Alert archive / California / Small Craft Advisories in 2019

Small Craft Advisory 21, NWS San Diego, CA

November 24, 2019

NWS San Diego, CA issued this small craft advisory at Nov 24, 2019, 9:43 PM PST. It took effect at Nov 25, 2019, 5:00 PM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Nov 24, 2019, 9:43 PM PST (05:43 UTC)
In effect from
Nov 25, 2019, 5:00 PM PST
Expired
Nov 26, 2019, 2:24 AM PST
In force
9 hr
Issued by
NWS San Diego, CA

The text

As transmitted.

600 
WHUS76 KSGX 250543
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Diego CA
943 PM PST Sun Nov 24 2019

PZZ775-251400-
/O.NEW.KSGX.SC.Y.0021.191126T0100Z-191126T1700Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
943 PM PST Sun Nov 24 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM MONDAY TO 9 AM PST
TUESDAY...

The National Weather Service in San Diego has issued a Small
Craft Advisory...which is in effect from 5 PM Monday to 9 AM PST
Tuesday. 

* Winds...West to northwest 15 to 20 knots with gusts to 25 knots,
  mainly south of San Clemente Island and mainly Monday evening.

* Waves/Seas...Combined seas 7 to 10 feet mainly late Monday night
  and early Tuesday morning. Swell period will be mostly 12 to 14
  seconds. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners...especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

Maxwell
4 follow-up statements
245 
WHUS76 KSGX 251049
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Diego CA
249 AM PST Mon Nov 25 2019

PZZ775-252230-
/O.CON.KSGX.SC.Y.0021.191126T0100Z-191126T1700Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
249 AM PST Mon Nov 25 2019

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 9 AM PST TUESDAY...

* Winds...West to northwest 15 to 20 knots with gusts to 25 knots,
  mainly south of San Clemente Island and mainly this evening. 

* Waves/Seas...Combined seas 7 to 10 feet late tonight through
  Tuesday morning. Swell period 12 to 15 seconds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners...especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$
472 
WHUS76 KSGX 252129
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Diego CA
129 PM PST Mon Nov 25 2019

PZZ775-260600-
/O.CON.KSGX.SC.Y.0021.191126T0100Z-191126T1700Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
129 PM PST Mon Nov 25 2019

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 9 AM PST TUESDAY...

* Winds...West to northwest 15 to 20 knots with gusts to 25 
  knots, mainly south of San Clemente Island and mainly this 
  evening. 

* Waves/Seas...Combined seas 7 to 10 feet late tonight through 
  Tuesday morning. Swell period 12 to 15 seconds. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners...especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

Connolly
325 
WHUS76 KSGX 260538
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Diego CA
938 PM PST Mon Nov 25 2019

PZZ775-261400-
/O.CON.KSGX.SC.Y.0021.000000T0000Z-191126T1700Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
938 PM PST Mon Nov 25 2019

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
TUESDAY...

* Winds...West to northwest 15 to 20 knots 25 knots South of San
  Clemente Island through early tonight.

* Waves/Seas...Combined seas 7 to 9 feet late through Tuesday
  morning. Short periods 7 to 9 seconds at times, resulting in 
  steep waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners...especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

Rodriguez
744 
WHUS76 KSGX 261024
MWWSGX

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Diego CA
224 AM PST Tue Nov 26 2019

PZZ775-261130-
/O.CAN.KSGX.SC.Y.0021.000000T0000Z-191126T1700Z/
Waters from San Mateo point to the Mexican Border Extending 30 to
60 nm out including San Clemente Island-
224 AM PST Tue Nov 26 2019

...SMALL CRAFT ADVISORY IS CANCELLED...

The National Weather Service in San Diego has cancelled the Small
Craft Advisory. 

Winds have calmed and seas will subside this morning.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 25, 2:15 AM PSTHigh Wind WarningSGXRiverside, San Bernardino17 hr
Nov 25, 2:15 AM PSTWind AdvisorySGXRiverside, San Bernardino, San Diego17 hr
Nov 25, 1:16 PM PSTWinter Storm WarningSGXOrange, Riverside, San Bernardino, San Diego4 days
Nov 25, 1:24 PM PSTDust Storm WarningSGXSan Bernardino96 min

Nearby

Small Craft Advisories in California, 2019Every small craft advisory in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.