636 

FZUS73 KDTX 191938

MWSDTX



Marine Weather Statement

National Weather Service Detroit/Pontiac MI

338 PM EDT Tue May 19 2026



LCZ422-460-LHZ443-192045-

/O.CON.KDTX.MA.W.0029.000000T0000Z-260519T2045Z/

338 PM EDT Tue May 19 2026



...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 445 PM EDT...



For the following areas...

Lake St. Clair Open Lake (U.S. Portion)...

Port Sanilac to Port Huron MI...

St. Clair River...



At 338 PM EDT, severe thunderstorms were located along a line

extending from Port Huron to near St. Clair to near New Baltimore,

moving east at 35 knots.



HAZARD...Wind gusts to nearly 50 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.



severe thunderstorms will be near...

  St. Clair and Port Huron around 345 PM EDT.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



&&



LAT...LON 4289 8247 4263 8251 4255 8259 4254 8266

      4237 8283 4235 8293 4244 8287 4252 8288

      4256 8284 4257 8278 4265 8281 4268 8271

      4272 8269 4270 8261 4264 8256 4265 8255

      4300 8247 4316 8254 4317 8247 4296 8242

TIME...MOT...LOC 1938Z 254DEG 33KT 4300 8243 4280 8262 4272 8278 



HAIL...>.75IN

WIND...49KTS



$$



KGK






278 

FZUS71 KGYX 191953

MWSGYX



Marine Weather Statement

National Weather Service Gray ME

353 PM EDT Tue May 19 2026



ANZ154-184-192100-

353 PM EDT Tue May 19 2026



...A STRONG THUNDERSTORM APPROACHING THE WATERS...



The areas affected include...

  Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 

  25 NM...

  Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 

  NM...



At 352 PM EDT, Doppler radar indicated a strong thunderstorm, capable

of producing winds to around 30 knots. This thunderstorm was located

near Portsmouth, moving east at 30 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.



This a strong thunderstorm will likely produce winds to around 30

knots, and could pose a serious hazard for boaters. A special marine

warning may eventually be required when this storm reaches the

nearshore waters. Boaters should consider heading for shore before

the storm arrives.



&&



LAT...LON 4281 7082 4280 7085 4282 7084 4282 7081

      4287 7083 4288 7083 4296 7081 4305 7073

      4309 7075 4310 7069 4315 7066 4329 7006

      4289 6991 4280 7080



$$



Palmer