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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 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 6:16AM | Sunset 8:01PM | Friday August 23, 2019 6:53 AM CDT (11:53 UTC) | Moonrise 11:07PM | Moonset 1:14PM | Illumination 46% |  |
7 Day Forecast for Marine Location Near Altoona, WI
Hourly EDIT Helplocation: 44.78, -91.48 debug
Area Discussion for - Twin Cities, MN
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 kmpx 231046 afdmpx area forecast discussion national weather service twin cities chanhassen mn 546 am cdt Fri aug 23 2019 Short term (today through Saturday) issued at 411 am cdt Fri aug 23 2019 the short term period will be dry, so the main focus is the clouds and winds, especially for Saturday. High pressure centered over the great lakes will continue to dominate through Saturday afternoon. Daytime highs and dew points will be very similar to yesterday given the airmass remains the same. Like yesterday, mixing my later morning through the afternoon should yield scattered fair weather cumulus. Highs in the mid to upper 70s and dew points in the 50s will make for another gorgeous late summer day. The high will drift slowly east through tomorrow, but a shortwave trough will move east from wyoming into the dakotas tomorrow, enhancing the pressure gradient over mn and wi, leading to increasing southeasterly winds, especially across western mn. 15 to 20 mph looks reasonable for there, with lower speeds of around 10 to 15 mph for eastern mn and wester wi by Saturday afternoon. High clouds from storms in the dakotas may spill into western mn by late Saturday afternoon, but the remainder of the area will be partly cloud. Very similar temepratures to today are expected for Saturday, in the mid to upper 70s. Long term (Saturday night through Thursday) issued at 411 am cdt Fri aug 23 2019 high pressure holds over the great lakes through the first half of the weekend, which should keep things dry and pleasant through at least Saturday night. The main story continues to be the potent trough passing throughout the upper midwest Sunday through Tuesday, with widespread showers and thunderstorms expected along a cold front slowing crossing the region. The slowing trend in this system has mostly halted with the 00z guidance tonight, with the bulk of the weekend now looking to stay dry. Some of the quicker solutions bring precipitation in to western minnesota during the day on |
Sunday, but expect the bulk of the precipitation to occur Sunday night through Monday. Instability does not look to be high enough ahead of the front to warrant much of a severe weather threat, but ensemble guidance has pw values rising to the 90th percentile and the relatively slow motion of the front through the area could lead to areas of heavy rainfall. Fall-like weather moves in behind the cold front Tuesday through Friday as the low becomes cut-off over hudson bay and keeps cool temperatures aloft over the region. Some cold-air advection showers look possible Tuesday-Wednesday with weak vorticity aloft, but precipitation amount should remain light. Temperatures will be quite cool for august standards with highs in the upper 60s to low 70s, and lows in the 40s to low 50s. Aviation (for the 12z tafs through 12z Saturday morning) issued at 502 am cdt Fri aug 23 2019 vfr conditions will persist through the forecast period with mostly clear to partly cloudy skies expected. Daytime cumulus will likely develop, especially in eastern mn and western wi. Southeast winds will develop later this morning and increase to near 10 knots for most. Kmsp... No additional concerns. Outlook for kmsp sat...VFR. Wind SE 10g20 kts. Sun... MVFR ifr psbl. Chc of pm -tsra . Wind SE 10g20 kts. Mon... MVFR psbl. -tsra likely. Wind S 10-15 kts. Mpx watches warnings advisories Wi... None. Mn... None. Short term... Spd long term... Eta aviation... Spd |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a mapAirport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Chippewa Valley Regional Airport, WI | 7 mi | 2 hrs | NE 4 | 10.00 mi | A Few Clouds | 53°F | 50°F | 89% | 1022.1 hPa |
| Menomonie Municipal Airport-Score Field, WI | 22 mi | 78 min | N 0 | 10.00 mi | Mostly Cloudy | 51°F | 48°F | 92% | 1022.7 hPa |
Link to 5 minute data for KEAU
Wind History from EAU (wind in knots)
| 7 AM | 8 AM | 9 AM | 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 | |
| Last 24hr | NW | N | N | N | N | N | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | |||||||
| 1 day ago | N | NW | NW | NW G19 | N | N | N G16 | N | NW | NW | NW | Calm | Calm | Calm | NE | NW | ||||||||
| 2 days ago | Calm | Calm | S | SE | N G17 | Calm | S G32 | W G26 | W | NW | W | NW | NW | Calm | N | 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 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 Twin Cities, MN (7,2,3,4)
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Ground Weather Radar Station La Crosse, WI
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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. |