Alert archive / Michigan / Beach Hazards Statements in 2023
Beach Hazards Statement 13, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Aug 3, 2023, 2:46 PM EDT for 6 counties in Michigan. It took effect at Aug 4, 2023, 2:00 PM EDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Aug 3, 2023, 2:46 PM EDT (18:46 UTC)
- In effect from
- Aug 4, 2023, 2:00 PM EDT
- Expired
- Aug 5, 2023, 12:52 AM EDT
- In force
- 11 hr
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 60 km from the middle of the area, began a volume at 18:44 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.8 hours before the alert went out and 214 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
- 1180 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 855 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.8
The text
As transmitted.
700 WHUS43 KGRR 031846 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 246 PM EDT Thu Aug 3 2023 MIZ037-043-050-056-064-071-040300- /O.NEW.KGRR.BH.S.0013.230804T1800Z-230805T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 246 PM EDT Thu Aug 3 2023 ...BEACH HAZARDS STATEMENT IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From Friday afternoon through late Friday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The highest waves will be on the north side of piers and structures, including Holland State Park and North Beach in South Haven. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
6 follow-up statements
172 WHUS43 KGRR 040317 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1117 PM EDT Thu Aug 3 2023 MIZ037-043-050-056-064-071-041130- /O.CON.KGRR.BH.S.0013.230804T1800Z-230805T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1117 PM EDT Thu Aug 3 2023 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From Friday afternoon through late Friday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The highest waves will be on the north side of piers and structures, including Holland State Park and North Beach in South Haven. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
453 WHUS43 KGRR 040746 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 346 AM EDT Fri Aug 4 2023 MIZ037-043-050-056-064-071-041600- /O.CON.KGRR.BH.S.0013.230804T1800Z-230805T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 346 AM EDT Fri Aug 4 2023 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From 2 PM EDT this afternoon through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The highest waves will be on the north side of piers and structures, including Holland State Park and North Beach in South Haven. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
394 WHUS43 KGRR 041623 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1223 PM EDT Fri Aug 4 2023 MIZ037-043-050-056-064-071-050030- /O.CON.KGRR.BH.S.0013.230804T1800Z-230805T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1223 PM EDT Fri Aug 4 2023 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...Through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The highest waves will be on the north side of piers and structures, including Holland State Park and North Beach in South Haven. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
804 WHUS43 KGRR 041906 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 306 PM EDT Fri Aug 4 2023 MIZ037-043-050-056-064-071-050315- /O.CON.KGRR.BH.S.0013.000000T0000Z-230805T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 306 PM EDT Fri Aug 4 2023 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...Until 2 AM EDT Saturday. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The highest waves will be on the north side of piers and structures, including Holland State Park and North Beach in South Haven. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
839 WHUS43 KGRR 050229 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1029 PM EDT Fri Aug 4 2023 MIZ037-043-050-056-064-071-050600- /O.CON.KGRR.BH.S.0013.000000T0000Z-230805T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1029 PM EDT Fri Aug 4 2023 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...Until 2 AM EDT Saturday. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
033 WHUS43 KGRR 050452 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1252 AM EDT Sat Aug 5 2023 MIZ037-043-050-056-064-071-050600- /O.CAN.KGRR.BH.S.0013.000000T0000Z-230805T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1252 AM EDT Sat Aug 5 2023 ...BEACH HAZARDS STATEMENT IS CANCELLED... Winds and waves have diminished. $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 2:40 PM EDT | Small Craft Advisory | GRR | 34 hr | |
| Aug 3, 6:08 PM EDT | Severe Thunderstorm Warning | GRR | Mason | 52 min |
| Aug 3, 7:28 PM EDT | Special Marine Warning | GRR | 62 min |
Nearby
Beach Hazards Statements in Michigan, 2023Every beach hazards statement in 2023
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.