Alert archive / California / Beach Hazards Statements in 2017
Beach Hazards Statement 3, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Mar 28, 2017, 2:31 AM PDT for 6 counties in California. It took effect at Mar 28, 2017, 7:00 AM PDT. It was in force for 37 hr.
The area
The counties it named.
The facts
- Issued
- Mar 28, 2017, 2:31 AM PDT (09:31 UTC)
- In effect from
- Mar 28, 2017, 7:00 AM PDT
- Expired
- Mar 29, 2017, 8:00 PM PDT
- In force
- 37 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 09:31 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 00:00Z, 9.5 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
- 1392 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
522 WHUS46 KMTR 280931 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 231 AM PDT TUE MAR 28 2017 ...LONG PERIOD NORTHWEST SWELL BRINGS THREAT OF BEACH HAZARDS ON TUESDAY... .VERY LONG PERIOD FORERUNNER WAVES ARE ARRIVING BEFORE THE PREDAWN HOURS ON TUESDAY MORNING. THE SWELL HEIGHTS WILL INCREASE THROUGH THE DAY AND WILL BRING THE THREAT OF BEACH HAZARDS PRIMARILY TO WEST AND NORTHWEST FACING BEACHES ALONG THE CENTRAL COAST INTO TUESDAY EVENING. HAZARDS INCLUDE AN INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LARGE SHORE BREAKS. CAZ006-505-509-529-530-282215- /O.NEW.KMTR.BH.S.0003.170328T1400Z-170329T0300Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 231 AM PDT TUE MAR 28 2017 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 AM PDT THIS MORNING THROUGH THIS EVENING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR LARGE SHORE BREAKS...INCREASED RISK OF RIP CURRENTS...AND INCREASED CHANCE OF SNEAKER WAVES...WHICH IS IN EFFECT FROM 7 AM PDT THIS MORNING THROUGH THIS EVENING. * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...TUESDAY SUNRISE TO SUNSET. * LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD... TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
4 follow-up statements
154 WHUS46 KMTR 282017 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 117 PM PDT TUE MAR 28 2017 ...LARGE LONG PERIOD SWELLS WILL CONTINUE TO IMPACT THE CENTRAL COAST OF CALIFORNIA THROUGH THIS EVENING AND POSSIBLY LATER... .SWELL HEIGHTS WILL SLOWLY DECREASE TONIGHT AND INTO TOMORROW MORNING. HOWEVER...WAVE HEIGHTS ARE STILL EXPECTED BE RELATIVELY HIGH AT MOST BEACHES ON WEDNESDAY. THE POSSIBILITY OF EXTENDING THE BEACH HAZARDS STATEMENT WILL BE ASSESSED LATER THIS AFTERNOON. THE THREAT OF BEACH HAZARDS ARE PRIMARILY TO WEST AND NORTHWEST FACING BEACHES ALONG THE CENTRAL COAST INTO THIS EVENING. HAZARDS INCLUDE AN INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LARGE SHORE BREAKS. CAZ006-505-509-529-530-290300- /O.CON.KMTR.BH.S.0003.000000T0000Z-170329T0300Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 117 PM PDT TUE MAR 28 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...TUESDAY SUNRISE TO SUNSET. * LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD... TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
910 WHUS46 KMTR 282019 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 119 PM PDT TUE MAR 28 2017 ...LARGE LONG PERIOD SWELLS WILL CONTINUE TO IMPACT THE CENTRAL COAST OF CALIFORNIA THROUGH THIS EVENING AND POSSIBLY LATER... .SWELL HEIGHTS WILL SLOWLY DECREASE TONIGHT AND INTO TOMORROW MORNING. HOWEVER...WAVE HEIGHTS ARE STILL EXPECTED TO BE RELATIVELY HIGH AT MOST BEACHES ON WEDNESDAY. THE POSSIBILITY OF EXTENDING THE BEACH HAZARDS STATEMENT WILL BE ASSESSED LATER THIS AFTERNOON. THE THREAT OF BEACH HAZARDS ARE PRIMARILY TO WEST AND NORTHWEST FACING BEACHES ALONG THE CENTRAL COAST INTO THIS EVENING. HAZARDS INCLUDE AN INCREASED RISK OF RIP CURRENTS... SNEAKER WAVES...AND LARGE SHORE BREAKS. CAZ006-505-509-529-530-290300- /O.CON.KMTR.BH.S.0003.000000T0000Z-170329T0300Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 119 PM PDT TUE MAR 28 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...TUESDAY SUNRISE TO SUNSET. * LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD... TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
215 WHUS46 KMTR 290257 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 757 PM PDT TUE MAR 28 2017 ...LARGE LONG PERIOD SWELLS WILL CONTINUE TO IMPACT THE COASTLINE FROM NORTHERN SONOMA COUNTY TO SOUTHERN MONTEREY COUNTY TONIGHT THROUGH 8 PM PDT WEDNESDAY EVENING... .THE BEACH HAZARD STATEMENT HAS BEEN EXTENDED THROUGH 8 PM PDT WEDNESDAY EVENING. THE THREAT OF BEACH HAZARDS IS PRIMARILY ALONG WEST TO NORTHWEST FACING BEACHES. HAZARDS INCLUDE AN INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LARGE SHORE BREAKS. CAZ006-505-509-529-530-300300- /O.EXT.KMTR.BH.S.0003.000000T0000Z-170330T0300Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 757 PM PDT TUE MAR 28 2017 ...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH 8 PM PDT WEDNESDAY EVENING... * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...TONIGHT THROUGH 8 PM PDT WEDNESDAY. * LOCATION...THE COASTLINE FROM NORTHERN SONOMA COUNTY SOUTH THROUGH SOUTHERN MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH...MARINA STATE BEACH...MONTEREY STATE BEACH...AND ASILOMAR STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD... TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS POTENTIALLY DANGEROUS CONDITIONS EXIST SPECIFICALLY WEST TO NORTHWEST FACING BEACHES. THESE HAZARDS INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...AND SNEAKER WAVES... ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
635 WHUS46 KMTR 291224 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 524 AM PDT WED MAR 29 2017 ...LARGE LONG PERIOD SWELLS WILL CONTINUE TO IMPACT THE COASTLINE FROM NORTHERN SONOMA COUNTY TO SOUTHERN MONTEREY COUNTY ON WEDNESDAY... .THE BEACH HAZARD STATEMENT CONTINUES THROUGH 8 PM PDT WEDNESDAY EVENING. THE THREAT OF BEACH HAZARDS IS PRIMARILY ALONG WEST TO NORTHWEST FACING BEACHES. HAZARDS INCLUDE AN INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LARGE SHORE BREAKS. CAZ006-505-509-529-530-300300- /O.CON.KMTR.BH.S.0003.000000T0000Z-170330T0300Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 524 AM PDT WED MAR 29 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...THROUGH 8 PM PDT WEDNESDAY. * LOCATION...THE COASTLINE FROM NORTHERN SONOMA COUNTY SOUTH THROUGH SOUTHERN MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH...MARINA STATE BEACH...MONTEREY STATE BEACH...AND ASILOMAR STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD... TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS POTENTIALLY DANGEROUS CONDITIONS EXIST SPECIFICALLY WEST TO NORTHWEST FACING BEACHES. THESE HAZARDS INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...AND SNEAKER WAVES... ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 8:47 PM PDT | Small Craft Advisory for Rough Bar | MTR | 45 hr | |
| Mar 28, 2:53 AM PDT | Small Craft Advisory | MTR | 18 hr |
Nearby
Beach Hazards Statements in California, 2017Every beach hazards statement in 2017
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.