Alert archive / California / Beach Hazards Statements in 2022
Beach Hazards Statement 2, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Jan 22, 2022, 12:53 PM PST for 6 counties in California. It took effect at Jan 23, 2022, 1:00 PM PST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Jan 22, 2022, 12:53 PM PST (20:53 UTC)
- In effect from
- Jan 23, 2022, 1:00 PM PST
- Expired
- Jan 24, 2022, 1:00 PM PST
- In force
- 24 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 20:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Oakland, CA (KOAK), launched 12:00Z, 8.9 hours before the alert went out and 26 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3593 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
585 WHUS46 KMTR 222053 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 1253 PM PST Sat Jan 22 2022 ...LONG PERIOD NORTHWEST SWELL WILL BRING RISK OF SNEAKER WAVES TO BEACHES SUNDAY AFTERNOON TO MIDDAY MONDAY... .A northwest swell train is forecast to approach the coast midday Sunday and bring an increased risk of sneaker waves to area beaches. Initial forerunner waves of 1 to 2 feet at 21 to 22 seconds are possible through tomorrow morning, but the main risk will arrive with the 3 to 6 foot waves at 17 to 20 seconds Sunday afternoon into Monday morning. A beach hazard statement for sneaker waves is issued when the ocean state features a deceptively calm ocean with long lulls between large waves capable of knocking unsuspecting beachgoers off of coastal rocks, outcroppings, and into the cold, restless ocean. CAZ006-505-509-529-530-230600- /O.NEW.KMTR.BH.S.0002.220123T2100Z-220124T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 1253 PM PST Sat Jan 22 2022 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON... * WHAT...Northwest swell of 3 to 6 feet at 17 to 20 seconds will bring an increased risk of sneaker waves to area beaches. * WHERE...Entire Pacific coast from Sonoma to Monterey counties, highest risk at west to northwest facing beaches. * WHEN...From Sunday afternoon to midday Monday. * IMPACTS...Risk of sneaker waves and strong rip currents. * ADDITIONAL DETAILS...Long lulls are typical between hazardous sneakers waves and the ocean may appear relatively calm for up to 30 minutes between larger waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
6 follow-up statements
320 WHUS46 KMTR 230415 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 815 PM PST Sat Jan 22 2022 ...LONG PERIOD NORTHWEST SWELL WILL BRING RISK OF SNEAKER WAVES TO BEACHES SUNDAY AFTERNOON TO MIDDAY MONDAY... .A northwest swell train is forecast to approach the coast midday Sunday and bring an increased risk of sneaker waves to area beaches. Initial forerunner waves of 1 to 2 feet at 21 to 22 seconds are possible through tomorrow morning, but the main risk will arrive with the 3 to 6 foot waves at 17 to 20 seconds Sunday afternoon into Monday morning. A beach hazard statement for sneaker waves is issued when the ocean state features a deceptively calm ocean with long lulls between large waves capable of knocking unsuspecting beachgoers off of coastal rocks, outcroppings, and into the cold, restless ocean. CAZ006-505-509-529-530-231400- /O.CON.KMTR.BH.S.0002.220123T2100Z-220124T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 815 PM PST Sat Jan 22 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON... * WHAT...Northwest swell of 3 to 6 feet at 17 to 20 seconds will bring an increased risk of sneaker waves to area beaches. * WHERE...Coastal North Bay Including Point Reyes National Seashore, Southern Monterey Bay and Big Sur Coast, San Francisco Peninsula Coast, San Francisco and Northern Monterey Bay. * WHEN...From Sunday afternoon through Monday afternoon. * IMPACTS...Risk of sneaker waves and strong rip currents. * ADDITIONAL DETAILS...Long lulls are typical between hazardous sneakers waves and the ocean may appear relatively calm for up to 30 minutes between larger waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
351 WHUS46 KMTR 231334 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 534 AM PST Sun Jan 23 2022 ...LONG PERIOD NORTHWEST SWELL WILL BRING RISK OF SNEAKER WAVES TO BEACHES THIS AFTERNOON UNTIL MIDDAY MONDAY... .A northwest swell train is forecast to approach the coast midday today and bring an increased risk of sneaker waves to area beaches. Initial forerunner waves of 1 to 2 feet at 21 to 22 seconds are possible through the morning, but the main risk will arrive with the 3 to 6 foot waves at 17 to 20 seconds this afternoon into Monday morning. A beach hazard statement for sneaker waves is issued when the ocean state features a deceptively calm ocean with long lulls between large waves capable of knocking unsuspecting beachgoers off of coastal rocks, jetties, and outcroppings into the cold, restless ocean. CAZ006-505-509-529-530-232300- /O.CON.KMTR.BH.S.0002.220123T2100Z-220124T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 534 AM PST Sun Jan 23 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 1 PM PST THIS AFTERNOON THROUGH MONDAY AFTERNOON... * WHAT...Northwest swell of 3 to 6 feet at 17 to 20 seconds will bring an increased risk of sneaker waves to area beaches. * WHERE...Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, San Francisco, Northern Monterey Bay, Southern Monterey Bay and the Big Sur Coast. * WHEN...From 1 PM PST this afternoon through Monday afternoon. * IMPACTS...Risk of sneaker waves and strong rip currents. * ADDITIONAL DETAILS...Long lulls are typical between hazardous sneakers waves and the ocean may appear relatively calm for up to 30 minutes between larger waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement for sneaker waves means that conditions are present to support a heightened risk of unsuspecting beach goers being swept into the sea by a wave. People walking along the beach should never turn their back to the sea. Fisherman should avoid fishing from rocks or jetties. && $$
686 WHUS46 KMTR 232152 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 152 PM PST Sun Jan 23 2022 ...LONG PERIOD NORTHWEST SWELL WILL BRING RISK OF SNEAKER WAVES TO BEACHES THIS AFTERNOON UNTIL MIDDAY MONDAY... .A northwest swell train is forecast to approach the coast midday today and bring an increased risk of sneaker waves to area beaches. Initial forerunner waves of 1 to 2 feet at 21 to 22 seconds are possible through the morning, but the main risk will arrive with the 3 to 6 foot waves at 17 to 20 seconds this afternoon into Monday morning. A beach hazard statement for sneaker waves is issued when the ocean state features a deceptively calm ocean with long lulls between large waves capable of knocking unsuspecting beachgoers off of coastal rocks, jetties, and outcroppings into the cold, restless ocean. CAZ006-505-509-529-530-240500- /O.CON.KMTR.BH.S.0002.000000T0000Z-220124T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 152 PM PST Sun Jan 23 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY AFTERNOON... * WHAT...Northwest swell of 3 to 6 feet at 17 to 20 seconds will bring an increased risk of sneaker waves to area beaches. * WHERE...Coastal North Bay Including Point Reyes National Seashore, Southern Monterey Bay and Big Sur Coast, San Francisco Peninsula Coast, San Francisco and Northern Monterey Bay. * WHEN...From 1 PM PST this afternoon through Monday afternoon. * IMPACTS...Risk of sneaker waves and strong rip currents. * ADDITIONAL DETAILS...Long lulls are typical between hazardous sneakers waves and the ocean may appear relatively calm for up to 30 minutes between larger waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement for sneaker waves means that conditions are present to support a heightened risk of unsuspecting beach goers being swept into the sea by a wave. People walking along the beach should never turn their back to the sea. Fisherman should avoid fishing from rocks or jetties. && $$
664 WHUS46 KMTR 240435 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 835 PM PST Sun Jan 23 2022 ...LONG PERIOD NORTHWEST SWELL WILL BRING RISK OF SNEAKER WAVES TO BEACHES THIS AFTERNOON UNTIL MIDDAY MONDAY... .A northwest swell train will bring an increased risk of sneaker waves to area beaches. The main risk will be the 3 to 6 foot waves at 17 to 20 seconds lasting through Monday morning. A beach hazard statement for sneaker waves is issued when the ocean state features a deceptively calm ocean with long lulls between large waves capable of knocking unsuspecting beachgoers off of coastal rocks, jetties, and outcroppings into the cold, restless ocean. CAZ006-505-509-529-530-241400- /O.CON.KMTR.BH.S.0002.000000T0000Z-220124T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 835 PM PST Sun Jan 23 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY AFTERNOON... * WHAT...Northwest swell of 3 to 6 feet at 17 to 20 seconds will bring an increased risk of sneaker waves to area beaches. * WHERE...Coastal North Bay Including Point Reyes National Seashore, Southern Monterey Bay and Big Sur Coast, San Francisco Peninsula Coast, San Francisco and Northern Monterey Bay. * WHEN...Through Monday afternoon. * IMPACTS...Risk of sneaker waves and strong rip currents. * ADDITIONAL DETAILS...Long lulls are typical between hazardous sneakers waves and the ocean may appear relatively calm for up to 30 minutes between larger waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement for sneaker waves means that conditions are present to support a heightened risk of unsuspecting beach goers being swept into the sea by a wave. People walking along the beach should never turn their back to the sea. Fisherman should avoid fishing from rocks or jetties. && $$
615 WHUS46 KMTR 241344 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 544 AM PST Mon Jan 24 2022 ...LONG PERIOD NORTHWEST SWELL WILL BRING RISK OF SNEAKER WAVES TO BEACHES THIS AFTERNOON UNTIL MIDDAY MONDAY... .A long period northwest swell train has arrived to the coastal waters. Offshore buoys are reporting wave heights of 7 to 8 feet at 17 to 18 seconds, presenting a threat of sneaker waves and rip currents through the morning. A beach hazard statement for sneaker waves is issued when the ocean state features a deceptively calm ocean with long lulls between large waves capable of knocking unsuspecting beachgoers off of coastal rocks, jetties, and outcroppings into the cold, restless ocean. CAZ006-505-509-529-530-242100- /O.CON.KMTR.BH.S.0002.000000T0000Z-220124T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 544 AM PST Mon Jan 24 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * WHAT...Northwest swell of 7 to 8 feet at 17 to 18 seconds will bring an increased risk of sneaker waves to area beaches. * WHERE...Coastal North Bay Including Point Reyes National Seashore, Southern Monterey Bay and Big Sur Coast, San Francisco Peninsula Coast, San Francisco and Northern Monterey Bay. * WHEN...Until 1 PM PST this afternoon. * IMPACTS...Risk of sneaker waves and strong rip currents. * ADDITIONAL DETAILS...Long lulls are typical between hazardous sneakers waves and the ocean may appear relatively calm for up to 30 minutes between larger waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement for sneaker waves means that conditions are present to support a heightened risk of unsuspecting beach goers being swept into the sea by a wave. People walking along the beach should never turn their back to the sea. Fisherman should avoid fishing from rocks or jetties. && $$
775 WHUS46 KMTR 242059 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 1259 PM PST Mon Jan 24 2022 ...BEACH HAZARD STATEMENT HAS BEEN ALLOWED TO EXPIRE... CAZ006-505-509-529-530-242200- /O.EXP.KMTR.BH.S.0002.000000T0000Z-220124T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 1259 PM PST Mon Jan 24 2022 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 1 PM PST THIS AFTERNOON... Coastal buoys are registering periods that are diminishing to below 16 seconds. As the swell is beginning to build, breaking waves are starting to increase, with some favored beach locations seeing 12 to 15 foot breaking waves in the surf zone. It is recommended to stay off rocks and coastal jetties. If you are heading to the coast, despite this statement expiring, caution is still advised, stay alert of your surroundings and remember: never turn your back to the ocean! $$
Nearby
Beach Hazards Statements in California, 2022Every beach hazards statement in 2022
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.