FROM: NWS Detroit/Pontiac MI
AREA: St. Clair River
SENT: 2026-07-21T12:40:00-04:00
Marine Weather Statement issued July 21 at 12:40PM EDT by NWS Detroit/Pontiac MI
The areas affected include…
St. Clair River…
At 1240 PM EDT, Doppler radar indicated a strong thunderstorm,
capable of producing winds up to 30 knots. This thunderstorm was
located 13 nm northwest of St. Clair, moving east at 20 knots.
The strong thunderstorm will be near…
St. Clair around 105 PM EDT.
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.
This strong thunderstorm will likely produce winds up to 30 knots,
and could pose a serious hazard for boaters. A special marine warning
may eventually be required when this strong thunderstorm reaches the
nearshore waters. Boaters should consider heading for shore before
this strong thunderstorm arrives.
Alert Expiration: 2026-07-21T13:45:00-04:00
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