993 FZUS76 KMTR 211700 MWSMTR Marine Weather Statement National Weather Service San Francisco CA 1000 AM PDT Tue Apr 21 2026 PZZ535-560-565-575-576-220200- Monterey Bay- Coastal Waters from Pigeon Point to Point Pinos California out to 10 NM- Coastal Waters from Point Pinos to Point Piedras Blancas California out to 10 NM- Waters from Pigeon Point to Point Pinos 10-60 NM- Waters from Point Pinos to Point Piedras Blancas 10-60 NM- 1000 AM PDT Tue Apr 21 2026 ...THUNDERSTORMS EXPECTED ACROSS THE SOUTHERN COASTAL WATERS AND MONTEREY BAY THROUGH THIS EVENING... There is a chance for thunderstorms through Tuesday evening across the southern coastal waters and Monterey Bay. Thunderstorms will bring the threat of cloud to ocean lightning, strong and erratic winds, brief heavy rain, and small hail. These conditions can create hazardous ocean conditions, especially for smaller vessels. Mariners are advised to have a plan to reach safe harbor quickly if thunderstorms develop. $$  826 WHUS53 KMKX 211724 SMWMKX LMZ645-673-211800- /O.NEW.KMKX.MA.W.0020.260421T1724Z-260421T1800Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Milwaukee/Sullivan WI 1224 PM CDT Tue Apr 21 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Special Marine Warning for... Lake Michigan nearshore and open waters to mid lake from North Point Light WI to Wind Point WI... * Until 100 PM CDT. * At 1224 PM CDT, a strong thunderstorm was located over southeastern Milwaukee, moving east at 25 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4302 8750 4282 8759 4285 8783 4288 8785 4289 8784 4289 8785 4291 8784 4297 8785 4300 8789 4304 8790 TIME...MOT...LOC 1724Z 276DEG 23KT 4295 8790 HAIL...<.75IN WIND...>34KTS $$ CMILLER  793 WUUS53 KMKX 211725 SVRMKX WIC079-211745- /O.NEW.KMKX.SV.W.0102.260421T1725Z-260421T1745Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Milwaukee/Sullivan WI 1225 PM CDT Tue Apr 21 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Southeastern Milwaukee County in southeastern Wisconsin... * Until 1245 PM CDT. * At 1225 PM CDT, a severe thunderstorm was located over Cudahy, moving east at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Milwaukee, Oak Creek, South Milwaukee, Cudahy, and St. Francis. Other landmarks included are the following Location General Mitchell International Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4290 8785 4290 8794 4299 8793 4299 8788 4298 8785 4296 8785 4294 8784 4291 8784 TIME...MOT...LOC 1725Z 276DEG 23KT 4295 8787 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ CMILLER  409 WWUS53 KMKX 211732 SVSMKX Severe Weather Statement National Weather Service Milwaukee/Sullivan WI 1232 PM CDT Tue Apr 21 2026 WIC079-211742- /O.CAN.KMKX.SV.W.0102.000000T0000Z-260421T1745Z/ Milwaukee WI- 1232 PM CDT Tue Apr 21 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MILWAUKEE COUNTY IS CANCELLED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. && LAT...LON 4290 8785 4290 8794 4299 8793 4299 8788 4298 8785 4296 8785 4294 8784 4291 8784 TIME...MOT...LOC 1730Z 276DEG 23KT 4294 8780 $$ CMILLER  053 WHUS56 KLOX 211743 SMWLOX PZZ645-670-211945- /O.NEW.KLOX.MA.W.0054.260421T1743Z-260421T1945Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service OXNARD CA 1043 AM PDT Tue Apr 21 2026 The National Weather Service in OXNARD has issued a * Special Marine Warning for... Point Piedras Blancas to Point Sal from 10 to 60 NM... Point Piedras Blancas to Point Sal westward out to 10 NM... * Until 1245 PM PDT. * At 1037 AM PDT, a strong thunderstorm was located 55 nm southwest of Point Sur, or 85 nm west of Morro Bay, moving east to northeast at 25 knots. HAZARD...Wind gusts 34 knots or greater, small hail and frequent lightning. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Point Piedras Blancas. && LAT...LON 3567 12127 3564 12117 3559 12112 3508 12227 3537 12249 3549 12263 3555 12275 3565 12283 TIME...MOT...LOC 1737Z 241DEG 25KT 3552 12258 HAIL...0.00IN WIND...>34KTS $$ Munroe  185 WUUS53 KMKX 211744 SVRMKX WIC101-211830- /O.NEW.KMKX.SV.W.0103.260421T1744Z-260421T1830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Milwaukee/Sullivan WI 1244 PM CDT Tue Apr 21 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Racine County in southeastern Wisconsin... * Until 130 PM CDT. * At 1244 PM CDT, a severe thunderstorm was located near Waterford North, or near Wind Lake, moving east at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Racine, Mount Pleasant, Sturtevant, Wind Lake, Rochester, Raymond, Yorkville, Wind Point, Waterford North, Eagle Lake, Caledonia, Waterford, Elmwood Park, North Bay, Franksville, and North Cape. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4276 8777 4271 8777 4267 8779 4267 8781 4273 8825 4283 8825 4282 8780 4278 8775 TIME...MOT...LOC 1744Z 272DEG 23KT 4278 8817 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ CMILLER  104 WHUS53 KMKX 211745 SMWMKX LMZ645-646-673-675-211830- /O.NEW.KMKX.MA.W.0021.260421T1745Z-260421T1830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Milwaukee/Sullivan WI 1245 PM CDT Tue Apr 21 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Special Marine Warning for... Lake Michigan nearshore and open waters to mid lake from North Point Light WI to Winthrop Harbor IL... * Until 130 PM CDT. * At 1245 PM CDT, a severe thunderstorm was located 11 nm southwest of Oak Creek, moving east at 35 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4286 8761 4268 8761 4268 8778 4273 8776 4276 8777 4278 8775 4284 8781 4284 8782 4286 8784 TIME...MOT...LOC 1745Z 266DEG 37KT 4279 8813 HAIL...>.75IN WIND...>34KTS $$ DDV  231 WWUS53 KMKX 211757 SVSMKX Severe Weather Statement National Weather Service Milwaukee/Sullivan WI 1257 PM CDT Tue Apr 21 2026 WIC101-211830- /O.CON.KMKX.SV.W.0103.000000T0000Z-260421T1830Z/ Racine WI- 1257 PM CDT Tue Apr 21 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR NORTHEASTERN RACINE COUNTY... At 1257 PM CDT, a severe thunderstorm was located over Raymond, or near Wind Lake, moving east at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Racine, Mount Pleasant, Sturtevant, Raymond, Yorkville, Wind Point, Eagle Lake, Caledonia, Elmwood Park, North Bay, Franksville, and North Cape. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4276 8777 4271 8777 4267 8779 4267 8781 4271 8813 4283 8806 4282 8780 4278 8775 TIME...MOT...LOC 1757Z 272DEG 23KT 4278 8805 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ CMILLER