Coastal Waters Forecast is a forecast of
winds and sea state on the coastal waters out to five days.
It is issued four times daily at 230/330 am/pm and 830/930
am/pm PST/PDT. The forecast covers the coastal waters from
Pt. Piedras Blancas to San Mateo Pt. out to 60 n. mi. Within
the body of the forecast a Small Craft Advisory may
be headlined when winds begin to present a hazard for small
vessels. The following rare warnings, Gale, Storm,
Tropical Storm, or Hurricane, may be headlined
when very strong winds and/or stormy seas are expected.
When the weather over the water becomes severe, a Special
Marine Warning is issued. Coastal flooding caused by
very high tides and/or large surf is covered by a Coastal
Flood Watch and subsequently a Coastal Flood Warning.
If a seaquake occurs along the Pacific Rim, a Tsunami Warning
may be issued by the Tsunami Warning Center in Alaska
if favorable conditions for a tsunami are met. If Southern
California impacts are expected, this warning is reissued
with more local details by the Los Angeles Forecast Office.