High Surf Advisory

Coastal Hazard Message
National Weather Service Eureka CA
440 AM PST Sat Dec 21 2024

CAZ101-103-104-109-212045-
/O.EXT.KEKA.SU.Y.0006.241221T2100Z-241222T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
440 AM PST Sat Dec 21 2024

...HIGH SURF ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO
9 AM PST SUNDAY...

* WHAT...Large breaking waves 21 to 23 ft.

* WHERE...Coastal Del Norte, Northern Humboldt Coast,
  Southwestern Humboldt and Mendocino Coast Counties.

* WHEN...From 1 PM this afternoon to 9 AM PST Sunday. .

* IMPACTS...Dangerous surfing conditions and localized beach
  erosion. Beachcombing is highly discouraged!.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Large breaking waves along the coast will lead to increased wave
run-up on beaches with waves topping and washing over large rocks
and jetties. These large waves can be erratic and unpredictable.
Use extra caution near the surf zone as these large waves will be
capable of sweeping people into the frigid and turbulent ocean
water. Mariners traversing the bar are urged to exercise extreme
caution or stay in port until the threat subsides. Please contact
the U.S. Coast Guard for information regarding harbor and bar
closures.

&&

$$

Coastal Hazard Message
National Weather Service San Francisco CA
1247 AM PST Sat Dec 21 2024

CAZ006-505-509-529-530-212200-
/O.CON.KMTR.SU.Y.0012.241221T1400Z-241223T0000Z/
San Francisco-
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
1247 AM PST Sat Dec 21 2024

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
4 PM PST SUNDAY...

* WHAT...Expect large westerly swell with breaking waves of 20 to
  26 feet, including breakers near 30 feet at favored spots such
  as Mavericks.

* WHERE...San Francisco, Coastal North Bay Including Point Reyes
  National Seashore, San Francisco Peninsula Coast, Northern
  Monterey Bay and Southern Monterey Bay and Big Sur Coast.

* WHEN...From 6 AM this morning to 4 PM PST Sunday.

* IMPACTS...Dangerous swimming and surfing conditions and
  localized beach erosion. Large waves can sweep across the
  beach without warning, pulling people into the sea from rocks,
  jetties and beaches. Sudden immersion in cold water can result
  in cold water shock even for the most experienced swimmers.
  Cold water shock can result in dramatic changes in breathing,
  heart rate and blood pressure, greatly increasing the risk of
  drowning in rough open waters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

$$