Re: [Paddlewise] more like "wave heights" but was pressurize the boat

From: mike dziobak <mdziobak_at_mtu.edu>
Date: Tue, 3 Apr 2007 21:04:49 -0400 (EDT)
Doug wrote:
....snip
> paddler doubles their estimate and then a newspaper reported factors in
> another doubling, well, it doesn't take long to have 20 foot seas on the
> Great Lakes at half the needed 60 knots to really generate those seas. On
....snip

Check out this forecast for the inshore waters south shore Lake Superior:

NATIONAL WEATHER SERVICE MARQUETTE MI
533 PM EDT TUE APR 3 2007
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE
LSZ241-242-040600-

UPPER ENTRANCE OF PORTAGE CANAL TO MANITOU ISLAND MI-
533 PM EDT TUE APR 3 2007
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...GALE WARNING NOW IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY AFTERNOON...
.TONIGHT...NE WIND TO 30 KT INCREASING TO GALES TO 35 KT BY
MIDNIGHT...THEN BACKING N LATE. SNOW. WAVES 4 TO 6 FT BUILDING TO
15 TO 20 FT.
.WED...N GALES TO 40 KT. SNOW SHOWERS. WAVES BUILDING TO 20 TO 25
FT.
.WED NIGHT...NW GALES TO 35 KT. SNOW SHOWERS. WAVES 20 TO 25 FT.

I can't find my wind speed/wave height tables but is this even possible
with only 40 kt gales? I won't be out there in my kayak but I'll be
looking for a protected cove with my surfboard.
-mike
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Received on Tue Apr 03 2007 - 18:05:08 PDT

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