Explosive cyclogenesis in the NW Pacific Ocean

Northwest swell arrives here tomorrow.

Event: Beach Hazards Statement
Alert:

…INCREASED RISK OF SNEAKER WAVES SUNDAY…

.A VERY LONG PERIOD NORTHWEST SWELL WILL ARRIVE EARLY SUNDAY
MORNING AND BRING AN INCREASE RISK OF SNEAKER WAVES THROUGH THE
DAY. EXPECT LONG LULLS BETWEEN LARGEST SETS. THE RISK OF SNEAKER
WAVES WILL DECREASE AS THE PERIOD DECREASES ON MONDAY.

…BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH
LATE SUNDAY NIGHT…
The National Weather Service in San Francisco has issued a Beach
Hazards Statement for increased risk of sneaker waves, which is
in effect from Sunday morning through late Sunday night.

  • HAZARDS…Increased risk of sneaker waves on northern and
    central California beaches.

  • TIMING…9AM Sunday through 3AM Monday.

  • LOCATION…Coastline from Sonoma County south through Monterey
    County. In particular west to northwest facing
    beaches…including but not limited to…Ocean Beach…Montara
    State Beach…Asilomar State Beach and Marina State Beach.

  • POTENTIAL IMPACTS…Steep beaches will have a higher risk of
    sneaker wave activity with greater wave run-up onto beaches
    than normally expected. Unsuspecting beach-goers may suddenly
    be pulled out to sea. Never turn your back to the ocean!

Instructions: A Beach Hazard Statement for sneaker waves means that conditions are present to support a heightened risk of unsuspecting beach goers being swept into the sea by a wave. People walking along the beach should never turn their back to the sea. Fisherman should avoid fishing from rocks or jetties.

Target Area:
Coastal North Bay Including Point Reyes National Seashore
Northern Monterey Bay
San Francisco
San Francisco Peninsula Coast
Southern Monterey Bay and Big Sur Coast