Alert archive / California / Gale Warnings in 2021

Gale Warning 4, NWS San Francisco Bay Area, CA

January 27, 2021

NWS San Francisco Bay Area, CA issued this gale warning at Jan 27, 2021, 2:23 AM PST. It took effect at Jan 27, 2021, 3:00 AM PST. It was in force for 2 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 27, 2021, 2:23 AM PST (10:23 UTC)
In effect from
Jan 27, 2021, 3:00 AM PST
Expired
Jan 27, 2021, 5:27 AM PST
In force
2 hr
Issued by
NWS San Francisco Bay Area, CA

The text

As transmitted.

522 
WHUS76 KMTR 271023
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
223 AM PST Wed Jan 27 2021

PZZ535-271700-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1700Z/
/O.NEW.KMTR.GL.W.0004.210127T1100Z-210127T1700Z/
Monterey Bay-
223 AM PST Wed Jan 27 2021

...GALE WARNING IN EFFECT UNTIL 9 AM PST THIS MORNING...

* WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt 
  expected.

* WHERE...Monterey Bay.

* WHEN...Until 9 AM PST this morning.

* 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.

&&

$$

PZZ560-271830-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1700Z/
/O.NEW.KMTR.SC.Y.0014.210127T1100Z-210128T2300Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
223 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THURSDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 45 kt and seas 
  10 to 15 feet at 15 seconds expected.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ570-271830-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1100Z/
/O.NEW.KMTR.SC.Y.0014.210127T1100Z-210128T2300Z/
Waters from Point Arena to Point Reyes 10-60 NM-
223 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THURSDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 13 to 18 feet at 16 seconds expected.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ571-271830-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1100Z/
/O.NEW.KMTR.SC.Y.0014.210127T1100Z-210128T2300Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
223 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THURSDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 12 to 17 feet at 16 seconds expected.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ575-271830-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1700Z/
/O.NEW.KMTR.SC.Y.0014.210127T1100Z-210128T2300Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
223 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THURSDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 35 kt and seas 
  12 to 17 feet at 16 seconds expected.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ540-271830-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1100Z/
/O.NEW.KMTR.SC.Y.0014.210127T1100Z-210128T2300Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
223 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THURSDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas 
  11 to 16 feet at 15 seconds expected.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ545-271830-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1100Z/
/O.NEW.KMTR.SC.Y.0014.210127T1100Z-210128T2300Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
223 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THURSDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and seas 
  10 to 15 feet at 16 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 Thursday.

* 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.

&&

$$

PZZ530-271700-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1100Z/
/O.NEW.KMTR.SC.Y.0014.210127T1100Z-210127T1700Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
223 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING...

* WHAT...South winds 10 to 20 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...Until 9 AM PST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ531-271700-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1100Z/
/O.NEW.KMTR.SC.Y.0014.210127T1100Z-210127T1700Z/
San Francisco Bay South of the Bay Bridge-
223 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING...

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

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

* WHEN...Until 9 AM PST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ576-271700-
/O.CON.KMTR.SR.W.0001.000000T0000Z-210127T1700Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
223 AM PST Wed Jan 27 2021

...STORM WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

* WHAT...Southwest winds 30 to 40 kt with gusts up to 55 kt and 
  seas 10 to 15 feet at 14 seconds.

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

* WHEN...Until 9 AM PST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ565-271700-
/O.CON.KMTR.SR.W.0001.000000T0000Z-210127T1700Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
223 AM PST Wed Jan 27 2021

...STORM WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

* WHAT...South winds 30 to 40 kt with gusts up to 60 kt and seas 
  9 to 14 feet at 14 seconds.

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

* WHEN...Until 9 AM PST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sanfrancisco
1 follow-up statement
932 
WHUS76 KMTR 271327
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
527 AM PST Wed Jan 27 2021

PZZ565-271700-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1700Z/
/O.NEW.KMTR.GL.W.0005.210127T1327Z-210127T1700Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
527 AM PST Wed Jan 27 2021

...GALE WARNING IN EFFECT UNTIL 9 AM PST THIS MORNING...

* WHAT...South winds 25 to 35 kt with gusts up to 45 kt and seas 
  8 to 12 feet at 13 seconds.

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

* WHEN...Until 9 AM PST this morning.

* 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.

&&

$$

PZZ535-271430-
/O.CAN.KMTR.GL.W.0004.000000T0000Z-210127T1700Z/
Monterey Bay-
527 AM PST Wed Jan 27 2021

...GALE WARNING IS CANCELLED...

Winds have subsided to allow the Gale Warning to be cancelled, but
occasional stronger gusts are still possible through Wednesday.

$$

PZZ576-272130-
/O.CAN.KMTR.SR.W.0001.000000T0000Z-210127T1700Z/
/O.EXA.KMTR.SC.Y.0014.000000T0000Z-210128T2300Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
527 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THURSDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 
  12 to 17 feet at 16 seconds.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ570-272130-
/O.CON.KMTR.SC.Y.0014.000000T0000Z-210128T2300Z/
Waters from Point Arena to Point Reyes 10-60 NM-
527 AM PST Wed Jan 27 2021

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

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 14 to 18 feet at 16 seconds.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ571-272130-
/O.CON.KMTR.SC.Y.0014.000000T0000Z-210128T2300Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
527 AM PST Wed Jan 27 2021

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

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 12 to 17 feet at 16 seconds.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ575-272130-
/O.CON.KMTR.SC.Y.0014.000000T0000Z-210128T2300Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
527 AM PST Wed Jan 27 2021

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

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and seas 
  13 to 17 feet at 16 seconds.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ540-272130-
/O.CON.KMTR.SC.Y.0014.000000T0000Z-210128T2300Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
527 AM PST Wed Jan 27 2021

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

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas 
  11 to 16 feet at 15 seconds.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ545-272130-
/O.CON.KMTR.SC.Y.0014.000000T0000Z-210128T2300Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
527 AM PST Wed Jan 27 2021

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

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas 
  10 to 15 feet at 16 seconds, 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 Thursday.

* 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.

&&

$$

PZZ560-272130-
/O.CON.KMTR.SC.Y.0014.000000T0000Z-210128T2300Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
527 AM PST Wed Jan 27 2021

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

* WHAT...South winds 15 to 25 kt with gusts up to 40 kt and seas 
  10 to 15 feet at 15 seconds.

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

* WHEN...Until 3 PM PST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ530-271700-
/O.CON.KMTR.SC.Y.0014.000000T0000Z-210127T1700Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
527 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...

* WHAT...South winds 10 to 15 kt with gusts up to 35 kt.

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

* WHEN...Until 9 AM PST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ531-271700-
/O.CON.KMTR.SC.Y.0014.000000T0000Z-210127T1700Z/
San Francisco Bay South of the Bay Bridge-
527 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...

* WHAT...Southeast winds 10 to 15 kt with gusts up to 25 kt.

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

* WHEN...Until 9 AM PST this morning.

* 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 26, 9:39 PM PSTFlash Flood Warning Considerable damage threatMTRSonoma81 min
Jan 26, 10:22 PM PSTAreal Flood AdvisoryMTRMarin, Napa, Sonoma4 hr
Jan 26, 10:56 PM PSTFlash Flood Warning Considerable damage threatMTRSan Mateo, Santa Cruz4 hr
Jan 26, 11:18 PM PSTAreal Flood AdvisoryMTRAlameda, City and County of San Francisco, San Mateo, Santa Clara4 hr
Jan 26, 11:46 PM PSTSpecial Marine WarningMTR14 min
Jan 27, 1:31 AM PSTFlash Flood Warning Considerable damage threatMTRMonterey3 hr
Jan 27, 1:38 AM PSTFlash Flood Warning Considerable damage threatMTRMonterey14 hr
Jan 27, 1:45 AM PSTFlash Flood Warning Considerable damage threatMTRMonterey3 hr
Jan 27, 2:06 AM PSTSpecial Marine WarningMTR24 min
Jan 27, 2:18 AM PSTAreal Flood AdvisoryMTRMonterey, Santa Cruz117 min
Jan 27, 2:23 AM PSTSmall Craft AdvisoryMTR55 hr
Jan 27, 5:27 AM PSTGale WarningMTR21 hr
Jan 27, 12:03 PM PSTFlash Flood Warning Considerable damage threatMTRMonterey3 hr
Jan 27, 12:05 PM PSTFlash Flood WarningMTRMonterey3 hr
Jan 27, 12:33 PM PSTFlash Flood WarningMTRSan Mateo, Santa Cruz6 hr
Jan 27, 12:53 PM PSTSpecial Marine WarningMTR52 min
Jan 27, 2:11 PM PSTAreal Flood AdvisoryMTRAlameda, Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz5 hr

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.