Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 211, NWS San Francisco Bay Area, CA

September 17, 2021

NWS San Francisco Bay Area, CA issued this small craft advisory at Sep 17, 2021, 3:07 AM PDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 17, 2021, 3:07 AM PDT (10:07 UTC)
Expired
Sep 17, 2021, 9:00 AM PDT
In force
6 hr
Issued by
NWS San Francisco Bay Area, CA

The text

As transmitted.

632 
WHUS76 KMTR 171007
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
307 AM PDT Fri Sep 17 2021

PZZ571-171600-
/O.EXP.KMTR.SC.Y.0210.000000T0000Z-210917T1000Z/
/O.NEW.KMTR.SC.Y.0211.210917T1007Z-210917T1600Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
307 AM PDT Fri Sep 17 2021

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

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

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

* WHEN...Until 9 AM PDT 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.

&&

$$

PZZ540-171115-
/O.EXP.KMTR.SC.Y.0210.000000T0000Z-210917T1000Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 nm-
307 AM PDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

WINDS HAVE FALLEN BELOW SMALL CRAFT CRITERIA.

$$

PZZ570-171600-
/O.CON.KMTR.SC.Y.0210.000000T0000Z-210917T1600Z/
Waters from Point Arena to Point Reyes 10-60 NM-
307 AM PDT Fri Sep 17 2021

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

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 8 to 11 feet at 9 seconds.

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

* WHEN...Until 9 AM PDT 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
1 follow-up statement
624 
WHUS76 KMTR 171601
MWWMTR

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
901 AM PDT Fri Sep 17 2021

PZZ570-171715-
/O.EXP.KMTR.SC.Y.0210.000000T0000Z-210917T1600Z/
Waters from Point Arena to Point Reyes 10-60 NM-
901 AM PDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Northwest winds will continue to weaken as the morning progresses.

$$

PZZ571-171715-
/O.EXP.KMTR.SC.Y.0211.000000T0000Z-210917T1600Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
901 AM PDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Northwest winds will continue to weaken as the morning progresses.

$$

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
Sep 17, 12:50 PM PDTFire Weather WatchMTR45 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.