MarineWaypoints.com Weather Center

MarineWaypoints.com
Your guide to Boating, Diving, Fishing, Gear, Sailing, Weather and More!
Home • Articles • Books • Directory • News • Photos • Tides & Weather

Enter your "Place, State", US Zip Code or ICAO:    
For Example: "Boston, MA", 02101, or KBOS

Your Weather
(Options)

National Weather
 Marine Weather
 Marine Data Buoys
 Tides
 Tropical Storms
 National Radar Sites
 Satellite Maps
 Weather Maps
 

 

Travel
 Airport Conditions
 Road Conditions

Info
 Moon Phases
 Time Info
 Weather News

International
 Marine Weather
 Canadian Locations
 International Locations
 U.S. Locations
 Earthquakes
 Weather Agencies


Temperature Conversion
Type a value in one box
and click the Go button.
°F
°C


Wind Speed Calculator
Type a value in one box
and click the Go button.
KM
MPH
Knots

Information
 Weather Books
 Great Circle Calculator
 Sun & Moon Data
 Wind Scales
 Weather Calculators
 Weather Links
 National Hurricane Center
 NOAA Photo Library
 NOAA Weather Radio
 Mt. Washington, NH
 (windiest place in U.S.)

 

Marine Forecast
Expires:201711251745;;932514
FZUS63 KMQT 250937
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
437 AM EST Sat Nov 25 2017

For waters beyond five nautical miles of shore on Lake Superior

Waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. Occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.SYNOPSIS...A 29.2 inch low near James Bay will shift to 
northeastern Quebec this afternoon. The region will then be 
dominated by a strengthening high pressure ridge of 30.1 inches 
passing through the central United States late this afternoon 
through Sunday morning. A weak 29.9 inch trough will briefly 
influence Lake Superior Sunday, followed by another 30.1 inch 
ridge overnight. A developing low pressure system of 29.2 inches 
will then push through Manitoba and Ontario, reaching the Upper 
Great Lakes on late Monday night and into Tuesday. A high pressure
ridge of 30.2 inches returns over the region on Wednesday. 

LSZ263-251745-
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-
437 AM EST Sat Nov 25 2017

Gale Warning -  IN EFFECT SUNDAY MORNING...

.EARLY THIS MORNING...Northwest winds 15 to 25 knots. Isolated
rain and snow showers. Waves 4 to 7 feet occasionally to 9 feet. 
Today - Northwest winds 20 to 30 knots diminishing to 15 to
25 knots. Isolated snow showers in the morning. Waves subsiding
to 3 to 5 feet occasionally to 7 feet. 

Tonight - Northwest winds 10 to 20 knots backing west by midnight, then becoming southwest 20 to 30 knots late. Waves subsiding to 1 to 3 feet, then building to 3 to 6 feet occasionally to 8 feet. .SUNDAY...Southwest gales to 35 knots becoming west 20 to 30 knots by late morning, then becoming northwest 15 to 25 knots by mid afternoon. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. .SUNDAY NIGHT...North winds 5 to 15 knots veering east after midnight. Waves subsiding to calm to 2 feet. .MONDAY...Southeast winds 5 to 15 knots increasing to 15 to 25 knots in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet. .MONDAY NIGHT...South winds 15 to 25 knots becoming west 20 to 30 knots after midnight. Waves building to 3 to 6 feet occasionally to 8 feet. .TUESDAY...West gales to 35 knots. Waves building to 7 to 10 feet occasionally to 13 feet, then subsiding to 2 to 4 feet. .WEDNESDAY...Southwest winds 10 to 20 knots. A chance of snow showers. Waves subsiding to 1 to 3 feet, then building to 2 to 4 feet. $$


US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.

All weather information provided by MarineWaypoints.com should be used with caution.
We cannot guarantee that the data provided here is 100% accurate or up to date!


AddThis Social Bookmark Button

home  | about  |  contact  |  advertising  |  privacy  |  link to us

Copyright MarineWaypoints.com. All rights reserved.