Alert archive / California / Small Craft Advisories in 2021
Small Craft Advisory 21, NWS San Diego, CA
NWS San Diego, CA issued this small craft advisory at May 18, 2021, 12:46 PM PDT. It took effect at May 19, 2021, 2:00 PM PDT. It was in force for 63 hr.
The area
The counties it named.
The facts
- Issued
- May 18, 2021, 12:46 PM PDT (19:46 UTC)
- In effect from
- May 19, 2021, 2:00 PM PDT
- Expired
- May 22, 2021, 5:00 AM PDT
- In force
- 63 hr
- Issued by
- NWS San Diego, CA
The text
As transmitted.
150 WHUS76 KSGX 181946 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 1246 PM PDT Tue May 18 2021 PZZ775-190400- /O.NEW.KSGX.SC.Y.0021.210519T2100Z-210522T1200Z/ Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 1246 PM PDT Tue May 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM WEDNESDAY TO 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 7 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 2 PM Wednesday to 5 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Connolly
11 follow-up statements
713 WHUS76 KSGX 190340 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 840 PM PDT Tue May 18 2021 PZZ775-191300- /O.CON.KSGX.SC.Y.0021.210519T2100Z-210522T1200Z/ Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 840 PM PDT Tue May 18 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM WEDNESDAY TO 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with 25 to 30 kt and seas 7 to 10 feet expected. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...From 2 PM Wednesday to 5 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ SS
775 WHUS76 KSGX 190911 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 211 AM PDT Wed May 19 2021 PZZ775-192200- /O.CON.KSGX.SC.Y.0021.210519T2100Z-210522T1200Z/ Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 211 AM PDT Wed May 19 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts 25 to 30 kt. 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...From 2 PM this afternoon to 5 AM PDT Saturday. Highest winds and seas Thursday afternoon and Thursday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
514 WHUS76 KSGX 192006 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 106 PM PDT Wed May 19 2021 PZZ775-200500- /O.CON.KSGX.SC.Y.0021.210519T2100Z-210522T1200Z/ Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 106 PM PDT Wed May 19 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts 25 to 30 kt. Isolated higher gusts. Seas 6 to 12 feet. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...Through 5 AM PDT Saturday. Highest winds and seas Thursday afternoon and Thursday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Schenk
267 WHUS76 KSGX 200411 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 911 PM PDT Wed May 19 2021 PZZ775-201300- /O.CON.KSGX.SC.Y.0021.000000T0000Z-210522T1200Z/ Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 911 PM PDT Wed May 19 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts 25 to 30 kt. Isolated higher gusts Thursday evening. Seas 7 to 10 feet. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...Through 5 AM PDT Saturday. Highest winds and seas Thursday afternoon through Thursday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ SS
751 WHUS76 KSGX 200909 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 209 AM PDT Thu May 20 2021 PZZ775-202200- /O.CON.KSGX.SC.Y.0021.000000T0000Z-210522T1200Z/ Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 209 AM PDT Thu May 20 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts 25 to 30 kt. Isolated higher gusts this evening. Seas 7 to 13 feet. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...Through 5 AM PDT Saturday. Highest winds and seas this afternoon through tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
270 WHUS76 KSGX 202016 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 116 PM PDT Thu May 20 2021 PZZ750-210500- /O.EXA.KSGX.SC.Y.0021.000000T0000Z-210522T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- 116 PM PDT Thu May 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT SATURDAY... * WHAT...Northwest winds to 15 kt with gusts to 25 kt. Isolated gusts to 30 kts this evening. Combined seas 6 to 10 feet. * WHERE...Western portions of the coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm. * WHEN...Through 5 AM PDT Saturday. Highest winds and seas this afternoon through tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ775-210500- /O.CON.KSGX.SC.Y.0021.000000T0000Z-210522T1200Z/ Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 116 PM PDT Thu May 20 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts 25 to 30 kt. Isolated higher gusts this evening. Combined seas 8 to 13 feet. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...Through 5 AM PDT Saturday. Highest winds and seas this afternoon through tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Schenk
872 WHUS76 KSGX 210351 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 851 PM PDT Thu May 20 2021 PZZ750-775-211330- /O.CON.KSGX.SC.Y.0021.000000T0000Z-210522T1200Z/ 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- 851 PM PDT Thu May 20 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt in the outer waters, with gusts to 21 kt in western portions of the inner coastal waters. Combined seas 6-8 feet in the inner waters and up to 13 feet in the outer waters. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...Through 5 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ CO
079 WHUS76 KSGX 210951 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 251 AM PDT Fri May 21 2021 PZZ750-775-212200- /O.CON.KSGX.SC.Y.0021.000000T0000Z-210522T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 251 AM PDT Fri May 21 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts 25 to 30 kt in the outer waters, with gusts 20 to 25 kt in western portions of the inner waters. Combined seas 6 to 8 feet in the inner waters and up to 11 feet in the outer waters. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...Through 5 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Connolly
461 WHUS76 KSGX 212005 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 105 PM PDT Fri May 21 2021 PZZ750-775-220500- /O.CON.KSGX.SC.Y.0021.000000T0000Z-210522T1200Z/ 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- 105 PM PDT Fri May 21 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts 25 to 30 kt in the outer waters, with gusts 20 to 25 kt in western portions of the inner waters. Combined seas 6 to 8 feet in the inner waters and up to 10 feet in the outer waters. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...Through 5 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Schenk
769 WHUS76 KSGX 220425 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 925 PM PDT Fri May 21 2021 PZZ750-775-221200- /O.CON.KSGX.SC.Y.0021.000000T0000Z-210522T1200Z/ Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island- 925 PM PDT Fri May 21 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts 25 to 30 kt. The winds will not be as strong closer to the coast but still will be around 20 kt. Combined seas 6 to 8 feet in the inner waters and 8 to 10 feet in the outer waters. * WHERE...Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island. * WHEN...Through 5 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ jmb
249 WHUS76 KSGX 221148 MWWSGX URGENT - MARINE WEATHER MESSAGE National Weather Service SAN DIEGO CA 448 AM PDT Sat May 22 2021 PZZ750-775-221300- /O.EXP.KSGX.SC.Y.0021.000000T0000Z-210522T1200Z/ 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- 448 AM PDT Sat May 22 2021 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 5 AM PDT EARLY THIS MORNING... Winds have diminished below criteria, and seas will continue to decrease this morning, therefore the small craft will be allowed to expire at 5 AM. $$ Connolly
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 1:29 PM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 3 days |
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.