562 FZUS73 KDTX 211301 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 901 AM EDT Tue Jul 21 2026 LCZ423-460-211330- 901 AM EDT Tue Jul 21 2026 A Marine Weather Statement has been issued for the following areas... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... At 900 AM EDT, Doppler radar indicated developing thunderstorms, capable of producing winds up to 30 knots. This thunderstorm was located over St. Clair Shores, moving east at 55 knots. The strong thunderstorm will be near... St. Clair Shores around 905 AM EDT. St Clair Flats Old Channel Light around 910 AM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds up to 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 4255 8259 4256 8263 4254 8266 4237 8283 4232 8306 4229 8310 4221 8313 4220 8320 4225 8318 4233 8312 4239 8295 4244 8291 4253 8291 4260 8284 4261 8253 $$ SF  790 WHUS51 KCLE 211305 SMWCLE LEZ148-149-168-169-211430- /O.NEW.KCLE.MA.W.0073.260721T1305Z-260721T1430Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Cleveland OH 905 AM EDT Tue Jul 21 2026 The National Weather Service in Cleveland has issued a * Special Marine Warning for... Nearshore and Open waters from Geneva-on-the-lake OH to Ripley NY... * Until 1030 AM EDT. * At 905 AM EDT, a strong thunderstorm was located 9 nm north of Ashtabula, moving east at 45 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Erie, Geneva-On-The-Lake, Ashtabula, and Conneaut. LAT...LON 4184 8095 4217 8093 4227 7996 4217 7989 TIME...MOT...LOC 1305Z 262DEG 46KT 4205 8080 HAIL...<.75IN WIND...>34KTS $$ 77  557 FZUS71 KCLE 211305 MWSCLE Marine Weather Statement National Weather Service Cleveland OH 905 AM EDT Tue Jul 21 2026 LEZ146-147-166-167-211315- /O.EXP.KCLE.MA.W.0072.000000T0000Z-260721T1315Z/ 905 AM EDT Tue Jul 21 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 915 AM EDT... The affected areas were... Nearshore and Open waters from Avon Point OH to Geneva-on-the-lake OH... The thunderstorms have weakened and no longer pose a significant threat to boaters. LAT...LON 4147 8202 4160 8199 4174 8200 4195 8095 4187 8095 4146 8172 TIME...MOT...LOC 1305Z 263DEG 47KT 4176 8106 4177 8046 $$ 77  541 WUUS51 KBUF 211308 SVRBUF NYC013-211415- /O.NEW.KBUF.SV.W.0078.260721T1308Z-260721T1415Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Buffalo NY 908 AM EDT Tue Jul 21 2026 The National Weather Service in Buffalo has issued a * Severe Thunderstorm Warning for... Chautauqua County in western New York... * Until 1015 AM EDT. * At 907 AM EDT, a severe thunderstorm was located over Findley Lake, or 17 miles east of Erie, moving east at 60 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Jamestown, Lakewood, Falconer, Mayville, Clymer, Long Point State Park, Jamestown West, Chautauqua Institution, Findley Lake, and Frewsburg. This includes Interstate 86 between exits 4 and 14. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4224 7976 4237 7906 4200 7906 4200 7976 TIME...MOT...LOC 1307Z 254DEG 51KT 4214 7974 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Hitchcock  620 FZUS73 KDTX 211309 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 909 AM EDT Tue Jul 21 2026 LEZ444-211345- 909 AM EDT Tue Jul 21 2026 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... Michigan Waters of Lake Erie from Detroit River to North Cape MI... At 908 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds up to 30 knots. This thunderstorm was located 14 nm northwest of Luna Pier, or 15 nm northwest of Bolles Harbor Of Refuge, moving east at 55 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds up to 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 4178 8350 4180 8349 4195 8337 4196 8328 4210 8324 4210 8319 4209 8318 4210 8315 4209 8314 4209 8317 4207 8317 4208 8319 4203 8319 4203 8317 4201 8313 4196 8311 4180 8333 4173 8340 $$ SF  433 WWUS51 KCLE 211309 SVSCLE Severe Weather Statement National Weather Service Cleveland OH 909 AM EDT Tue Jul 21 2026 PAC049-211330- /O.CON.KCLE.SV.W.0187.000000T0000Z-260721T1330Z/ Erie PA- 909 AM EDT Tue Jul 21 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM EDT FOR NORTHEASTERN ERIE COUNTY... At 909 AM EDT, a severe thunderstorm was located over Findley Lake, or 16 miles east of Erie, moving east at 50 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Public. IMPACT...Minor damage to vehicles is possible. Expect damage to trees and power lines. Locations impacted include... Corry, North East, and Wattsburg. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4227 7977 4201 7976 4200 7975 4200 7962 4195 7961 4194 7978 4195 7985 4194 7987 4195 7989 4222 7993 TIME...MOT...LOC 1309Z 255DEG 44KT 4212 7977 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 77  688 WWUS51 KCLE 211315 SVSCLE Severe Weather Statement National Weather Service Cleveland OH 915 AM EDT Tue Jul 21 2026 PAC049-211325- /O.CAN.KCLE.SV.W.0187.000000T0000Z-260721T1330Z/ Erie PA- 915 AM EDT Tue Jul 21 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ERIE COUNTY IS CANCELLED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Cleveland. LAT...LON 4227 7977 4201 7976 4200 7975 4200 7962 4195 7961 4194 7978 4195 7985 4194 7987 4195 7989 4222 7993 TIME...MOT...LOC 1314Z 262DEG 46KT 4213 7966 $$ 77  400 FZUS71 KCLE 211322 MWSCLE Marine Weather Statement National Weather Service Cleveland OH 922 AM EDT Tue Jul 21 2026 LEZ148-149-168-169-211430- /O.CON.KCLE.MA.W.0073.000000T0000Z-260721T1430Z/ 922 AM EDT Tue Jul 21 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT... For the following areas... Nearshore and Open waters from Geneva-on-the-lake OH to Ripley NY... At 922 AM EDT, a severe thunderstorm was located 9 nm north of Conneaut, moving east at 45 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... Erie. LAT...LON 4217 7989 4192 8071 4220 8068 4227 7996 TIME...MOT...LOC 1322Z 262DEG 46KT 4208 8051 HAIL...>.75IN WIND...40KTS $$ 77  949 WWUS51 KBUF 211343 SVSBUF Severe Weather Statement National Weather Service Buffalo NY 943 AM EDT Tue Jul 21 2026 NYC013-211415- /O.CON.KBUF.SV.W.0078.000000T0000Z-260721T1415Z/ Chautauqua NY- 943 AM EDT Tue Jul 21 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM EDT FOR CHAUTAUQUA COUNTY... At 942 AM EDT, a severe thunderstorm was located near Falconer, or near Jamestown, moving east at 55 mph. Another cluster of strong to severe thunderstorms was located near Erie, moving east at 50 mph and may move into western Chautauqua County after 1000 AM. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Jamestown, Lakewood, Falconer, Mayville, Clymer, Long Point State Park, Jamestown West, Chautauqua Institution, Findley Lake, and Frewsburg. This includes Interstate 86 between exits 4 and 14. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4224 7976 4237 7906 4200 7906 4200 7976 TIME...MOT...LOC 1342Z 259DEG 48KT 4216 7913 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Hitchcock  419 WHUS51 KBUF 211347 SMWBUF LEZ040-041-061-211445- /O.NEW.KBUF.MA.W.0080.260721T1347Z-260721T1445Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Buffalo NY 947 AM EDT Tue Jul 21 2026 The National Weather Service in Buffalo has issued a * Special Marine Warning for... Lake Erie from Ripley to Sunset Bay... * Until 1045 AM EDT. * At 947 AM EDT, a strong thunderstorm was located 9 nm west of Ripley, or 10 nm northeast of Erie, moving east at 45 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Van Buren Point, Dunkirk, Barcelona, Ripley, and Sunset Bay. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4228 7973 4234 7982 4248 7985 4264 7943 4259 7907 4253 7912 4250 7922 4246 7932 4243 7938 4238 7943 4228 7963 TIME...MOT...LOC 1347Z 258DEG 47KT 4224 7992 HAIL...<.75IN WIND...40KTS $$ Hitchcock  064 WUUS51 KBUF 211358 SVRBUF NYC013-211500- /O.NEW.KBUF.SV.W.0079.260721T1358Z-260721T1500Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Buffalo NY 958 AM EDT Tue Jul 21 2026 The National Weather Service in Buffalo has issued a * Severe Thunderstorm Warning for... Chautauqua County in western New York... * Until 1100 AM EDT. * At 957 AM EDT, a severe thunderstorm was located 7 miles northeast of North East, or 21 miles northeast of Erie, moving east at 55 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Dunkirk, Fredonia, Westfield, Silver Creek, Mayville, Chautauqua Institution, Lake Erie State Park, SUNY Fredonia, Chautauqua, and Portland. This includes Interstate 90 between exits 58 and 61. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4244 7950 4251 7942 4257 7923 4257 7911 4254 7906 4228 7906 4215 7976 4227 7976 4228 7973 4231 7977 TIME...MOT...LOC 1357Z 251DEG 49KT 4231 7976 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Hitchcock  673 FZUS71 KCLE 211359 MWSCLE Marine Weather Statement National Weather Service Cleveland OH 959 AM EDT Tue Jul 21 2026 LEZ148-149-168-169-211409- /O.CAN.KCLE.MA.W.0073.000000T0000Z-260721T1430Z/ 959 AM EDT Tue Jul 21 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Nearshore and Open waters from Geneva-on-the-lake OH to Ripley NY... The thunderstorm has moved out of the area and no longer poses a significant threat to boaters. LAT...LON 4217 7989 4192 8071 4220 8068 4227 7996 TIME...MOT...LOC 1356Z 262DEG 46KT 4215 7987 $$ 77