Wednesday, April8, 2020
Privacy Policy
L-36.com


Marine Weather and Tides
Bayfield, WI

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:30AMSunset 7:49PM Wednesday April 8, 2020 10:34 AM CDT (15:34 UTC) Moonrise 7:41PMMoonset 6:10AM Illumination 99% Phase: Full Moon; Moon at 15 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
    EDIT      (on/off)   Help
LSZ147 Expires:201910010230;;020673 Fzus73 Kdlh 010026 Mwsdlh Marine Weather Statement National Weather Service Duluth Mn 726 Pm Cdt Mon Sep 30 2019 Lsz140>147-162-010230- 726 Pm Cdt Mon Sep 30 2019
.an line of Thunderstorms approaching western lake superior... The areas affected include... Duluth mn to port wing wi... Grand marais to taconite harbor mn... Grand portage to grand marais mn... Lake superior west of a line from saxon harbor wi to grand portage mn beyond 5nm... Port wing to sand island wi... Sand island to bayfield wi... Silver bay harbor to two harbors mn... Taconite harbor to silver bay harbor mn... Two harbors to duluth mn... At 726 pm cdt, doppler radar indicated a line of Thunderstorms, capable of producing winds to around 30 knots and cloud to water lightning. This area of Thunderstorms was located along a line extending from 13 nm northwest of beaver bay, to 16 nm west of duluth lift bridge channel, moving east at 40 knots. Locations impacted include... Raspberry island lighthouse, split rock bay, castle danger, sand island, barkers island, sugar loaf cove, horseshoe bay and safe harbor, tofte safe harbor, duluth lift bridge channel, twin points safe harbor, tofte, beaver bay, mouth of the cross river, bayfield peninsula sea caves, brule point, herbster, larsmont, superior harbor, and french river. Precautionary/preparedness actions... Mariners can expect gusty winds to around 33 knots...locally higher waves...and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. && lat...lon 4669 9229 4668 9224 4679 9214 4715 9149 4754 9093 4773 9051 4799 8945 4690 9080 4693 9086 4692 9095 4684 9110 4674 9149 4666 9201 4671 9210 4665 9213 4664 9229
LSZ147


7 Day Forecast for Marine Location Near Bayfield city, WI
   Hourly   EDIT   Help
location: 46.86, -90.85     debug


Area Discussion for - Duluth, MN
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
FXUS63 KDLH 081523 AAA AFDDLH

Area Forecast Discussion . UPDATED National Weather Service Duluth MN 1023 AM CDT Wed Apr 8 2020

UPDATE. Issued at 1006 AM CDT Wed Apr 8 2020

Updated for the 10 AM CDT Marine Discussion below.

SHORT TERM. (Today through Thursday) Issued at 440 AM CDT Wed Apr 8 2020

A weak disturbance is traversing across the International Border this morning, perhaps dropping a few sprinkles or flurries. Elsewhere, skies are mostly clear to partly cloudy. The main story today will be a cold front that will pass through this morning. As it does, northwest winds will increase and become rather gusty by mid-day and into the afternoon as a tight pressure gradient sets up. A potent upper level trough that will become closed off will move into the region from the northwest today, and this will produce a good deal of lift that will create some rather impressive mixing depths. Many of the short range models suggest mixing to 700 mb or perhaps even higher today for much of the region. This will allow for mid- level winds to mix down to the surface, and this will likely bring gusts as high as 25 to 35 mph today. In addition, enough moisture combined with fairly continuous lifting from the upper level trough will bring chances for pop-up variety convective showers late this afternoon. Precipitation type will be dependent on the intensity of the showers, with light rain most of the time but potentially some snow showers in areas of heavier precipitation due to adiabatic cooling. Not anticipating much QPF with these showers since they should be scattered and short in duration. Temperatures will warm up into the 40s today, but temperature fluctuations are expected in the afternoon due to passing showers. Expect a mix of clouds and sun today with generally increasing clouds in the afternoon.

The upper level closed low will continue to pivot about the region tonight into Thursday with gusty northwesterly cold air advection. This will keep a chance for some sprinkles/flurries overnight tonight, though the intensity should be less without the convective instability created by sunlight. There could be scattered dustings of snowfall as temperatures drop into the 20s overnight. Scattered showers of rain or snow are possible Thursday as the upper trough continues to pivot through, with the best chance over the Arrowhead and northwest Wisconsin closest to the closed off low to the east. Highs will reach the upper 30s to low 40s with mostly cloudy to overcast skies expected.

LONG TERM. (Thursday night through Tuesday) Issued at 440 AM CDT Wed Apr 8 2020

A vertically stacked low pressure system will slowly propagate east Thursday night into Friday, bringing some lighter winds and dry weather to the region. Temperatures will rise into the 40s with sunshine expected.

A fairly complex pattern is expected for the remainder of the extended period. An upper level trough will move into the eastern Rockies Saturday into Sunday, bringing in cold air from Canada and developing a strong surface low over the Plains. There remains disagreement between the models this far out, but the general consensus is for a strong spring storm to develop somewhere over the midwest, bringing the potential for accumulating snow for parts of the region. The GFS is further northwest with the low pressure center, bringing the highest QPF into northwest wisconsin. The Euro, on the other hand, has the surface low further southeast but a broader QPF field spreading perhaps into northeastern Minnesota. Both the GFS and Euro suggest the low will become nearly vertically stacked over or near Lake Superior Monday into Tuesday, which would keep snow or mixed precipitation chances for several days early next week. This system will have to be monitored in the next several days, as changes in the storm track and intensity are expected.

AVIATION. (For the 12Z TAFS through 12Z Thursday morning) Issued at 649 AM CDT Wed Apr 8 2020

VFR conditions are expected through the morning. An MVFR cloud deck over INL should depart quickly this morning. A cold front will pass through from west to east this morning, and gusty northwesterly winds will develop behind it, lasting today through Thursday. Gusts from 25 to 30 kt will be possible at times. Another concern starting generally late this afternoon is the possibility for some scattered showers of rain or snow. These could bring very brief MVFR ceilings and visibilities. The best chance for any reduced ceilings or visibilities due to showers will be late this afternoon into the early evening.

MARINE. Issued at 1023 AM CDT Wed Apr 8 2020

West to northwest winds will prevail across western Lake Superior today through the day Thursday, thanks to a tight pressure gradient building across the region. Winds have already become gusty this morning, particularly near the Duluth canal area, with gusts reported between 25 to 30 knots. We have bumped up the start time of the Small Craft Advisory to the present time due to the winds already starting to gust. Wave heights are increasing, but they seem to be around 1 to 2 feet at the most at this time.

The rest of the Small Craft Advisory remains unchanged, which will expand across the rest of western Lake Superior for this evening through the day Thursday. Gusts will remain between 20 to 30 knots, with some stronger gusts up to 35 knots possible along the Bayfield Peninsula, especially late tonight through Thursday morning. Wave heights along the Bayfield Peninsula will increase to between 3 to 5 feet tonight into Thursday.

PRELIMINARY POINT TEMPS/POPS. DLH 48 27 39 23 / 20 20 10 0 INL 43 23 38 18 / 30 30 10 0 BRD 47 27 40 23 / 20 20 10 0 HYR 52 28 42 24 / 10 20 10 0 ASX 50 29 41 26 / 10 20 10 0

DLH WATCHES/WARNINGS/ADVISORIES. WI . None. MN . None. LS . Small Craft Advisory from 10 PM this evening to 10 PM CDT Thursday for LSZ121-146>148.

Small Craft Advisory until 10 PM CDT Thursday for LSZ140>145.



UPDATE . JTS SHORT TERM . JDS LONG TERM . JDS AVIATION . JDS MARINE . JTS


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DISW3 - Devils Island, WI 16 mi35 min WSW 16 G 20 37°F 1006.2 hPa (+0.0)33°F
SXHW3 - Saxon Harbor, WI 30 mi55 min W 7 G 14 51°F 1005.8 hPa

Wind History for Duluth, MN
(wind in knots)    EDIT      (on/off)   Help
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
Last
24hr
SE1
E3
E1
NE2
E3
NE4
NE3
G6
NE4
E2
NE1
W3
G6
W6
NW9
G13
NW6
G9
NW10
G15
NW12
G17
NW11
G17
SW3
W2
W8
SW4
G7
SW6
W9
G13
NW17
G24
1 day
ago
E3
NE9
G12
NE12
G16
NE10
G17
NE13
G18
NE11
G18
NE7
G17
NE10
G15
E13
G18
E10
E11
G14
E7
G11
NE10
G13
E7
G10
NE4
E4
G7
NE2
NE6
G9
NE10
G14
NE6
G10
E4
G7
NE6
G11
SE3
S3
2 days
ago
NE6
E6
E8
G11
E8
E7
NE6
G10
NE6
G10
NE6
G11
NE7
G11
NE5
G8
NE6
G10
NE5
E7
E4
NE4
E4
E3
E4
NE3
NE4
NE5
G8
NE7
G10
NE4
G8
NE5
G8

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John F Kennedy Memorial Airport, WI22 mi42 minWNW 13 G 2310.00 miFair51°F34°F52%1007 hPa

Link to 5 minute data for KASX

Wind History from ASX (wind in knots)
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
Last 24hrNW34W10NW9
G18
W11NW6W6N5E4N4N3NE4S4S4W6W5W6SW5W6W8SW5W7SW9W13
G23
1 day agoNE3CalmN7N6N5N11N11N7N6N3CalmCalmCalmE3CalmNW3E3CalmE5N5N4SE3NW5Calm
2 days ago63NW4--N7E6N12N11N7N5N3N4N4NW3CalmCalmCalmSW3CalmCalmCalmNE5N4N4

Tide / Current Tables for
   EDIT   Weekend mode (on/off)   (on/off)   Help
Tide / Current Tables for
   EDIT      (on/off)   Help
Weather Map
       (on/off)   Help Weather Map
wmap_A
GEOS Local Image of GreatLakes    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Duluth, MN (11,2,3,4)
      (on/off)   Help

Ground Weather Radar Station Duluth, MN
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

Cookie Policy:
This website uses cookies to save your settings. No personal information is saved. I do not collect statistics on your visit. You can disable cookies in your browser if you like but it is not recommended for this site. I do not sell cookies. Go to a bakery for that. In fact I do not sell anything. To disable cookies from L-36.com, please refer to the Help button in your browser.
Privacy Policy:
I do not sell or share any user data or anything else for that matter. The only personal information I save is in the site log which has a line for each page view which includes the IP address your browser sends in the header as well as which page you requested. I use this to block hackers and other bad actors. I do not use this raw data to create profiles on users. I periodically delete the log files. If you are subject to CCPA, Google ads on this site will not be based on your past behavior so you will likely not see an ad for a lawn mower just because you looked for one at a big box website. I do not believe this site is subject to CCPA but I am doing what I can to follow the guidelines anyway.
Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.