Tuesday, August11, 2020
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Marine Weather and Tides
Minneapolis, MN

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 6:09AMSunset 8:27PM Tuesday August 11, 2020 7:16 PM CDT (00:16 UTC) Moonrise 11:17PMMoonset 1:08PM Illumination 44% Phase: Third Quarter Moon; Moon at 23 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
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7 Day Forecast for Marine Location Near Minneapolis, MN
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location: 44.95, -93.3     debug


Area Discussion for - Twin Cities, MN
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FXUS63 KMPX 112346 AFDMPX

Area Forecast Discussion National Weather Service Twin Cities/Chanhassen MN 646 PM CDT Tue Aug 11 2020

UPDATE. Issued at 640 PM CDT Tue Aug 11 2020

SHORT TERM. (This evening through Wednesday night) Issued at 258 PM CDT Tue Aug 11 2020

Sprawling high pressure centered over the Ohio Valley will maintain its western extent over the Upper Midwest thru late tonight, making for a gradual increase in high clouds from the west but otherwise mainly clear and cool conditions tonight with lows down into the upper 50s to lower 60s. A small buckle in the upper level zonal flow combined with the approach of a warm front over the northern-central Plains may be just enough to spark a few isolated-scattered showers and t-storms overnight in western MN which may spread across the rest of the WFO MPX coverage area during the day tomorrow. While the coverage will be rather sparse, storm motions will be rather weak which means that, within a continued moist atmosphere (dewpoints into the mid-upper 60s), some storms could produce localized heavy rain. But these instances will be few and far between with PoPs limited to the chance range. The cloud/rain complications will hold high temperatures back tomorrow, with highs only expected in the upper 70s to lower 80s. As this one weak shortwave exits the area Wednesday evening, a stronger shortwave will approach from the west Wednesday night, rounding the base of a large upper level low over western Canada. Additional scattered showers/t-storms are possible for much of Wednesday night across the coverage area, thus continued chance range PoPs.

LONG TERM. (Thursday through Tuesday) Issued at 258 PM CDT Tue Aug 11 2020

Fairly active weather looks to continue through Saturday with more tranquil conditions expected starting on Sunday and continuing into early next week. Weak ridging aloft on Thursday along with a lack of appreciable surface features will keep precipitation activity rather subdued but the moist atmosphere and small H7-H5 shortwaves will be enough to continue the trend of scattered showers/t-storms. More organized activity looks to be the case for Friday into Saturday as a cold front slowly approaches from the west and at least one, and more apparently two, upper level shortwave troughs swing through the northern tier states per the EC/GFS models. With a continued unstable atmosphere, more organized precipitation can be expected for Friday into Saturday, along with the potential for some severe weather. There is still too much model uncertainty to highlight any specific areas or timing but more signals are gradually becoming apparent so we will need to see how the models evolve the thinking and how SPC frames the severe potential. Once the cold front pushes across the region Saturday night into early Sunday, a noticeable cool down along with drier and more tranquil conditions will take hold across the region.

AVIATION. (For the 00Z TAFS through 00Z Wednesday evening) Issued at 640 PM CDT Tue Aug 11 2020

VFR conditions this evening and overnight, but could see some showers and thunderstorms Wednesday morning across the western TAF sites. This are of precipitation should weaken is it moves eastward during the day, but it could bring some MVFR conditions at times. Winds will be out of the southeast.

KMSP . VFR conditions this evening and overnight, but could have some showers move in around late morning on Wednesday. Winds will be out of the southeast.

/OUTLOOK FOR KMSP/ Thu . Mainly VFR. Chance MVFR/TSRA. Wind SE 10-15 kts. Fri . Mainly VFR. Chance MVFR/TSRA. Wind SE 10-15 kts. Sat . VFR with MVFR/TSRA possible late. Wind NW at 5-10 kts.

MPX WATCHES/WARNINGS/ADVISORIES. MN . None. WI . None.

SHORT TERM . JPC LONG TERM . JPC AVIATION . JRB


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Minneapolis, Minneapolis-St. Paul International Airport, MN6 mi23 minSSW 810.00 miMostly Cloudy80°F57°F47%1014.5 hPa
Minneapolis, Crystal Airport, MN10 mi23 minSW 610.00 miFair80°F57°F45%1013.9 hPa
South St. Paul Municipal-Richard E. Flemi, MN11 mi21 minSSW 710.00 miFair80°F56°F45%1014.9 hPa
Minneapolis - Flying Cloud Airport, MN12 mi23 minSSW 710.00 miFair78°F57°F50%1014.5 hPa
Downtown Holman Field, MN13 mi23 minSSW 810.00 miFair80°F57°F45%1014.2 hPa
Minneapolis / Blaine, MN15 mi31 minSW 610.00 miPartly Cloudy81°F55°F42%1014.6 hPa
Minneapolis, Airlake Airport, MN22 mi21 minN 010.00 miFair79°F53°F42%1015.2 hPa
Lake Elmo Airport, MN24 mi41 minSSW 710.00 miFair77°F57°F51%1015.2 hPa

Link to 5 minute data for KMSP

Wind History from MSP (wind in knots)
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Last 24hrW6W4W5CalmSW5SW5W5W3SW5SW3W5SW5SW6SW53W7W11SW7SW12SW13
G18
SW9S8SW8
G20
SW8
1 day agoW4SW9NW6SE6N3CalmW22
G53
S14
G21
NW13W6NW7N8NW8NW8N12NW8W4NW54NW4NW9NW8NW7W11
2 days agoNW11NW6NW3SW3CalmSE3S5CalmCalmCalmSE3W7SE8E15
G33
SE95S5W14
G19
NW6N9CalmS12SW7W6

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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 (20,4,5,8)
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Ground Weather Radar Station Minneapolis, MN
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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.