Alert archive / California / Gale Warnings in 2021

Gale Warning 1, NWS San Francisco Bay Area, CA

January 4, 2021

NWS San Francisco Bay Area, CA issued this gale warning at Jan 4, 2021, 7:57 AM PST. It was in force for 7 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
Jan 4, 2021, 7:57 AM PST (15:57 UTC)
Expired
Jan 4, 2021, 3:00 PM PST
In force
7 hr
Issued by
NWS San Francisco Bay Area, CA

The text

As transmitted.

588 
WHUS76 KMTR 041557
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
757 AM PST Mon Jan 4 2021

PZZ570-050000-
/O.UPG.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
/O.NEW.KMTR.GL.W.0001.210104T1557Z-210104T2000Z/
/O.NEW.KMTR.SC.Y.0001.210104T2000Z-210105T2300Z/
Waters from Point Arena to Point Reyes 10-60 NM-
757 AM PST Mon Jan 4 2021

...GALE WARNING IN EFFECT UNTIL NOON PST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 3 PM PST
TUESDAY...

* WHAT...For the Gale Warning, southwest winds 20 to 25 kt with
  gusts 35 to 40 kt and seas 14 to 18 feet at 19 seconds. For the
  Small Craft Advisory, northwest winds 10 to 20 kt with gusts up
  to 30 kt and seas 18 to 22 feet at 18 seconds expected.

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

* WHEN...For the Gale Warning, until noon PST today. For the 
  Small Craft Advisory, from noon today to 3 PM PST Tuesday.

* 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.

&&

$$

PZZ571-050000-
/O.UPG.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
/O.NEW.KMTR.GL.W.0001.210104T1557Z-210104T2000Z/
/O.NEW.KMTR.SC.Y.0001.210104T2000Z-210105T2300Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
757 AM PST Mon Jan 4 2021

...GALE WARNING IN EFFECT UNTIL NOON PST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 3 PM PST
TUESDAY...

* WHAT...For the Gale Warning, south winds 20 to 25 kt with gusts
  35 to 40 kt and seas 13 to 16 feet at 18 seconds. For the Small
  Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30
  kt and seas 15 to 20 feet at 18 seconds expected.

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

* WHEN...For the Gale Warning, until noon PST today. For the 
  Small Craft Advisory, from noon today to 3 PM PST Tuesday.

* 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.

&&

$$

PZZ540-050000-
/O.UPG.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
/O.NEW.KMTR.GL.W.0001.210104T1557Z-210104T2000Z/
/O.NEW.KMTR.SC.Y.0001.210104T2000Z-210105T2300Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
757 AM PST Mon Jan 4 2021

...GALE WARNING IN EFFECT UNTIL NOON PST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 3 PM PST
TUESDAY...

* WHAT...For the Gale Warning, south winds 20 to 30 kt with gusts
  35 to 40 kt and seas 11 to 15 feet at 18 seconds. For the Small
  Craft Advisory, northwest winds 10 to 20 kt with gusts up to 30
  kt and seas 14 to 18 feet at 18 seconds expected.

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

* WHEN...For the Gale Warning, until noon PST today. For the 
  Small Craft Advisory, from noon today to 3 PM PST Tuesday.

* 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.

&&

$$

PZZ545-050000-
/O.UPG.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
/O.NEW.KMTR.GL.W.0001.210104T1557Z-210104T2000Z/
/O.NEW.KMTR.SC.Y.0001.210104T2000Z-210105T2300Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
757 AM PST Mon Jan 4 2021

...GALE WARNING IN EFFECT UNTIL NOON PST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 3 PM PST
TUESDAY...

* WHAT...For the Gale Warning, south winds 25 to 30 kt with 
  gusts up to 40 kt and seas 10 to 13 feet at 18 seconds. For 
  the Small Craft Advisory, northwest winds 20 to 30 kt with 
  gusts up to 35 kt and seas 12 to 17 feet at 18 seconds 
  expected, resulting in hazardous conditions near harbor 
  entrances.

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

* WHEN...For the Gale Warning, until noon PST today. For the 
  Small Craft Advisory, from noon today to 3 PM PST Tuesday.

* 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.

&&

$$

PZZ530-042300-
/O.UPG.KMTR.SC.Y.0239.000000T0000Z-210104T2300Z/
/O.NEW.KMTR.GL.W.0001.210104T1557Z-210104T2000Z/
/O.NEW.KMTR.SC.Y.0001.210104T2000Z-210104T2300Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
757 AM PST Mon Jan 4 2021

...GALE WARNING IN EFFECT UNTIL NOON PST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 3 PM PST
THIS AFTERNOON...

* WHAT...For the Gale Warning, south winds 15 to 25 kt with gusts
  30 to 40 kt. For the Small Craft Advisory, southwest winds 15 
  to 25 kt with gusts up to 35 kt expected.

* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San 
  Francisco Bay north of the Bay Bridge.

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

* 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.

&&

$$

PZZ575-050000-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
757 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 15 to 20 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ576-050000-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
757 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 14 to 19 feet at 19 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ560-050000-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
757 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  12 to 17 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ565-050000-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
757 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 13 to 18 feet at 19 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ531-042300-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210104T2300Z/
San Francisco Bay South of the Bay Bridge-
757 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

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

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

* WHEN...Until 3 PM PST this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ535-050000-
/O.CON.KMTR.SC.Y.0240.000000T0000Z-210105T2300Z/
Monterey Bay-
757 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 8 to 13 feet at 18 seconds.

* WHERE...Monterey Bay.

* WHEN...Until 3 PM PST 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.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sanfrancisco
2 follow-up statements
487 
WHUS76 KMTR 041941
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
1141 AM PST Mon Jan 4 2021

PZZ570-050345-
/O.CAN.KMTR.GL.W.0001.000000T0000Z-210104T2000Z/
/O.EXT.KMTR.SC.Y.0001.210104T1941Z-210105T2300Z/
Waters from Point Arena to Point Reyes 10-60 NM-
1141 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 18 to 22 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ571-050345-
/O.CAN.KMTR.GL.W.0001.000000T0000Z-210104T2000Z/
/O.EXT.KMTR.SC.Y.0001.210104T1941Z-210105T2300Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
1141 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with occasional gusts up to
  30 to 35 kt and seas 15 to 20 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ540-050345-
/O.CAN.KMTR.GL.W.0001.000000T0000Z-210104T2000Z/
/O.EXT.KMTR.SC.Y.0001.210104T1941Z-210105T2300Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
1141 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 14 to 18 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ530-042300-
/O.EXT.KMTR.GL.W.0001.000000T0000Z-210104T2300Z/
/O.CAN.KMTR.SC.Y.0001.210104T2000Z-210104T2300Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
1141 AM PST Mon Jan 4 2021

...GALE WARNING NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

* WHAT...South winds 15 to 25 kt with gusts 30 to 40 kt.

* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San 
  Francisco Bay north of the Bay Bridge.

* WHEN...Until 3 PM PST this afternoon.

* 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.

&&

$$

PZZ545-050345-
/O.EXT.KMTR.GL.W.0001.000000T0000Z-210104T2300Z/
/O.EXT.KMTR.SC.Y.0001.210104T2300Z-210105T2300Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
1141 AM PST Mon Jan 4 2021

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

* WHAT...For the Gale Warning, south winds 20 to 30 kt with 
  gusts up to 40 kt and seas 10 to 12 feet at 18 seconds. For 
  the Small Craft Advisory, northwest winds 10 to 20 kt with 
  gusts up to 25 kt and seas 12 to 17 feet at 18 seconds 
  expected, resulting in hazardous conditions near harbor 
  entrances.

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

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

* 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.

&&

$$

PZZ575-050345-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
1141 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 15 to 20 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ576-050345-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
1141 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 14 to 19 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ560-050345-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
1141 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 12 to 17 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ565-050345-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
1141 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 13 to 18 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ531-042300-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210104T2300Z/
San Francisco Bay South of the Bay Bridge-
1141 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

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

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

* WHEN...Until 3 PM PST this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ535-050345-
/O.CON.KMTR.SC.Y.0240.000000T0000Z-210105T2300Z/
Monterey Bay-
1141 AM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 8 to 13 feet at 17 seconds.

* WHERE...Monterey Bay.

* WHEN...Until 3 PM PST 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.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sanfrancisco
104 
WHUS76 KMTR 042234
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
234 PM PST Mon Jan 4 2021

PZZ545-050645-
/O.EXP.KMTR.GL.W.0001.000000T0000Z-210104T2300Z/
/O.CON.KMTR.SC.Y.0001.210104T2300Z-210105T2300Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 12 to 17 feet at 18 seconds expected, resulting in 
  hazardous conditions near harbor entrances.

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

* WHEN...Until 3 PM PST Tuesday.

* IMPACTS...Conditions will be hazardous to small craft 
  especially when navigating in or near harbor entrances.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Small craft should use extreme caution when navigating in or near
harbor entrances.

&&

$$

PZZ530-042345-
/O.EXP.KMTR.GL.W.0001.000000T0000Z-210104T2300Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
234 PM PST Mon Jan 4 2021

...GALE WARNING WILL EXPIRE AT 3 PM PST THIS AFTERNOON...

Winds remain out of the south with occasional stronger gusts, but
have subsided allowing the warning to expire.

$$

PZZ531-042345-
/O.EXP.KMTR.SC.Y.0239.000000T0000Z-210104T2300Z/
San Francisco Bay South of the Bay Bridge-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PST THIS AFTERNOON...

Winds remain out of the south with occasional stronger gusts, but
have subsided allowing the advisory to expire.

$$

PZZ570-050645-
/O.CON.KMTR.SC.Y.0001.000000T0000Z-210105T2300Z/
Waters from Point Arena to Point Reyes 10-60 NM-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 18 to 22 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ571-050645-
/O.CON.KMTR.SC.Y.0001.000000T0000Z-210105T2300Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 15 to 20 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ575-050645-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 15 to 20 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ576-050645-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 5 to 15 kt with gusts up to 25 kt and 
  seas 14 to 19 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ540-050645-
/O.CON.KMTR.SC.Y.0001.000000T0000Z-210105T2300Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...North winds 5 to 15 kt with gusts up to 25 kt and seas 
  14 to 18 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ560-050645-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 12 to 17 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ565-050645-
/O.CON.KMTR.SC.Y.0239.000000T0000Z-210105T2300Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 13 to 18 feet at 18 seconds.

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

* WHEN...Until 3 PM PST 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.

&&

$$

PZZ535-050645-
/O.CON.KMTR.SC.Y.0240.000000T0000Z-210105T2300Z/
Monterey Bay-
234 PM PST Mon Jan 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
TUESDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  8 to 13 feet at 17 seconds.

* WHERE...Monterey Bay.

* WHEN...Until 3 PM PST 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.

&&

$$

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 4, 7:57 AM PSTSmall Craft AdvisoryMTR5 days

Nearby

Gale Warnings in California, 2021Every gale warning in 2021

Sources

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