Alert archive / California / Gale Warnings in 2023

Gale Warning 63, NWS San Francisco Bay Area, CA

November 17, 2023

NWS San Francisco Bay Area, CA issued this gale warning at Nov 17, 2023, 2:29 AM PST. It took effect at Nov 17, 2023, 3:00 PM PST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 17, 2023, 2:29 AM PST (10:29 UTC)
In effect from
Nov 17, 2023, 3:00 PM PST
Expired
Nov 17, 2023, 8:45 PM PST
In force
6 hr
Issued by
NWS San Francisco Bay Area, CA

The text

As transmitted.

643 
WHUS76 KMTR 171029
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
229 AM PST Fri Nov 17 2023

PZZ576-171830-
/O.EXT.KMTR.SC.Y.0225.000000T0000Z-231117T2300Z/
/O.NEW.KMTR.GL.W.0063.231117T2300Z-231118T1100Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
229 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PST
SATURDAY...

* WHAT...For the Small Craft Advisory, southeast winds 15 to 20 
  kt with gusts up to 35 kt. For the Gale Warning, south winds 
  15 to 25 kt with gusts up to 35 kt expected.

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

* WHEN...For the Small Craft Advisory, until 3 PM PST this 
  afternoon. For the Gale Warning, from 3 PM this afternoon to 3 
  AM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ565-171830-
/O.EXT.KMTR.SC.Y.0225.000000T0000Z-231117T2300Z/
/O.NEW.KMTR.GL.W.0063.231117T2300Z-231118T1100Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
229 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PST
SATURDAY...

* WHAT...For the Small Craft Advisory, southeast winds 10 to 20 
  kt with gusts up to 30 kt. For the Gale Warning, southeast 
  winds 15 to 25 kt with gusts up to 40 kt expected.

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

* WHEN...For the Small Craft Advisory, until 3 PM PST this 
  afternoon. For the Gale Warning, from 3 PM this afternoon to 3 
  AM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ570-171830-
/O.EXT.KMTR.SC.Y.0228.231117T1100Z-231118T1100Z/
Waters from Point Arena to Point Reyes 10-60 NM-
229 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PST SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt 
  expected.

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

* WHEN...Until 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ571-171830-
/O.EXT.KMTR.SC.Y.0228.231117T1100Z-231118T1100Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
229 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PST SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt 
  expected.

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

* WHEN...Until 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ575-171830-
/O.CON.KMTR.SC.Y.0228.231117T1100Z-231118T1100Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
229 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 35 kt 
  expected.

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

* WHEN...Until 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ540-171830-
/O.CON.KMTR.SC.Y.0228.231117T1700Z-231118T1100Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
229 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 3 AM PST SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt 
  expected.

* WHERE...Coastal Waters from Point Arena to Point Reyes 
  California out to 10 nm.

* WHEN...From 9 AM this morning to 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ545-171830-
/O.CON.KMTR.SC.Y.0228.231117T1700Z-231118T1100Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
229 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 3 AM PST SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 35 kt 
  expected.

* WHERE...Coastal Waters from Point Reyes to Pigeon Point 
  California out to 10 nm.

* WHEN...From 9 AM this morning to 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ560-171830-
/O.CON.KMTR.SC.Y.0228.231117T1700Z-231118T1100Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
229 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 3 AM PST SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 35 kt 
  expected.

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

* WHEN...From 9 AM this morning to 3 AM PST Saturday.

* 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
3 follow-up statements
166 
WHUS76 KMTR 171628
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
828 AM PST Fri Nov 17 2023

PZZ576-180030-
/O.CON.KMTR.SC.Y.0225.000000T0000Z-231117T2300Z/
/O.CON.KMTR.GL.W.0063.231117T2300Z-231118T1100Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
828 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
3 AM PST SATURDAY...

* WHAT...For the Small Craft Advisory, southeast winds 15 to 20 
  kt with gusts up to 35 kt. For the Gale Warning, south winds 
  15 to 25 kt with gusts up to 35 kt expected.

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

* WHEN...For the Small Craft Advisory, until 3 PM PST this 
  afternoon. For the Gale Warning, from 3 PM this afternoon to 3 
  AM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ565-180030-
/O.CON.KMTR.SC.Y.0225.000000T0000Z-231117T2300Z/
/O.CON.KMTR.GL.W.0063.231117T2300Z-231118T1100Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
828 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
3 AM PST SATURDAY...

* WHAT...For the Small Craft Advisory, southeast winds 10 to 20 
  kt with gusts up to 30 kt. For the Gale Warning, southeast 
  winds 15 to 25 kt with gusts up to 40 kt expected.

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

* WHEN...For the Small Craft Advisory, until 3 PM PST this 
  afternoon. For the Gale Warning, from 3 PM this afternoon to 3 
  AM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ570-180030-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231118T1100Z/
Waters from Point Arena to Point Reyes 10-60 NM-
828 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt 
  expected.

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

* WHEN...Until 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ571-180030-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231118T1100Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
828 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt 
  expected.

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

* WHEN...Until 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ575-180030-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231118T1100Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
828 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 35 kt 
  expected.

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

* WHEN...Until 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ540-180030-
/O.CON.KMTR.SC.Y.0228.231117T1700Z-231118T1100Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
828 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt 
  expected.

* WHERE...Coastal Waters from Point Arena to Point Reyes 
  California out to 10 nm.

* WHEN...From 9 AM this morning to 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ545-180030-
/O.CON.KMTR.SC.Y.0228.231117T1700Z-231118T1100Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
828 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 35 kt 
  expected.

* WHERE...Coastal Waters from Point Reyes to Pigeon Point 
  California out to 10 nm.

* WHEN...From 9 AM this morning to 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ560-180030-
/O.CON.KMTR.SC.Y.0228.231117T1700Z-231118T1100Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
828 AM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 35 kt 
  expected.

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

* WHEN...From 9 AM this morning to 3 AM PST Saturday.

* 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
173 
WHUS76 KMTR 172237
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
237 PM PST Fri Nov 17 2023

PZZ576-180645-
/O.EXP.KMTR.SC.Y.0225.000000T0000Z-231117T2300Z/
/O.CON.KMTR.GL.W.0063.231117T2300Z-231118T1100Z/
/O.NEW.KMTR.SC.Y.0229.231119T1100Z-231119T1700Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
237 PM PST Fri Nov 17 2023

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 9 AM PST SUNDAY...

* WHAT...For the Gale Warning, south winds 15 to 25 kt with 
  gusts up to 35 kt expected. For the Small Craft Advisory, 
  north winds 20 to 25 kt with gusts up to 30 kt expected.

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

* WHEN...For the Gale Warning, until 3 AM PST Saturday. For the 
  Small Craft Advisory, from 3 AM to 9 AM PST Sunday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ565-180645-
/O.EXP.KMTR.SC.Y.0225.000000T0000Z-231117T2300Z/
/O.CON.KMTR.GL.W.0063.231117T2300Z-231118T1100Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
237 PM PST Fri Nov 17 2023

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST SATURDAY...

* WHAT...Southeast winds 15 to 25 kt with gusts up to 40 kt 
  expected.

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

* WHEN...Until 3 AM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ575-180645-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231118T1100Z/
/O.NEW.KMTR.SC.Y.0229.231119T1100Z-231119T1700Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
237 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 9 AM PST SUNDAY...

* WHAT...For the first Small Craft Advisory, southeast winds 15 
  to 20 kt with gusts up to 35 kt. For the second Small Craft 
  Advisory, north winds around 20 kt with gusts up to 30 kt 
  expected.

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

* WHEN...For the first Small Craft Advisory, until 3 AM PST 
  Saturday. For the second Small Craft Advisory, from 3 AM to 9 
  AM PST Sunday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ570-180645-
/O.EXT.KMTR.SC.Y.0228.000000T0000Z-231119T1700Z/
Waters from Point Arena to Point Reyes 10-60 NM-
237 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST SUNDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt.

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

* WHEN...Until 9 AM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ571-180645-
/O.EXT.KMTR.SC.Y.0228.000000T0000Z-231119T1700Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
237 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST SUNDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt.

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

* WHEN...Until 9 AM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ540-180645-
/O.EXT.KMTR.SC.Y.0228.000000T0000Z-231118T1700Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
237 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt.

* WHERE...Coastal Waters from Point Arena to Point Reyes 
  California out to 10 nm.

* WHEN...Until 9 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ545-180645-
/O.EXT.KMTR.SC.Y.0228.000000T0000Z-231118T1700Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
237 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 35 kt.

* WHERE...Coastal Waters from Point Reyes to Pigeon Point 
  California out to 10 nm.

* WHEN...Until 9 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ560-180645-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231118T1100Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
237 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 35 kt.

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

* WHEN...Until 3 AM PST Saturday.

* 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
458 
WHUS76 KMTR 180445
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
845 PM PST Fri Nov 17 2023

PZZ576-181245-
/O.CAN.KMTR.GL.W.0063.000000T0000Z-231118T1100Z/
/O.EXA.KMTR.SC.Y.0228.000000T0000Z-231118T1100Z/
/O.CON.KMTR.SC.Y.0229.231119T1100Z-231119T1700Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
845 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST SATURDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM PST
SUNDAY...

* WHAT...For the first Small Craft Advisory, south winds 15 to 
  20 kt with gusts up to 30 kt and seas 8 to 10 ft. For the 
  second Small Craft Advisory, north winds 20 to 25 kt with 
  gusts up to 30 kt expected.

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

* WHEN...For the first Small Craft Advisory, until 3 AM PST 
  Saturday. For the second Small Craft Advisory, from 3 AM to 9 
  AM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ565-181245-
/O.CAN.KMTR.GL.W.0063.000000T0000Z-231118T1100Z/
/O.EXA.KMTR.SC.Y.0228.000000T0000Z-231118T1100Z/
/O.EXA.KMTR.SC.Y.0229.231119T1100Z-231119T1700Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
845 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 9 AM PST SUNDAY...

* WHAT...For the first Small Craft Advisory, southeast winds 15 
  to 25 kt with gusts up to 35 kt. For the second Small Craft 
  Advisory, north winds 20 to 30 kt with gusts up to 35 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 PST 
  Saturday. For the second Small Craft Advisory, from 3 AM to 9 
  AM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ575-181245-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231118T1100Z/
/O.CON.KMTR.SC.Y.0229.231119T1100Z-231119T1700Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
845 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM PST
SUNDAY...

* WHAT...For the first Small Craft Advisory, south winds 15 to 
  20 kt with gusts up to 30 kt and seas 8 to 10 ft. For the 
  second Small Craft Advisory, north winds around 20 kt with 
  gusts up to 30 kt expected.

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

* WHEN...For the first Small Craft Advisory, until 3 AM PST 
  Saturday. For the second Small Craft Advisory, from 3 AM to 9 
  AM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ570-181245-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231119T1700Z/
Waters from Point Arena to Point Reyes 10-60 NM-
845 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and seas 
  8 to 10 ft.

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

* WHEN...Until 9 AM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ571-181245-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231119T1700Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
845 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt.

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

* WHEN...Until 9 AM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ540-181245-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231118T1700Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
845 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt.

* WHERE...Coastal Waters from Point Arena to Point Reyes 
  California out to 10 nm.

* WHEN...Until 9 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ545-181245-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231118T1700Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
845 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt.

* WHERE...Coastal Waters from Point Reyes to Pigeon Point 
  California out to 10 nm.

* WHEN...Until 9 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ560-181100-
/O.CON.KMTR.SC.Y.0228.000000T0000Z-231118T1100Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
845 PM PST Fri Nov 17 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 35 kt.

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

* WHEN...Until 3 AM PST Saturday.

* 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

What forecasters said that day

The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this gale warning went out at Nov 16, 9:48 PM PST, 4 hours 41 minutes earlier.

Area forecast discussion, Nov 16, 9:48 PM PST, 4 hours 41 minutes before
Area Forecast Discussion
National Weather Service San Francisco CA
948 PM PST Thu Nov 16 2023

...New AVIATION, MARINE, UPDATE...

.SYNOPSIS...
Issued at 1225 PM PST Thu Nov 16 2023

Isolated to scattered rain showers and a slight chance for
thunderstorms will persist through the day. A more steady band of
rain with push across the region by Friday afternoon/evening. Rain
showers will linger into the first part of Saturday before
clearing by Sunday. Temperatures warm to above seasonal averages
Monday and beyond.

.UPDATE...
Issued at 948 PM PST Thu Nov 16 2023

Scattered showers and isolated thunderstorms occurred across the
region this afternoon and evening. Rain amounts over the past 6
hours were mostly 0.10" or less, however an isolated thunderstorm
did drop localized amounts of 0.2"-0.4" across western portions of
the San Francisco Peninsula. Instability over land areas is waning
this evening so expect the greatest convective focus to remain
offshore overnight. However can't rule out some rogue showers
moving inland at times, particularly towards morning. The more
focused push of showers and isolated storms then looks to take
place during the afternoon and evening hours on Friday.

&&

.SHORT TERM...
(This evening through Friday)
Issued at 1225 PM PST Thu Nov 16 2023

Isolated to scattered rain showers with a slight chance of
thunderstorms is expected from this afternoon and into the
evening. Instability will increase enough to warrant a mention for
convection by this afternoon. By tonight, mostly dry conditions
are expected.

Friday afternoon/evening is when a better defined band of
precipitation sweeps inland resulting in light to moderate
rainfall. Again, chances for thunderstorm exist on Friday which
will linger into Friday night. As such, locally heavier rainfall
will be possible with any thunderstorm or more convective cells
that develop. As mention in previous discussions, the threat for
flooding remains extremely low.

&&

.LONG TERM...
(Friday night through next Wednesday)
Issued at 1225 PM PST Thu Nov 16 2023

Post frontal rain showers will continue into Saturday morning
before diminishing throughout the day. Additional rainfall is
expected to range from 1.00"-2.00" in the coastal ranges,
generally 0.50"-1.00" in the City, North Bay and wetter pockets of
the region, and less than 0.50" elsewhere.

By Sunday and beyond, drier conditions are likely to persist.
Monday a subtle warming trend will occur as high pressure builds
aloft. Colder overnight temperatures are also expected next week.

&&

.AVIATION...
(06Z TAFS)
Issued at 922 PM PST Thu Nov 16 2023

VFR conditions are expected through the night with a few isolated
showers. Rain returns in earnest around mid-day Friday. There is
a chance for stronger showers or isolated thunderstorms Friday
afternoon into evening. Persistent rain may bring ceilings down to
the MVFR range through the afternoon. Guidance is hinting at a
break in the precipitation around 18/03Z before returning
overnight Friday into Saturday morning.

Vicinity of SFO...Some excitement this evening with a a period of
VCTS, while a stronger shower briefly passed over the terminal.
While the weather has since cleared, there is a similar looking
band approaching Half Moon Bay at the moment, and another round of
VCSH is expected from 06Z to 08Z, with an outside chance of these
showers organizing enough to generate some lightning. OAK looks
to be too far east to be impacted by this system in the short
term. Otherwise, more persistent light rain is expected to return
to SFO by 17/20Z with a break in the evening. The timing is still
relatively uncertain, but it's pretty clear that Friday will be
the wettest day of the week at SFO. The potential exists for
thunderstorms at both SFO and OAK Friday afternoon. All this rain
will likely lower the ceilings into the MVFR range, and the TAF
predicts this will happen at 18/03Z for SFO.

SFO Bridge Approach...Similar to SFO.

Monterey Bay Terminals...MRY and SNS look to be dry for the
remainder of the night. Rain is expected to return around 18Z and
last off-and-on for about 9 hours at both terminals. The TAF
continues to lean on the high side of guidance for winds at SNS as
the rain will help bring down momentum from higher in the
atmosphere. Since the wind direction lines up with the valley and
the terminal is at the low end, this is the perfect set up for
strong drainage flow. The high resolution models have increased a
bit over the last 6 hours, but haven't quite caught up to the TAF
forecast of 12020G30KT at SNS, which is holding steady for now.
Despite being on the high end of guidance, the wind speed could
still exceed this forecast. MRY will remain mostly sheltered from
these winds, but gusty conditions are possible during any heavier
showers.

&&

.MARINE...
(Tonight through next Tuesday)
Issued at 922 PM PST Thu Nov 16 2023

On and off chance for thunderstorms persists into Saturday across
the coastal waters. Occasional gale force gusts are possible near
thunderstorms should they develop, but not expecting long
lasting, widespread gale force conditions. However, fresh to
locally strong southerly breezes will develop Friday into
Saturday. Low pressure will dissipate as it moves inland Saturday
and rain chances will diminish by Sunday. In addition,
southwesterly swell builds Friday night into Saturday and a new
northwest swell train arrives Sunday.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
CA...None.
PZ...Small Craft Advisory from 9 AM Friday to 3 AM PST Saturday for
     PZZ540-545-560-570.

     Small Craft Advisory until 3 AM PST Saturday for PZZ565.

     Small Craft Advisory from 3 AM Friday to 3 AM PST Saturday for
     PZZ575.

&&

UPDATE...SPM
SHORT TERM...RGass
LONG TERM....RGass
AVIATION...Flynn
MARINE...DialH

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The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 16, 5:54 PM PSTSpecial Weather StatementMTRSan Mateo36 min
Nov 16, 6:02 PM PSTSpecial Marine WarningMTR28 min
Nov 17, 2:37 PM PSTSmall Craft AdvisoryMTR3 days
Nov 17, 3:08 PM PSTSpecial Weather StatementMTRMarin22 min
Nov 17, 3:36 PM PSTSpecial Weather StatementMTRSonoma39 min
Nov 17, 3:39 PM PSTAreal Flood AdvisoryMTRMarin, Napa, Sonoma51 min

Nearby

Gale Warnings in California, 2023Every gale warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.