Marine Weather Message
Issued by NWS San Francisco Bay Area, CA

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758
WHUS76 KMTR 190342
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
842 PM PDT Mon Aug 18 2025

PZZ560-191145-
/O.EXP.KMTR.SC.Y.0149.000000T0000Z-250819T0400Z/
/O.CON.KMTR.SC.Y.0150.250819T2200Z-250820T0400Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 NM-
842 PM PDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM TO 9 PM PDT
TUESDAY...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 30 kt
  expected.

* WHERE...Coastal Waters from Pigeon Point to Point Pinos
  California out to 10 NM.

* WHEN...From 3 PM to 9 PM PDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ531-191145-
/O.EXP.KMTR.SC.Y.0149.000000T0000Z-250819T0400Z/
/O.CON.KMTR.SC.Y.0150.250819T2200Z-250820T0400Z/
San Francisco Bay South of the Bay Bridge-
842 PM PDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM TO 9 PM PDT
TUESDAY...

* WHAT...West winds 5 to 15 kt with gusts to 21 kt and a moderate
  chop expected.

* WHERE...San Francisco Bay South of the Bay Bridge.

* WHEN...From 3 PM to 9 PM PDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ535-191145-
/O.EXP.KMTR.SC.Y.0149.000000T0000Z-250819T0400Z/
/O.CON.KMTR.SC.Y.0150.250819T2200Z-250820T0400Z/
Monterey Bay-
842 PM PDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM TO 9 PM PDT
TUESDAY...

* WHAT...West winds 10 to 15 kt with gusts up to 30 kt expected.

* WHERE...Monterey Bay.

* WHEN...From 3 PM to 9 PM PDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ530-190445-
/O.EXP.KMTR.SC.Y.0149.000000T0000Z-250819T0400Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
842 PM PDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 PM PDT THIS EVENING...

Conditions have dropped below advisory criteria, therefore the
Small Craft Advisory has been allowed to expire.

$$

PZZ565-191145-
/O.CON.KMTR.SC.Y.0149.000000T0000Z-250819T1000Z/
/O.EXT.KMTR.SC.Y.0150.250819T2200Z-250820T1600Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 NM-
842 PM PDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
TUESDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 PM TUESDAY TO 9 AM
PDT WEDNESDAY...

* WHAT...For the first Small Craft Advisory, northwest winds 10 to
  20 kt with gusts to 25 kt. For the second Small Craft Advisory,
  northwest winds 10 to 20 kt with gusts up to 30 kt expected.

* WHERE...Coastal Waters from Point Pinos to Point Piedras
  Blancas California out to 10 NM.

* WHEN...For the first Small Craft Advisory, until 3 AM PDT
  Tuesday. For the second Small Craft Advisory, from 3 PM
  Tuesday to 9 AM 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.

&&

$$

PZZ570-191145-
/O.EXT.KMTR.SC.Y.0150.250820T0400Z-250820T1600Z/
Waters from Point Arena to Point Reyes 10-60 NM-
842 PM PDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM TUESDAY TO 9 AM
PDT WEDNESDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts to 25 kt
  expected.

* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.

* WHEN...From 9 PM Tuesday to 9 AM 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.

&&

$$

PZZ571-191145-
/O.EXT.KMTR.SC.Y.0150.250820T0400Z-250820T1600Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
842 PM PDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM TUESDAY TO 9 AM
PDT WEDNESDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts to 25 kt
  expected.

* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.

* WHEN...From 9 PM Tuesday to 9 AM 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.

&&

$$

PZZ575-191145-
/O.EXT.KMTR.SC.Y.0150.250820T0400Z-250820T1600Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
842 PM PDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM TUESDAY TO 9 AM
PDT WEDNESDAY...

* WHAT...Northwest winds 10 to 15 kt with gusts to 25 kt
  expected.

* WHERE...Waters from Pigeon Point to Point Pinos 10-60 NM.

* WHEN...From 9 PM Tuesday to 9 AM 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.

&&

$$

PZZ576-191145-
/O.EXT.KMTR.SC.Y.0150.250820T0400Z-250820T1600Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
842 PM PDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM TUESDAY TO 9 AM
PDT WEDNESDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts to 25 kt
  expected.

* WHERE...Waters from Point Pinos to Point Piedras Blancas 10-
  60 NM.

* WHEN...From 9 PM Tuesday to 9 AM 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.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sanfrancisco