Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 18, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Aug 21, 2021, 8:59 AM EDT for 6 counties in Michigan. It took effect at Aug 22, 2021, 2:00 AM EDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Aug 21, 2021, 8:59 AM EDT (12:59 UTC)
- In effect from
- Aug 22, 2021, 2:00 AM EDT
- Expired
- Aug 22, 2021, 11:00 PM EDT
- In force
- 21 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 13:00 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, 1.0 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
- 144 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
238 WHUS43 KGRR 211259 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 859 AM EDT Sat Aug 21 2021 MIZ037-043-212100- /O.NEW.KGRR.BH.S.0018.210822T0600Z-210823T0000Z/ Mason-Oceana- 859 AM EDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...From late tonight through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous on Sunday. Swimming is not advised close to the pier at Stearns Park in Ludington and at Mears State Park in Pentwater. Structural currents near the pier could pull you out to deep water quickly. 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. && $$
7 follow-up statements
980 WHUS43 KGRR 211759 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 159 PM EDT Sat Aug 21 2021 MIZ050-056-064-071-220200- /O.EXB.KGRR.BH.S.0018.210822T1500Z-210823T0000Z/ Muskegon-Ottawa-Allegan-Van Buren- 159 PM EDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous on Sunday afternoon and evening. Swimming is not advised close to the pier at Holland State Park and at North Beach in South Haven. Structural currents near the pier could pull you out to deep water quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ037-043-220200- /O.CON.KGRR.BH.S.0018.210822T0600Z-210823T0000Z/ Mason-Oceana- 159 PM EDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...From late tonight through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous on Sunday. Swimming is not advised close to the pier at Stearns Park in Ludington and at Mears State Park in Pentwater. Structural currents near the pier could pull you out to deep water quickly. 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. && $$
737 WHUS43 KGRR 220303 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1103 PM EDT Sat Aug 21 2021 MIZ037-043-221115- /O.CON.KGRR.BH.S.0018.210822T0600Z-210823T0000Z/ Mason-Oceana- 1103 PM EDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 AM EDT SUNDAY THROUGH SUNDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...From late tonight through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous on Sunday. Swimming is not advised close to the pier at Stearns Park in Ludington and at Mears State Park in Pentwater. Structural currents near the pier could pull you out to deep water quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ050-056-064-071-221115- /O.CON.KGRR.BH.S.0018.210822T1500Z-210823T0000Z/ Muskegon-Ottawa-Allegan-Van Buren- 1103 PM EDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous on Sunday afternoon and evening. Swimming is not advised close to the pier at Holland State Park and at North Beach in South Haven. Structural currents near the pier could pull you out to deep water quickly. 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. && $$ DUKE
272 WHUS43 KGRR 220744 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 344 AM EDT Sun Aug 22 2021 MIZ037-043-221545- /O.CON.KGRR.BH.S.0018.000000T0000Z-210823T0000Z/ Mason-Oceana- 344 AM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...From late tonight through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous today. Swimming is not advised close to the pier at Stearns Park in Ludington and at Mears State Park in Pentwater. Structural currents near the pier could pull you out to deep water quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ050-056-064-071-221545- /O.CON.KGRR.BH.S.0018.210822T1500Z-210823T0000Z/ Muskegon-Ottawa-Allegan-Van Buren- 344 AM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From late morning through early evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous on Sunday afternoon and evening. Swimming is not advised close to the pier at Holland State Park and at North Beach in South Haven. Structural currents near the pier could pull you out to deep water quickly. 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. && $$ wdm
847 WHUS43 KGRR 221438 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1038 AM EDT Sun Aug 22 2021 MIZ037-043-222245- /O.CON.KGRR.BH.S.0018.000000T0000Z-210823T0000Z/ Mason-Oceana- 1038 AM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous today. Swimming is not advised close to the pier at Stearns Park in Ludington and at Mears State Park in Pentwater. Structural currents near the pier could pull you out to deep water quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ050-056-064-071-222245- /O.CON.KGRR.BH.S.0018.210822T1500Z-210823T0000Z/ Muskegon-Ottawa-Allegan-Van Buren- 1038 AM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous on Sunday afternoon and evening. Swimming is not advised close to the pier at Holland State Park, North Beach in South Haven, and at Muskegon State Park. Structural currents near the pier could pull you out to deep water quickly. 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. && $$
965 WHUS43 KGRR 221939 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 339 PM EDT Sun Aug 22 2021 MIZ037-043-230000- /O.CON.KGRR.BH.S.0018.000000T0000Z-210823T0000Z/ Mason-Oceana- 339 PM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous today. Swimming is not advised close to the pier at Stearns Park in Ludington and at Mears State Park in Pentwater. Structural currents near the pier could pull you out to deep water quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ050-056-064-071-230000- /O.CON.KGRR.BH.S.0018.000000T0000Z-210823T0000Z/ Muskegon-Ottawa-Allegan-Van Buren- 339 PM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous on Sunday afternoon and evening. Swimming is not advised close to the pier at Holland State Park, North Beach in South Haven, and at Muskegon State Park. Structural currents near the pier could pull you out to deep water quickly. 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. && $$
436 WHUS43 KGRR 222251 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 651 PM EDT Sun Aug 22 2021 MIZ037-043-230300- /O.EXT.KGRR.BH.S.0018.000000T0000Z-210823T0300Z/ Mason-Oceana- 651 PM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 11 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous this evening. Swimming is not advised close to the pier at Stearns Park in Ludington and at Mears State Park in Pentwater. Structural currents near the pier could pull you out to deep water quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ050-056-064-071-230300- /O.EXT.KGRR.BH.S.0018.000000T0000Z-210823T0300Z/ Muskegon-Ottawa-Allegan-Van Buren- 651 PM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 11 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of north piers will be most hazardous this evening. Swimming is not advised close to the pier at Holland State Park, North Beach in South Haven, and at Muskegon State Park. Structural currents near the pier could pull you out to deep water quickly. 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. && $$
037 WHUS43 KGRR 230251 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1051 PM EDT Sun Aug 22 2021 MIZ037-043-230400- /O.EXP.KGRR.BH.S.0018.000000T0000Z-210823T0300Z/ Mason-Oceana- 1051 PM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 11 PM EDT THIS EVENING... The waves will fall to 1 to 3 feet overnight. $$ MIZ050-056-064-071-230400- /O.EXP.KGRR.BH.S.0018.000000T0000Z-210823T0300Z/ Muskegon-Ottawa-Allegan-Van Buren- 1051 PM EDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 11 PM EDT THIS EVENING... The waves will fall to 1 to 3 feet overnight. $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:52 AM EDT | Small Craft Advisory | GRR | 38 hr |
Nearby
Beach Hazards Statements in Michigan, 2021Every beach hazards statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.