Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 91, NWS San Francisco Bay Area, CA

May 5, 2021

NWS San Francisco Bay Area, CA issued this small craft advisory at May 5, 2021, 2:47 PM PDT. It took effect at May 5, 2021, 3:00 PM PDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 5, 2021, 2:47 PM PDT (21:47 UTC)
In effect from
May 5, 2021, 3:00 PM PDT
Expired
May 5, 2021, 9:00 PM PDT
In force
6 hr
Issued by
NWS San Francisco Bay Area, CA

The text

As transmitted.

623 
WHUS76 KMTR 052147
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
247 PM PDT Wed May 5 2021

PZZ570-060600-
/O.CON.KMTR.SC.Y.0090.210506T2200Z-210507T1000Z/
/O.NEW.KMTR.GL.W.0021.210507T1000Z-210507T1600Z/
Waters from Point Arena to Point Reyes 10-60 NM-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
3 AM PDT FRIDAY...
...GALE WARNING IN EFFECT FROM 3 AM TO 9 AM PDT FRIDAY...

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

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

* WHEN...For the Gale Warning, from 3 AM to 9 AM PDT Friday. For 
  the Small Craft Advisory, from 3 PM Thursday to 3 AM PDT 
  Friday.

* 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.

&&

$$

PZZ571-060600-
/O.CON.KMTR.SC.Y.0090.210506T2200Z-210507T1000Z/
/O.NEW.KMTR.GL.W.0021.210507T1000Z-210507T1600Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
3 AM PDT FRIDAY...
...GALE WARNING IN EFFECT FROM 3 AM TO 9 AM PDT FRIDAY...

* WHAT...For the Gale Warning, northwest winds 25 to 30 kt with 
  gusts up to 35 kt expected. For the Small Craft Advisory, 
  northwest winds 10 to 20 kt with gusts up to 30 kt expected.

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

* WHEN...For the Gale Warning, from 3 AM to 9 AM PDT Friday. For 
  the Small Craft Advisory, from 3 PM Thursday to 3 AM PDT 
  Friday.

* 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.

&&

$$

PZZ565-060600-
/O.EXT.KMTR.SC.Y.0090.210506T1000Z-210506T2200Z/
/O.NEW.KMTR.GL.W.0021.210506T2200Z-210507T1600Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM TO 3 PM PDT
THURSDAY...
...GALE WARNING IN EFFECT FROM 3 PM THURSDAY TO 9 AM PDT FRIDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with 
  gusts up to 40 kt expected. For the 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 Gale Warning, from 3 PM Thursday to 9 AM PDT 
  Friday. For the Small Craft Advisory, from 3 AM to 3 PM PDT 
  Thursday.

* 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.

&&

$$

PZZ530-060600-
/O.NEW.KMTR.SC.Y.0091.210505T2200Z-210506T0400Z/
/O.EXB.KMTR.SC.Y.0090.210506T1800Z-210507T0400Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM TO 9 PM PDT
THURSDAY...

* WHAT...For the first Small Craft Advisory, southwest winds 5 
  to 15 kt with gusts up to 25 kt expected. For the second Small 
  Craft Advisory, west winds 5 to 15 kt with gusts up to 30 kt 
  expected.

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

* WHEN...For the Small Craft Advisory, until 9 PM PDT this 
  evening. For the Small Craft Advisory, from 11 AM to 9 PM PDT 
  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.

&&

$$

PZZ531-060600-
/O.EXB.KMTR.SC.Y.0090.210506T1800Z-210507T0400Z/
San Francisco Bay South of the Bay Bridge-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM TO 9 PM PDT
THURSDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 25 kt expected.

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

* WHEN...From 11 AM to 9 PM PDT 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.

&&

$$

PZZ540-060600-
/O.EXT.KMTR.SC.Y.0090.210505T2200Z-210507T1600Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PDT FRIDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt 
  expected.

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

* WHEN...Until 9 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ575-060600-
/O.EXT.KMTR.SC.Y.0090.210506T2200Z-210507T1600Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 PM THURSDAY TO 9 AM
PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 8 to 10 feet at 12 seconds expected.

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

* WHEN...From 3 PM Thursday to 9 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ576-060600-
/O.EXT.KMTR.SC.Y.0090.210506T2200Z-210507T1600Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 PM THURSDAY TO 9 AM
PDT FRIDAY...

* WHAT...Northwest 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...From 3 PM Thursday to 9 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ545-060600-
/O.EXT.KMTR.SC.Y.0090.210506T2200Z-210507T1600Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 PM THURSDAY TO 9 AM
PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt 
  expected, resulting in hazardous conditions near harbor 
  entrances.

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

* WHEN...From 3 PM Thursday to 9 AM PDT Friday.

* 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.

&&

$$

PZZ560-060600-
/O.EXT.KMTR.SC.Y.0090.210506T1800Z-210507T1600Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM THURSDAY TO 9 AM
PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt 
  expected.

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

* WHEN...From 11 AM Thursday to 9 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ535-060600-
/O.CON.KMTR.SC.Y.0090.210506T2200Z-210507T1000Z/
Monterey Bay-
247 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
3 AM PDT FRIDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt expected.

* WHERE...Monterey Bay.

* WHEN...From 3 PM Thursday to 3 AM PDT Friday.

* 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
1 follow-up statement
364 
WHUS76 KMTR 060339
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
839 PM PDT Wed May 5 2021

PZZ530-061145-
/O.EXP.KMTR.SC.Y.0091.000000T0000Z-210506T0400Z/
/O.CON.KMTR.SC.Y.0090.210506T1800Z-210507T0400Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM PDT
THURSDAY...

* WHAT...West winds 5 to 15 kt with gusts up to 30 kt expected.

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

* WHEN...From 11 AM to 9 PM PDT 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.

&&

$$

PZZ570-061145-
/O.CON.KMTR.SC.Y.0090.210506T2200Z-210507T1000Z/
/O.CON.KMTR.GL.W.0021.210507T1000Z-210507T1600Z/
Waters from Point Arena to Point Reyes 10-60 NM-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
3 AM PDT FRIDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM PDT FRIDAY...

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

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

* WHEN...For the Gale Warning, from 3 AM to 9 AM PDT Friday. For 
  the Small Craft Advisory, from 3 PM Thursday to 3 AM PDT 
  Friday.

* 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.

&&

$$

PZZ571-061145-
/O.CON.KMTR.SC.Y.0090.210506T2200Z-210507T1000Z/
/O.CON.KMTR.GL.W.0021.210507T1000Z-210507T1600Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
3 AM PDT FRIDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM PDT FRIDAY...

* WHAT...For the Gale Warning, northwest winds 25 to 30 kt with 
  gusts up to 35 kt expected. For the Small Craft Advisory, 
  northwest winds 10 to 20 kt with gusts up to 30 kt expected.

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

* WHEN...For the Gale Warning, from 3 AM to 9 AM PDT Friday. For 
  the Small Craft Advisory, from 3 PM Thursday to 3 AM PDT 
  Friday.

* 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.

&&

$$

PZZ565-061145-
/O.CON.KMTR.SC.Y.0090.210506T1000Z-210506T2200Z/
/O.CON.KMTR.GL.W.0021.210506T2200Z-210507T1600Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 nm-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM PDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THURSDAY TO 9 AM PDT
FRIDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with 
  gusts up to 40 kt expected. For the 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 Gale Warning, from 3 PM Thursday to 9 AM PDT 
  Friday. For the Small Craft Advisory, from 3 AM to 3 PM PDT 
  Thursday.

* 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.

&&

$$

PZZ540-061145-
/O.CON.KMTR.SC.Y.0090.000000T0000Z-210507T1600Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT FRIDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt.

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

* WHEN...Until 9 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ575-061145-
/O.CON.KMTR.SC.Y.0090.210506T2200Z-210507T1600Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
9 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 8 to 10 feet at 12 seconds expected.

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

* WHEN...From 3 PM Thursday to 9 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ576-061145-
/O.CON.KMTR.SC.Y.0090.210506T2200Z-210507T1600Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
9 AM PDT FRIDAY...

* WHAT...Northwest 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...From 3 PM Thursday to 9 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ545-061145-
/O.CON.KMTR.SC.Y.0090.210506T2200Z-210507T1600Z/
Coastal Waters from Point Reyes to Pigeon Point California out to
10 nm-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
9 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt 
  expected, resulting in hazardous conditions near harbor 
  entrances.

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

* WHEN...From 3 PM Thursday to 9 AM PDT Friday.

* 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.

&&

$$

PZZ560-061145-
/O.CON.KMTR.SC.Y.0090.210506T1800Z-210507T1600Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 nm-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THURSDAY TO
9 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt 
  expected.

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

* WHEN...From 11 AM Thursday to 9 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ531-061145-
/O.CON.KMTR.SC.Y.0090.210506T1800Z-210507T0400Z/
San Francisco Bay South of the Bay Bridge-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM PDT
THURSDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 25 kt expected.

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

* WHEN...From 11 AM to 9 PM PDT 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.

&&

$$

PZZ535-061145-
/O.CON.KMTR.SC.Y.0090.210506T2200Z-210507T1000Z/
Monterey Bay-
839 PM PDT Wed May 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
3 AM PDT FRIDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt expected.

* WHERE...Monterey Bay.

* WHEN...From 3 PM Thursday to 3 AM PDT Friday.

* 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
May 5, 2:42 AM PDTSmall Craft AdvisoryMTR6 days
May 5, 2:47 PM PDTGale WarningMTR5 days

Nearby

Small Craft Advisories in California, 2021Every small craft advisory 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.