Wednesday, February19, 2020
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Marine Weather and Tides
Brookfield, 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 6:42AMSunset 5:29PM Wednesday February 19, 2020 4:27 AM CST (10:27 UTC) Moonrise 5:28AMMoonset 2:36PM Illumination 19% Phase: Waning Crescent; Moon at 25 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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LMZ644 Port Washington To North Point Light Wi- 305 Am Cst Wed Feb 19 2020
Early this morning..Northwest wind 15 to 20 knots. Clear. Waves 1 to 2 feet.
Today..Northwest wind 10 to 15 knots. Sunny. Waves 1 to 2 feet.
Tonight..Northwest wind 10 to 15 knots rising to 15 to 20 knots in the late evening and early morning, then easing to 10 to 15 knots early in the morning. Partly cloudy. Waves 1 to 2 feet.
Thursday..Northwest wind 10 to 15 knots backing west late in the afternoon. Sunny. Waves 1 to 2 feet.
Thursday night..West wind 10 to 15 knots rising to 15 to 20 knots late in the evening, then becoming west 15 to 20 knots after midnight. Clear. Waves 1 to 2 feet. Wave heights are for ice free areas.
LMZ644 Expires:202002192200;;765162 FZUS53 KMKX 190905 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 305 AM CST Wed Feb 19 2020 For waters within five nautical miles of shore on Lake Michigan LMZ644-192200-


7 Day Forecast for Marine Location Near Brookfield, WI
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location: 43.06, -88.11     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 190844 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 244 AM CST Wed Feb 19 2020

SHORT TERM.

Today Through Thursday . Forecast Confidence is High .

Mostly clear skies to start the day with a mid deck of clouds pushing in tonight, mainly across the southern half of the CWA. This along with a light breeze overnight will prevent lows from falling as much as initially expected with lows expected in the negative single digits with wind chills as low as negative upper teens. At this point a Wind Chill Advisory looks unlikely but we will have to monitor temperatures and winds as slight changes could bring us wind chills near -20. During the day clear skies will return with no precipitation expected throughout the CWA.

LONG TERM.

Thursday night through Saturday night - Confidence is High

One last cold night will be in store for Thu night into Friday with lows in the single digits and wind chills below zero. The surface high sitting over the region begins to shift south during the Fri to Sat period allowing for a change in winds to the S/SW. Expect a warming trend as we head into the weekend with both highs and lows climbing back to around normal for Fri/Sat.

Sunday through Tuesday night - Confidence is Low to Medium

A cutoff low off the southern California coast on Friday opens up and shifts east into the central US over the weekend. The eventual track of the associated surface low and precip is somewhat uncertain. Guidance is trying to hold onto a stronger northern stream jet across southern Canada as this system moves into the central US. At this point models do not phase the two and instead have a more progressive and flat west-east track of the low, which would keep much of the precip south of the area. We could get clipped by light snow across the southern portions of the area Sunday into Monday. Once this system moves out confidence in the forecast goes down quick with various solutions on how to handle a trough digging into the Rockies and Intermountain West. Stuck with blended guidance for early next week for now. Temperatures will be above normal and highs on Sunday could top out above 40 degrees for the first time since early February.

AVIATION(09Z TAFS).

VFR conditions will dominate the region through the TAF period. Mostly clear skies through this morning. Scattered to broken mid to high clouds will push in during the afternoon and evening likely hanging around through part of the overnight hours. However these clouds will likely only cover far southern Wisconsin.

MARINE.

Winds will weaken toward sunrise as a large high pressure area around 30.8 inches will begin to push in from the northern Great Plains. This high pressure will continue east/southeast to the Ohio River Valley through Friday. Modest west to northwest winds will continue until winds increase and back to the southwest on Friday. Gales are looking more likely Friday and Friday night mainly across the northern reaches of the lake.

MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . None.



Today/Tonight and Aviation/Marine . ARK Thursday through Tuesday . Stumpf


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MLWW3 - Milwaukee, WI 13 mi48 min NW 8 G 9.9 15°F
PWAW3 - Port Washington, WI 26 mi48 min WNW 5.1 G 7 12°F 1033.9 hPa
KNSW3 - Kenosha, WI 36 mi88 min NW 8.9 G 11 17°F 1032.2 hPa (+2.4)

Wind History for Calumet Harbor, IL
(wind in knots)    EDIT      (on/off)   Help
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W10
G20
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G11
W6
G12
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G16
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G11
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1 day
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E4
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G12
E10
G15
SE11
G16
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G15
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G17
SE10
G17
SE13
G17
SE7
G11
E9
G13
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G15
E10
G13
SE10
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G11
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G11
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S3
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NE3
N6
G9
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E3
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NE6

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Milwaukee-Timmerman, WI5 mi33 minWNW 410.00 miFair10°F0°F61%1033.2 hPa
Waukesha County Airport, WI6 mi33 minWNW 510.00 miFair9°F0°F66%1032.8 hPa
Milwaukee, General Mitchell International Airport, WI13 mi36 minNW 710.00 miFair15°F1°F53%1033.9 hPa

Link to 5 minute data for KUES

Wind History from UES (wind in knots)
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Last 24hrW18
G25
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W17NW17
G25
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G22
W16W15
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W12
G17
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G18
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G18
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G25
NW14NW10NW9
G15
NW8NW6NW4NW5
1 day agoE9E8E9E10E9E12E8E11SE12E13
G20
E10E8E10E7E6--E8SE9SW4SW3SW7W12
G17
W14
G22
W17
G25
2 days agoCalmW4W7NW6NW9NW4W4W5W5NW7NW4CalmCalmCalmCalmNE3CalmE4CalmCalmCalmCalmE4Calm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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 Milwaukee/Sullivan, WI (5,6,7,8)
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Ground Weather Radar Station Milwaukee, WI
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weather_mapweather_map weather_map

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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 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.