Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 18, NWS San Diego, CA

March 22, 2021

NWS San Diego, CA issued this small craft advisory at Mar 22, 2021, 2:05 AM PDT. It took effect at Mar 22, 2021, 1:00 PM PDT. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued
Mar 22, 2021, 2:05 AM PDT (09:05 UTC)
In effect from
Mar 22, 2021, 1:00 PM PDT
Expired
Mar 23, 2021, 9:00 PM PDT
In force
32 hr
Issued by
NWS San Diego, CA

The text

As transmitted.

132 
WHUS76 KSGX 220905
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
205 AM PDT Mon Mar 22 2021

PZZ775-222100-
/O.NEW.KSGX.SC.Y.0018.210322T2000Z-210324T0400Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
205 AM PDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
9 PM PDT TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 6 to 11 feet expected.

* WHERE...Waters from San Mateo point to the Mexican Border 
  Extending 30 to 60 nm out including San Clemente Island.

* WHEN...From 1 PM this afternoon to 9 PM PDT 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.

&&

$$
5 follow-up statements
430 
WHUS76 KSGX 221949
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1249 PM PDT Mon Mar 22 2021

PZZ775-230500-
/O.CON.KSGX.SC.Y.0018.210322T2000Z-210324T0400Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
1249 PM PDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT
TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 6 to 10 feet expected.

* WHERE...Waters from San Mateo point to the Mexican Border 
  Extending 30 to 60 nm out including San Clemente Island.

* WHEN...From 1 PM this afternoon to 9 PM PDT 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.

&&

$$
663 
WHUS76 KSGX 230454
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
954 PM PDT Mon Mar 22 2021

PZZ775-231300-
/O.CON.KSGX.SC.Y.0018.000000T0000Z-210324T0400Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
954 PM PDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT
TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 6 to 10 feet expected.

* WHERE...Waters from San Mateo point to the Mexican Border 
  Extending 30 to 60 nm out including San Clemente Island.

* WHEN...Through 9 PM PDT 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.

&&

$$

Maxwell
620 
WHUS76 KSGX 230922
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
222 AM PDT Tue Mar 23 2021

PZZ775-232130-
/O.CON.KSGX.SC.Y.0018.000000T0000Z-210324T0400Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
222 AM PDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  seas 6 to 12 feet expected.

* WHERE...Waters from San Mateo point to the Mexican Border 
  Extending 30 to 60 nm out including San Clemente Island.

* WHEN...Until 9 PM PDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
354 
WHUS76 KSGX 231918
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1218 PM PDT Tue Mar 23 2021

PZZ775-240400-
/O.CON.KSGX.SC.Y.0018.000000T0000Z-210324T0400Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
1218 PM PDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  seas 6 to 12 feet.

* WHERE...Waters from San Mateo point to the Mexican Border 
  Extending 30 to 60 nm out including San Clemente Island.

* WHEN...Until 9 PM PDT this evening.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
709 
WHUS76 KSGX 240406
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
906 PM PDT Tue Mar 23 2021

PZZ775-240515-
/O.EXP.KSGX.SC.Y.0018.000000T0000Z-210324T0400Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
906 PM PDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds will diminish this evening and the Small Craft Advisory was
allowed to expire at 9 PM. 

$$

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 22, 3:48 AM PDTWind AdvisorySGXRiverside, San Bernardino, San Diego26 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.