Alert archive / California / Small Craft Advisories in 2021
Small Craft Advisory 24, NWS San Diego, CA
NWS San Diego, CA issued this small craft advisory at Oct 24, 2021, 1:49 AM PDT. It took effect at Oct 25, 2021, 11:00 AM PDT. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Oct 24, 2021, 1:49 AM PDT (08:49 UTC)
- In effect from
- Oct 25, 2021, 11:00 AM PDT
- Expired
- Oct 26, 2021, 2:16 AM PDT
- In force
- 15 hr
- Issued by
- NWS San Diego, CA
The text
As transmitted.
276 WHUS76 KSGX 240849 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 149 AM PDT Sun Oct 24 2021 PZZ750-775-242115- /O.NEW.KSGX.SC.Y.0024.211025T1800Z-211026T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 149 AM PDT Sun Oct 24 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT TUESDAY... * WHAT...Gusty southwest winds shifting to northwest with gusts 20 to 25 knots. * WHERE...Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm and Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...From 11 AM Monday to 5 AM PDT Tuesday. * IMPACTS...Strong winds and hazardous seas could capsize or damage vessels. * ADDITIONAL DETAILS...Gusty winds from the southwest will shift to the northwest with periods of light to moderate rain showers Monday afternoon and evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ APR
7 follow-up statements
377 WHUS76 KSGX 240909 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 209 AM PDT Sun Oct 24 2021 PZZ750-775-242115- /O.CON.KSGX.SC.Y.0024.211025T1800Z-211026T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 209 AM PDT Sun Oct 24 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT TUESDAY... * WHAT...Gusty southwest winds shifting to northwest with gusts 20 to 25 knots. Combined seas 6 to 8 feet with swells to 10 feet southeast of San Clemente Island. * WHERE...Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm and Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...From 11 AM Monday to 5 AM PDT Tuesday. * IMPACTS...Strong winds and hazardous seas could capsize or damage vessels. * ADDITIONAL DETAILS...Gusty winds from the southwest will shift to the northwest with periods of light to moderate rain showers Monday afternoon and evening. See Coastal Waters Forecast for more information. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
593 WHUS76 KSGX 242055 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 155 PM PDT Sun Oct 24 2021 PZZ750-775-250500- /O.CON.KSGX.SC.Y.0024.211025T1800Z-211026T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 155 PM PDT Sun Oct 24 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT TUESDAY... * WHAT...Gusty southwest winds shifting to northwest with gusts 20 to 25 knots. Combined seas 6 to 8 feet with swells to 10 feet southeast of San Clemente Island. * WHERE...Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm and Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...From 11 AM Monday to 5 AM PDT Tuesday. * IMPACTS...Strong winds and hazardous seas could capsize or damage vessels. * ADDITIONAL DETAILS...Gusty winds from the southwest will shift to the northwest with periods of light to moderate rain showers Monday afternoon and evening. See Coastal Waters Forecast for more information. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Small
999 WHUS76 KSGX 250337 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 837 PM PDT Sun Oct 24 2021 PZZ750-775-251315- /O.CON.KSGX.SC.Y.0024.211025T1800Z-211026T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 837 PM PDT Sun Oct 24 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT TUESDAY... * WHAT...Gusty southwest winds becoming northwest Monday evening. Gusts 25 to 30 knots in the outer waters and 20 to 25 knots in the inner waters. Combined seas 6 to 8 feet with swells to 10 feet southeast of San Clemente Island. * WHERE...Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm and Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...From 11 AM Monday to 5 AM PDT Tuesday. * IMPACTS...Strong winds and hazardous seas could capsize or damage vessels. * ADDITIONAL DETAILS...Gusty winds from the southwest will shift to the northwest with periods of light to moderate rain showers Monday afternoon and evening. See Coastal Waters Forecast for more information. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ CO
353 WHUS76 KSGX 250927 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 227 AM PDT Mon Oct 25 2021 PZZ750-775-252100- /O.CON.KSGX.SC.Y.0024.211025T1800Z-211026T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 227 AM PDT Mon Oct 25 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM PDT TUESDAY... * WHAT...Northwest winds 10 to 20 kt with gusts to 25 kt. 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 and Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm. * WHEN...From 11 AM this morning to 5 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...A frontal band of rain containing a distinct wind shift from southerly to westerly will move through the coastal waters from 3 to 7 pm. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
893 WHUS76 KSGX 252011 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 111 PM PDT Mon Oct 25 2021 PZZ750-775-260415- /O.CON.KSGX.SC.Y.0024.000000T0000Z-211026T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 111 PM PDT Mon Oct 25 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT TUESDAY... * WHAT...Northwest winds 10 to 20 kt with gusts 25 to 30 kt. Seas 6 to 11 feet expected. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island and Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm. * WHEN...Through 5 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...A frontal band of rain containing a distinct wind shift from southerly to westerly will move through the coastal waters from 2 to 7 pm. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ES
826 WHUS76 KSGX 260331 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 831 PM PDT Mon Oct 25 2021 PZZ750-775-261200- /O.CON.KSGX.SC.Y.0024.000000T0000Z-211026T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 831 PM PDT Mon Oct 25 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT TUESDAY... * WHAT...Northwest winds 15 to 20 kt with gusts to 25 kt and seas 7 to 12 feet expected. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island and Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm. * WHEN...Through 5 AM 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. && $$
884 WHUS76 KSGX 260916 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 216 AM PDT Tue Oct 26 2021 PZZ750-775-261030- /O.CAN.KSGX.SC.Y.0024.000000T0000Z-211026T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 216 AM PDT Tue Oct 26 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and seas are diminishing and will continue to do so early this morning. $$
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 1:20 AM PDT | High Surf Advisory | SGX | Orange, San Diego | 3 days |
| Oct 24, 1:38 PM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 36 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.