Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 97, NWS San Francisco Bay Area, CA

May 12, 2021

NWS San Francisco Bay Area, CA issued this small craft advisory at May 12, 2021, 2:47 AM PDT. It took effect at May 13, 2021, 3:00 PM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
May 12, 2021, 2:47 AM PDT (09:47 UTC)
In effect from
May 13, 2021, 3:00 PM PDT
Expired
May 13, 2021, 2:45 AM PDT
In force
Issued by
NWS San Francisco Bay Area, CA

The text

As transmitted.

530 
WHUS76 KMTR 120947
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
247 AM PDT Wed May 12 2021

PZZ570-121800-
/O.NEW.KMTR.SC.Y.0097.210513T2200Z-210514T1000Z/
Waters from Point Arena to Point Reyes 10-60 NM-
247 AM PDT Wed May 12 2021

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

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt and 
  seas 8 to 10 feet at 9 seconds expected.

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

* 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
4 follow-up statements
070 
WHUS76 KMTR 121638
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
938 AM PDT Wed May 12 2021

PZZ570-130045-
/O.CON.KMTR.SC.Y.0097.210513T2200Z-210514T1000Z/
Waters from Point Arena to Point Reyes 10-60 NM-
938 AM PDT Wed May 12 2021

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

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt and 
  seas 8 to 10 feet at 9 seconds expected.

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

* 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
723 
WHUS76 KMTR 122138
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
238 PM PDT Wed May 12 2021

PZZ570-130545-
/O.NEW.KMTR.SC.Y.0098.210513T0400Z-210513T1600Z/
/O.CON.KMTR.SC.Y.0097.210513T2200Z-210514T1000Z/
Waters from Point Arena to Point Reyes 10-60 NM-
238 PM PDT Wed May 12 2021

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

* WHAT...For the first Small Craft Advisory, northwest winds 10 
  to 20 kt with gusts up to 30 kt expected. For the second Small 
  Craft Advisory, northwest winds 15 to 25 kt with gusts up to 
  35 kt and seas 8 to 10 feet at 9 seconds expected.

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

* WHEN...For the Small Craft Advisory, from 9 PM this evening to 
  9 AM PDT Thursday. For the Small Craft Advisory, 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
922 
WHUS76 KMTR 130351
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
851 PM PDT Wed May 12 2021

PZZ570-131200-
/O.CON.KMTR.SC.Y.0098.210513T0400Z-210513T1600Z/
/O.CON.KMTR.SC.Y.0097.210513T2200Z-210514T1000Z/
Waters from Point Arena to Point Reyes 10-60 NM-
851 PM PDT Wed May 12 2021

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

* WHAT...For the first Small Craft Advisory, northwest winds 10 
  to 20 kt with gusts up to 30 kt expected. For the second Small 
  Craft Advisory, northwest winds 15 to 25 kt with gusts up to 
  35 kt and seas 8 to 10 feet at 9 seconds expected.

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

* WHEN...For the Small Craft Advisory, from 9 PM this evening to 
  9 AM PDT Thursday. For the Small Craft Advisory, 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
281 
WHUS76 KMTR 130945
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
245 AM PDT Thu May 13 2021

PZZ570-131745-
/O.EXT.KMTR.SC.Y.0098.000000T0000Z-210515T1000Z/
/O.CAN.KMTR.SC.Y.0097.210513T2200Z-210514T1000Z/
Waters from Point Arena to Point Reyes 10-60 NM-
245 AM PDT Thu May 13 2021

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

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt and 
  seas 8 to 13 feet at 10 seconds.

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

* WHEN...Until 3 AM PDT 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.

&&

$$

PZZ571-131745-
/O.NEW.KMTR.SC.Y.0099.210514T1000Z-210515T1000Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
245 AM PDT Thu May 13 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM FRIDAY TO 3 AM PDT
SATURDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 8 to 12 feet at 10 seconds expected.

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

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

&&

$$

PZZ540-131745-
/O.NEW.KMTR.SC.Y.0099.210514T0400Z-210515T1000Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
245 AM PDT Thu May 13 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 3 AM
PDT SATURDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 6 to 11 feet at 9 seconds expected.

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

* WHEN...From 9 PM this evening to 3 AM PDT 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.

&&

$$

PZZ575-131745-
/O.NEW.KMTR.SC.Y.0099.210514T2200Z-210515T1000Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
245 AM PDT Thu May 13 2021

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

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 8 to 10 feet at 10 seconds expected.

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

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

&&

$$

PZZ530-131745-
/O.NEW.KMTR.SC.Y.0099.210514T1600Z-210515T0400Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
245 AM PDT Thu May 13 2021

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

* WHAT...Southwest winds 10 to 20 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 9 AM to 9 PM 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 12, 2:38 PM PDTSmall Craft AdvisoryMTR66 hr

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.