Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 17, NWS San Diego, CA

March 21, 2021

NWS San Diego, CA issued this small craft advisory at Mar 21, 2021, 2:19 AM PDT. It took effect at Mar 21, 2021, 2:00 PM PDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Mar 21, 2021, 2:19 AM PDT (09:19 UTC)
In effect from
Mar 21, 2021, 2:00 PM PDT
Expired
Mar 22, 2021, 12:14 AM PDT
In force
10 hr
Issued by
NWS San Diego, CA

The text

As transmitted.

758 
WHUS76 KSGX 210919
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
219 AM PDT Sun Mar 21 2021

PZZ775-212200-
/O.NEW.KSGX.SC.Y.0017.210321T2100Z-210322T1000Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
219 AM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
3 AM PDT MONDAY...

* WHAT...Gusty northwest winds near 20 knots at times.

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

* WHEN...From 2 PM this afternoon to 3 AM PDT Monday.

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

* ADDITIONAL DETAILS...Winds will continue to be breezy each
  afternoon and evening Monday into Tuesday as well. An increase
  in swell will also occur Monday night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

APR
3 follow-up statements
775 
WHUS76 KSGX 211934
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1234 PM PDT Sun Mar 21 2021

PZZ775-220500-
/O.CON.KSGX.SC.Y.0017.210321T2100Z-210322T1000Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
1234 PM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY...

* WHAT...Northwest winds gusting to around 20 knots at times.

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

* WHEN...From 2 PM this afternoon to 3 AM PDT Monday.

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

* ADDITIONAL DETAILS...Winds will weaken during the nights and
  mornings and strengthen during the afternoons and evenings into
  Tuesday as well. Short-period west swells will increase Monday 
  night into Tuesday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
077 
WHUS76 KSGX 220421
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
921 PM PDT Sun Mar 21 2021

PZZ775-221000-
/O.CON.KSGX.SC.Y.0017.000000T0000Z-210322T1000Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
921 PM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY...

* WHAT...Northwest winds gusting to around 20 knots at times.

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

* WHEN...Through 3 AM PDT Monday.

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

* ADDITIONAL DETAILS...Winds will weaken during the nights and 
  mornings and strengthen during the afternoons and evenings 
  into Tuesday as well. Short-period west swells will increase 
  Monday night into Tuesday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

jmb
765 
WHUS76 KSGX 220714
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1214 AM PDT Mon Mar 22 2021

PZZ775-220815-
/O.CAN.KSGX.SC.Y.0017.000000T0000Z-210322T1000Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
1214 AM PDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds have decreased and are no longer expected to cause hazardous
conditions tonight.

$$

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.