Marine Weather Statement for Ontonagon to Upper Entrance of Portage Canal MI; Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park
Official alert fields
What you need to know
- Applies to
- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park, Ontonagon to Upper Entrance of Portage Canal MI
- Effective
- Ended
- Official severity
- Minor
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
A Marine Weather Statement has been issued for the following areas... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Ontonagon to Upper Entrance of Portage Canal MI... At 723 AM EDT, Doppler radar indicated a...
What the bulletin says to do
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 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 strong thunderstorm reaches the nearshore waters. Boaters should consider heading for shore before this strong thunderstorm arrives.
Full official description
Bulletin details
A Marine Weather Statement has been issued for the following areas... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Ontonagon to Upper Entrance of Portage Canal MI... At 723 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This thunderstorm was located 25 nm southeast of The Western Lake Superior Buoy, moving east at 40 knots.
Lifecycle record
Official revisions
- Alert
Marine Weather Statement issued July 27 at 7:23AM EDT by NWS Marquette MI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Marquette MI. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected