144 FZCA72 TJSJ 162300 MWSSJU Marine Weather Statement National Weather Service San Juan PR 700 PM AST Thu Apr 16 2026 AMZ733-735-741-742-745-170000- 700 PM AST Thu Apr 16 2026 ...A STRONG THUNDERSTORM OVER THE WATERS... The areas affected include... Caribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix... Coastal Waters OF Northwestern Puerto Rico out 10 NM... Coastal Waters OF Southwestern Puerto Rico out 10 NM... Coastal Waters of Southern Puerto Rico out 10 NM... Mona Passage Southward to 17N... At 658 PM AST, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located over the southwestern coastal and offshore Caribbean waters of Puerto Rico, moving west at 10 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 1810 6799 1820 6799 1820 6717 1816 6719 1813 6717 1813 6718 1804 6720 1802 6716 1798 6722 1796 6721 1796 6716 1742 6713 1742 6799 1809 6799 1809 6800 $$ GRS  861 FZUS73 KDTX 162315 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 715 PM EDT Thu Apr 16 2026 LCZ423-LEZ444-170000- /O.CON.KDTX.MA.W.0014.000000T0000Z-260417T0000Z/ 715 PM EDT Thu Apr 16 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 800 PM EDT... For the following areas... Detroit River... Michigan Waters of Lake Erie from Detroit River to North Cape MI... At 714 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 11 nm west of Lake Erie Metropark Harbor to near Monroe Harbor to Bolles Harbor Of Refuge to Luna Pier, moving east at 35 knots. HAZARD...Waterspouts, wind gusts to 40 knots, and small hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. severe thunderstorms will be near... Bolles Harbor Of Refuge, Monroe Harbor, Stony Point, Woodland Beach, Estral Beach, and Detroit Beach around 720 PM EDT. Lake Erie Metropark Harbor and Detroit River Light around 725 PM EDT. Elizabeth Park Marina and Gibraltar around 730 PM EDT. Grosse Ile around 735 PM EDT. Other locations impacted by severe thunderstorms include Woodland Beach, Stony Point, Estral Beach, Detroit Beach, and Gibraltar. PRECAUTIONARY/PREPAREDNESS ACTIONS... Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. && LAT...LON 4172 8347 4173 8345 4175 8349 4193 8337 4195 8328 4205 8321 4230 8314 4237 8295 4235 8293 4232 8306 4229 8310 4224 8313 4217 8313 4212 8312 4204 8315 4196 8311 4180 8333 4172 8341 TIME...MOT...LOC 2314Z 271DEG 34KT 4207 8348 4193 8339 4187 8337 4182 8343 WATERSPOUT...POSSIBLE HAIL...<.75IN WIND...40KTS $$ KGK  054 FZUS73 KDTX 162330 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 730 PM EDT Thu Apr 16 2026 LCZ423-162340- /O.CAN.KDTX.MA.W.0014.000000T0000Z-260417T0000Z/ 730 PM EDT Thu Apr 16 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Detroit River... The thunderstorm has weakened and no longer poses a significant threat to boaters. && LAT...LON 4172 8346 4173 8345 4175 8349 4193 8337 4195 8328 4203 8320 4200 8313 4196 8311 4196 8312 4180 8333 4172 8341 TIME...MOT...LOC 2330Z 263DEG 32KT 4191 8321 $$ LEZ444-170000- /O.CON.KDTX.MA.W.0014.000000T0000Z-260417T0000Z/ 730 PM EDT Thu Apr 16 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 800 PM EDT... For the following areas... Michigan Waters of Lake Erie from Detroit River to North Cape MI... At 730 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Monroe Harbor, moving east at 30 knots. HAZARD...Waterspouts and wind gusts to 40 knots. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4172 8346 4173 8345 4175 8349 4193 8337 4195 8328 4203 8320 4200 8313 4196 8311 4196 8312 4180 8333 4172 8341 TIME...MOT...LOC 2330Z 263DEG 32KT 4191 8321 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...40KTS $$ KGK  262 FZUS73 KDTX 162352 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 752 PM EDT Thu Apr 16 2026 LEZ444-170002- /O.EXP.KDTX.MA.W.0014.000000T0000Z-260417T0000Z/ 752 PM EDT Thu Apr 16 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 800 PM EDT... The affected areas were... Michigan Waters of Lake Erie from Detroit River to North Cape MI... The thunderstorm has moved out of the area and no longer poses a significant threat to boaters. && LAT...LON 4172 8346 4173 8345 4175 8349 4193 8337 4195 8328 4203 8320 4200 8313 4196 8311 4196 8312 4180 8333 4172 8341 TIME...MOT...LOC 2352Z 271DEG 30KT 4191 8298 $$ KGK