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18-foot waves on Northern California Coast!

Pescadero Sunset

Our friends at the National Weather Service always have the same bit of advice:

“Never turn your back on the ocean.”

Waves up to 18 feet will pound the Northern California Coast through Tuesday morning. says:

“Extreme wave run up is expected with these waves, with long lulls in between the wave sets, increasing the risk of being washed into the sea,” writes the NWS in the warning.

So… beside big waves and “sneaker” waves, there will also be dangerous rip currents. Sounds to me like the Beach Boys song, “Don’t Go Near the Water. continues:

On the open ocean, conditions for commercial vessels–or the unfortunate cruise ship passing through–this week will hit with “significant wave heights” up to 27 feet by Thursday.

In weather terms, “significant wave height” refers to the average height of the highest third of waves, but sea captains can expect their ships to encounter occasional waves more than double that height, meaning monster waves of potentially 54 feet or even are statistically possible.   These waves won’t reach shore at that height, but it shows the ferocity of the storm.

Gale force winds above 46 miles per hour are expected far off the coast, and small vessels are urged to stay in port this week.

Fun, Fun Fun!

-Bill at

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