 13 to 15 ft. Patchy fog.

N wind 20 to 30 kt. Combined seas 9 to 11 ft. Patchy fog.