DESCRIPTION

…TSUNAMI ADVISORY IS IN EFFECT FOR DEL NORTE, HUMBOLDT, AND MENDOCINO COUNTIES…

* LOCAL IMPACTS… A tsunami capable of producing strong currents that may be hazardous to swimmers, boats, and coastal structures is expected. Widespread inundation is NOT expected.

* RECOMMENDED ACTIONS… If you are located in this coastal area, move off the beach and out of harbors and marinas. Do not go to the coast to watch the tsunami. Be alert to instructions from your local emergency officials

* FORECAST TSUNAMI START TIMES… Fort Bragg California 1150 PM PDT on Jul 29 Crescent City California 1155 PM PDT on Jul 29

Tsunamis often arrive as a series of waves or surges which could be dangerous for many hours after the first wave arrival. The first tsunami wave or surge may not be the highest in the series.

* FORECAST TSUNAMI DURATION… Fort Bragg California 9 hrs Crescent City California 36 hrs

* FORECAST PEAK TSUNAMI WAVE HEIGHTS… Fort Bragg California 0.8 to 1.5 ft Crescent City California 3.1 to 5.7 ft

* PRELIMINARY EARTHQUAKE INFORMATION… An earthquake occurred with a preliminary magnitude of 8.7 occurred 80 mile southeast of Petropavlovsk Kamchatka.

* TIDE INFORMATION… Humboldt Bay North Spit…Low tides of 1.3 ft at 901 AM PDT on Jul 30, and 1.8 ft at 1008 PM PDT on Jul 30. High tides of 5.2 ft at 259 AM PDT on Jul 30, and 6.2 ft at 343 PM PDT on Jul 30. Crescent City Harbor…Low tides of 1.3 ft at 854 AM PDT on Jul 30, and 1.8 ft at 1002 PM PDT on Jul 30. High tides of 5.2 ft at 249 AM PDT on Jul 30, and 6.3 ft at 329 PM PDT on Jul 30.

This product will be updated as new information becomes available. Stay tuned to your local news source and NOAA weather radio for further information and updates.