513
WHUS76 KEKA 180928
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
228 AM PDT Tue Aug 18 2026

PZZ455-181730-
/O.EXB.KEKA.SC.Y.0075.260819T0000Z-260820T0400Z/
Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm-
228 AM PDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 PM PDT WEDNESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 35 kt and
  seas 5 to 8 feet expected.

* WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out
  10 nm.

* WHEN...From 5 PM this afternoon to 9 PM PDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

PZZ470-181730-
/O.CON.KEKA.SC.Y.0075.000000T0000Z-260820T0400Z/
Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm-
228 AM PDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT
WEDNESDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  6 to 9 feet.

* WHERE...Waters from Pt. St. George to Cape Mendocino CA from
  10 to 60 nm.

* WHEN...Until 9 PM PDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

PZZ475-181730-
/O.CON.KEKA.SC.Y.0075.000000T0000Z-260820T0400Z/
Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm-
228 AM PDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT
WEDNESDAY...

* WHAT...North winds 20 to 25 kt with gusts up to 35 kt and seas
  6 to 9 feet.

* WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to
  60 nm.

* WHEN...Until 9 PM PDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$