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Marine Weather and Tides
Version 3.4 |
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 5:31AM | Sunset 8:57PM | Friday July 19, 2019 5:54 PM CDT (22:54 UTC) | Moonrise 9:41PM | Moonset 7:00AM | Illumination 92% |  |
LSZ147 Expires:201907181415;;251747 Fzus73 Kdlh 181312 Mwsdlh Marine Weather Statement National Weather Service Duluth Mn 812 Am Cdt Thu Jul 18 2019 Lsz121-146>148-162-181415- 812 Am Cdt Thu Jul 18 2019
.an area of Thunderstorms over western lake superior... The areas affected include... Chequamegon bay-bayfield to oak point wi... Lake superior west of a line from saxon harbor wi to grand portage mn beyond 5nm... Oak point to saxon harbor wi... Port wing to sand island wi... Sand island to bayfield wi... At 812 am cdt, doppler radar indicated an area of Thunderstorms, capable of producing winds to around 30 knots. This area of Thunderstorms was located along a line extending from 16 nm southwest of herbster, to 31 nm southwest of oak point, moving northeast at 45 knots. Locations impacted include... Oak point, madeline island, raspberry island lighthouse, bayfield peninsula sea caves, red cliff, and herbster. 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 4656 9053 4664 9071 4661 9079 4656 9091 4657 9097 4667 9094 4670 9089 4676 9092 4687 9080 4690 9080 4693 9086 4691 9096 4684 9110 4683 9121 4673 9152 4718 9048 4689 9028 4665 9044 4657 9043 4656 9041
.an area of Thunderstorms over western lake superior... The areas affected include... Chequamegon bay-bayfield to oak point wi... Lake superior west of a line from saxon harbor wi to grand portage mn beyond 5nm... Oak point to saxon harbor wi... Port wing to sand island wi... Sand island to bayfield wi... At 812 am cdt, doppler radar indicated an area of Thunderstorms, capable of producing winds to around 30 knots. This area of Thunderstorms was located along a line extending from 16 nm southwest of herbster, to 31 nm southwest of oak point, moving northeast at 45 knots. Locations impacted include... Oak point, madeline island, raspberry island lighthouse, bayfield peninsula sea caves, red cliff, and herbster. 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 4656 9053 4664 9071 4661 9079 4656 9091 4657 9097 4667 9094 4670 9089 4676 9092 4687 9080 4690 9080 4693 9086 4691 9096 4684 9110 4683 9121 4673 9152 4718 9048 4689 9028 4665 9044 4657 9043 4656 9041
LSZ147
7 Day Forecast for Marine Location Near Bayfield city, WI
Hourly EDIT Helplocation: 46.86, -90.85 debug
Area Discussion for - Duluth, MN
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 kdlh 191943 afddlh area forecast discussion national weather service duluth mn 243 pm cdt Fri jul 19 2019 Short term (this evening through Saturday) issued at 243 pm cdt Fri jul 19 2019 severe weather potential for east-central mn and northwest wisconsin this afternoon into early evening. All modes of severe weather will be possible - see latest hazardous weather outlook for details. (apologies for the brief discussion due to past, present, and future severe weather keeping us a little busy today!) storms could clear out quickly west to east tonight with clearing skies late tonight. Lows as cool as the low 50s in northern minnesota as drier air moves in, in the low 60s in northwest wisconsin. Mainly sunny and nice on Saturday with highs in the upper 70s and much more comfortable dew points in the 50s. A low chance for a few showers across east-central mn and northwest wisconsin, but very low potential for thunderstorms, and showers won't last all that long if they do develop. Long term (Saturday night through Friday) issued at 243 pm cdt Fri jul 19 2019 zonal flow will be in place in Sunday with a shortwave diving through the upper midwest Sunday afternoon into early Monday morning. This may lead to a few showers and storms, mainly across our western zones. Northwest flow will then set-up for the remainder of the extended. This will bring periodic rainfall chances through the week, but no significant systems are expected through the period. Sunday and Monday will see temperatures in the 70s to near 80 with 80s for most areas for the remainder of the week. Aviation (for the 18z tafs through 18z Saturday afternoon) issued at 1236 pm cdt Fri jul 19 2019 vfr cloud decks are seen at all sites early this afternoon with |
light showers in the hib, inl, brd and dlh areas. These showers may linger in spots before additional storm development is expected, mainly at brd and hyr, after 4pm 21z. Storms may be severe with damaging winds and large hail, with a few tornadoes possible in the brd area. Refinements to timing are expected once development becomes clearer as uncertainty still exists. In addition to MVFR ceilings in storms, visibility restrictions to mfvr ifr will be possible. Marine Issued at 243 pm cdt Fri jul 19 2019 outside of the potential for a few thunderstorms this afternoon and evening along the south shore of lake superior, no hazardous conditions are expected over the next 48 hours. Storms this afternoon evening may contain wind gusts to 40 to 50 knots. Winds through Saturday will be generally westerly, but run southwest to northwest at times. A few gusts to around 12-15 knots will be possible during the day on Saturday. Waves will be 2 feet or less through the period. Preliminary point temps pops Dlh 60 78 56 75 60 20 10 10 inl 53 78 50 74 20 10 10 10 brd 61 80 56 76 30 30 10 0 hyr 61 79 54 77 100 20 20 10 asx 61 81 57 76 90 20 10 10 Dlh watches warnings advisories Wi... None. Mn... None. Ls... None. Short term... Jjm long term... Bjh aviation... Bjh marine... Bjh |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a mapWind History for Duluth, MN
(wind in knots) EDIT (on/off) Help| 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 | -12 PM | -12 PM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | |
| Last 24hr | W G18 | SW G16 | SW | SW | SW | SW | SW | W G8 | W | SW | W | W | S | SW G6 | SW | SW | S | E | NE G6 | NE G4 | NE | N G4 | ||
| 1 day ago | NE G19 | NE G13 | E G9 | E G8 | NE G7 | NE G8 | E G5 | NE | NE | NE | SE | E | SE | E | SW | SE | SE | -- | E | E G7 | NE G4 | SE | W G20 | W G18 |
| 2 days ago | NE G4 | E | NE | NE | NW | NE G4 | W | NE | NE | NE | NE | NE | NE G8 | NE G9 | NE G12 | NE G9 | NE G11 | NE G15 | NE G13 | NE G14 | E G10 | NE G15 | E G14 |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| John F Kennedy Memorial Airport, WI | 22 mi | 61 min | N 0 | 10.00 mi | Mostly Cloudy | 73°F | 70°F | 90% | 1005.5 hPa |
Wind History from ASX (wind in knots)
| 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 | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | |
| Last 24hr | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | SW | SW | W | Calm | E | E | N | Calm |
| 1 day ago | N | N | N | Calm | S | S | S | Calm | S | S | S | S | S | S | W | SW | S | S | SW | W | S G16 | S G15 | SW | SW |
| 2 days ago | Calm | NE | E | SE | N | Calm | SW | Calm | Calm | Calm | W | Calm | Calm | Calm | Calm | NE | E | Calm | N | NW | S | N | N |
Tide / Current Tables for
EDIT Weekend mode (on/off) (on/off) HelpTide / Current Tables for
EDIT (on/off) HelpWeather Map and Satellite Images
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GOES 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 (18,4,5,8)
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Ground Weather Radar Station Duluth, MN
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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 numerious 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. |