Alert archive / Alaska / High Surf Advisories in 2021
High Surf Advisory 1, NWS Anchorage, AK
NWS Anchorage, AK issued this high surf advisory at Jul 27, 2021, 3:50 PM AKDT. It took effect at Jul 28, 2021, 12:00 AM AKDT. It was in force for 27 hr.
The area
The counties it named.
The facts
- Issued
- Jul 27, 2021, 3:50 PM AKDT (23:50 UTC)
- In effect from
- Jul 28, 2021, 12:00 AM AKDT
- Expired
- Jul 29, 2021, 3:04 AM AKDT
- In force
- 27 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted.
547 WHAK42 PAFC 272350 CFWALU Coastal Hazard Message National Weather Service Anchorage AK 350 PM AKDT Tue Jul 27 2021 AKZ155-290000- /O.NEW.PAFC.SU.Y.0001.210728T0800Z-210729T1600Z/ Kuskokwim Delta- 350 PM AKDT Tue Jul 27 2021 ...HIGH SURF ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM AKDT THURSDAY FOR THE KUSKOKWIM DELTA COAST... The National Weather Service in Anchorage has issued a High Surf Advisory, which is in effect from midnight tonight to 8 AM AKDT Thursday. * LOCATION...Kuskokwim Delta Coast. * WAVES AND SURF...1 to 2 feet above the normal high tide. * TIMING...Midnight tonight through 8 AM Thursday. * IMPACTS...Persistent southerly flow of 25 to 35 kts (30 to 40 mph) tonight through Thursday morning will cause water to pile up against the shoreline with waves of 2 to 3 feet on top of the water rise. This will lead to minor coastal flooding as well as minor beach erosion. PRECAUTIONARY/PREPAREDNESS ACTIONS... A high surf advisory means that high surf will affect beaches in the advisory area, producing rip currents and localized beach erosion. && $$
3 follow-up statements
999 WHAK42 PAFC 281218 CFWALU Coastal Hazard Message National Weather Service Anchorage AK 418 AM AKDT Wed Jul 28 2021 AKZ155-291600- /O.CON.PAFC.SU.Y.0001.000000T0000Z-210729T1600Z/ Kuskokwim Delta- 418 AM AKDT Wed Jul 28 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM AKDT THURSDAY FOR THE KUSKOKWIM DELTA COAST... * LOCATION...Kuskokwim Delta Coast. * WAVES AND SURF...1 to 2 feet above the normal high tide. * TIMING...Through 8 AM Thursday. * IMPACTS...Persistent southerly flow of 25 to 35 kts (30 to 40 mph) through Thursday morning will cause water to pile up against the shoreline with waves of 2 to 3 feet on top of the water rise. This will lead to minor coastal flooding as well as minor beach erosion. PRECAUTIONARY/PREPAREDNESS ACTIONS... A high surf advisory means that high surf will affect beaches in the advisory area, producing rip currents and localized beach erosion. && $$
515 WHAK42 PAFC 282359 CFWALU Coastal Hazard Message National Weather Service Anchorage AK 359 PM AKDT Wed Jul 28 2021 AKZ155-291300- /O.CON.PAFC.SU.Y.0001.000000T0000Z-210729T1600Z/ Kuskokwim Delta- 359 PM AKDT Wed Jul 28 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM AKDT THURSDAY FOR THE KUSKOKWIM DELTA COAST... * LOCATION...Kuskokwim Delta Coast. * WAVES AND SURF...1 to 2 feet above the normal high tide. * TIMING...Through 8 AM Thursday. * IMPACTS...Persistent southerly flow of 25 to 35 kts (30 to 40 mph) continues through Thursday morning. As a result, expect water to continue to pile up against the shoreline with waves of 2 to 3 feet on top of the water rise. This will lead to minor beach erosion. * ADDITIONAL INFORMATION...Another potent low pressure system is expected to take a similar track to the current storm Friday night through early Sunday. Even though it won't be as strong, the antecedent conditions will help to set the stage for another round of high surf and possibly beach erosion. PRECAUTIONARY/PREPAREDNESS ACTIONS... A high surf advisory means that high surf will affect beaches in the advisory area, producing rip currents and localized beach erosion. && $$
236 WHAK42 PAFC 291104 CFWALU Coastal Hazard Message National Weather Service Anchorage AK 304 AM AKDT Thu Jul 29 2021 AKZ155-291215- /O.CAN.PAFC.SU.Y.0001.000000T0000Z-210729T1600Z/ Kuskokwim Delta- 304 AM AKDT Thu Jul 29 2021 ...HIGH SURF ADVISORY IS CANCELLED FOR THE KUSKOKWIM DELTA COAST... Winds along the Kuskokwim Delta coast have begun to decrease with surge levels expected to drop off, and the threat for any coastal flooding has thue ended. Higher than normal water levels along the coast during high tides and rough seas near the coast remain possible through the rest of the morning. $$
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 4:19 PM AKDT | Gale Warning | AFC | 47 hr | |
| Jul 27, 3:44 AM AKDT | Small Craft Advisory | AFC | 3 days | |
| Jul 27, 4:08 AM AKDT | Gale Warning | AFC | 24 hr | |
| Jul 27, 4:08 AM AKDT | Small Craft Advisory | AFC | 8 days | |
| Jul 27, 3:33 PM AKDT | Small Craft Advisory | AFC | 60 hr | |
| Jul 27, 3:47 PM AKDT | Small Craft Advisory | AFC | 12 hr |
Nearby
High Surf Advisories in Alaska, 2021Every high surf 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.