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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 6:06AM | Sunset 7:42PM | Saturday August 24, 2019 11:42 PM CDT (04:42 UTC) | Moonrise 12:00AM | Moonset 3:00PM | Illumination 29% |  |
LMZ644 Port Washington To North Point Light Wi- 1106 Pm Cdt Sat Aug 24 2019
Rest of tonight..East wind 10 to 15 knots veering southeast with gusts to around 20 knots early in the morning. Mostly clear. Waves 2 to 4 feet.
Sunday..Southeast wind 10 to 15 knots rising to 15 to 20 knots early in the afternoon, then easing to 10 to 15 knots late in the afternoon. Mostly Sunny. Waves 3 to 4 feet.
Sunday night..East wind 10 to 15 knots veering southeast 10 to 20 knots late in the evening, then becoming 15 to 20 knots after midnight. Chance of showers and Thunderstorms after midnight. Waves 3 to 4 feet building to 4 to 6 feet early in the morning.
Monday..Southeast wind 10 to 15 knots rising to 15 to 20 knots with gusts to around 25 knots in the late morning and early afternoon, then veering south 10 to 20 knots with gusts to around 25 knots late in the afternoon. Chance of showers and Thunderstorms. Waves 4 to 6 feet.
Rest of tonight..East wind 10 to 15 knots veering southeast with gusts to around 20 knots early in the morning. Mostly clear. Waves 2 to 4 feet.
Sunday..Southeast wind 10 to 15 knots rising to 15 to 20 knots early in the afternoon, then easing to 10 to 15 knots late in the afternoon. Mostly Sunny. Waves 3 to 4 feet.
Sunday night..East wind 10 to 15 knots veering southeast 10 to 20 knots late in the evening, then becoming 15 to 20 knots after midnight. Chance of showers and Thunderstorms after midnight. Waves 3 to 4 feet building to 4 to 6 feet early in the morning.
Monday..Southeast wind 10 to 15 knots rising to 15 to 20 knots with gusts to around 25 knots in the late morning and early afternoon, then veering south 10 to 20 knots with gusts to around 25 knots late in the afternoon. Chance of showers and Thunderstorms. Waves 4 to 6 feet.
LMZ644 Expires:201908251000;;166166
FZUS53 KMKX 250406
NSHMKX
Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1106 PM CDT Sat Aug 24 2019
For waters within five nautical miles of shore on Lake Michigan
LMZ644-251000-
7 Day Forecast for Marine Location Near Milwaukee, WI
Hourly EDIT Helplocation: 43.06, -87.97 debug
Area Discussion for - Milwaukee/Sullivan, WI
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 kmkx 250245 afdmkx area forecast discussion national weather service milwaukee sullivan wi 945 pm cdt Sat aug 24 2019 Update Night-time microphysics satellite enhancement showing small patches of lower clouds developing over mid lake michigan, east of the wi il border. With increasing east to southeast low level flow expected, these low clouds should eventually stream toward the lakeshore areas overnight. Upstream cirrus should continue to thin but will affect western areas later in the night. Temperatures cooling nicely with no changes to overnight lows. Marine East to northeast winds are expected to veer more to the east to southeast overnight and remain gusty, mostly 10 to 15 kts, with a few gusts up to 20 kts. Prev discussion (issued 620 pm cdt Sat aug 24 2019) update... A quiet night with the potential for stratus development in eastern areas, closer to the lake. Uncertain to its development so wl hold off from introducing more clouds at this time. Increasing boundary layer mixing should prevent fog development. Will lower overnight temperatures in susceptible eastern areas but not quite as cool as last night due to better mixing in the low levels. Aviation(00z tafs)... Some short term model guidance hinting at lake effect stratus developing in the east overnight. Can not totally rule this out due to low level winds increasing from the southeast. Forecast soundings show enough moisture in the 2500-3500 ft layer to potentially cause the stratus development. More sct-bkn CU expected on Sunday, however more mid-high clouds will begin to stream into the area from the southwest as protective ridging shifts to the east and warm air and moisture advection spreads toward the western great lakes. Prev discussion... (issued 324 pm cdt Sat aug 24 2019) short term... tonight through Sunday... Forecast confidence is high one last beautiful day in this stretch of great weather is on tap for Sunday. High level cloud cover will be moving in from the southwest with temperatures and dew points slightly increasing despite this extra cloud cover. Sunday night through Tuesday... Forecast confidence is medium looking at two main rounds or chances for precipitation over this period. The first will move in late Sunday night going into Monday morning as an initial mid level short wave trough propagates from its current position in northeast colorado on into northern missouri by Sunday afternoon. This feature appears to break into two pieces with one part of the trough dropping south toward kentucky tennessee while the part that impacts us gets pulled into the mean mid level flow on up through the western great lakes. Low level moisture transport is not very high and there is little to no 0-3km MUCAPE present as this feature comes in, so am expecting it mainly to be rain with little to no lightning with it. Kept a chance in there at the moment, but could see pulling that mention. The second round is the one to watch as this will give us our severe potential late Monday afternoon into Monday evening. It is |
a fairly conditional setup, starting with how the morning precipitation cloud cover limits instability in the region. If we are able to clear out, that will certainly help increase the sb MLCAPE development ahead of the cold front. Surface winds are backed to the southeast ahead of the front with mid level winds increasing to around 50kts at 500mb along the southern periphery of the long wave trough. Still quite a bit of uncertainty though with timing and whether those elements come together. The 24.12z gfs is the fastest with bringing in the mid level winds as the cold front passes through southern wisconsin, but the 24.12z ecmwf lags behind with those mid level winds and doesn't bring them in until the front has passed in the evening. The 24.12z appears to be a slow outlier and doesn't bring the front through until Tuesday morning. It will be a low CAPE high shear environment worth keeping an eye on to see if the parameters come together or not. Long term... Wednesday through Saturday... Forecast confidence is medium once the front comes through, another round of cooler air will drop down into the region and linger through much of the week. Winds should be rather gusty on Wednesday as the surface low deepens across western ontario. Could see some scattered rain showers developing in the afternoon Wednesday along that southern periphery of the low, but confidence wasn't high enough to include anything at the moment. After a brief ridge of high pressure swings through late Wednesday night into Thursday, another cold front will move through the region Thursday afternoon into early Friday and could provide another shot at some precipitation. Aviation(21z tafs)... vfr conditions expected through Sunday with the CU field already thinning out. Winds have been gusty at times, particularly near lake michigan, with some peak gusts around 18-20kt. Going into Sunday night there will be an increasing chance for rain showers and possibly some lower flight conditions. Marine... a couple windy periods are on tap for the lake on Monday and then again Wednesday. As a ridge starts to depart the region and a low pressure system approaches from the west on Monday, winds will begin to pick up out of the south-southeast and produce some higher waves along the western side of lake michigan. Will likely have to have a small craft advisory for that period. After a cold front swings through on Monday night Tuesday morning, colder air will move across the lake with a surface low deepening in western ontario going into Wednesday. Could be approaching gale force wind gusts on Wednesday, more so on the northern half of the lake. A brief ridge of high pressure will move through on Thursday before another cold front approaches from the northwest. Mkx watches warnings advisories Wi... None. Lm... None. Update... 99 tonight Sunday and aviation marine... mbk Sunday night through Saturday... 99 |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| 45013 | 7 mi | 43 min | ENE 14 G 18 | 69°F | 69°F | 2 ft | 1023.3 hPa (-0.4) | |
| PWAW3 - Port Washington, WI | 23 mi | 63 min | ENE 8.9 G 13 | 68°F | 1024.4 hPa | |||
| KNSW3 - Kenosha, WI | 34 mi | 43 min | E 14 G 18 | 70°F | 1022.7 hPa (+0.0) | |||
| 45187 | 41 mi | 43 min | E 12 G 16 | 74°F | 72°F | 2 ft | ||
| 45186 | 49 mi | 43 min | E 12 G 16 | 70°F | 73°F | 3 ft |
Wind History for Calumet Harbor, IL
(wind in knots) EDIT (on/off) Help| 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 | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | |
| Last 24hr | NE G11 | NE | E G12 | E G11 | E G13 | E G11 | SE G9 | E G12 | E G14 | E G15 | E G14 | E G13 | E G12 | NE | NE G13 | NE G13 | N G14 | NE G11 | NE | NE G14 | NE G17 | E G15 | E G14 | E G12 |
| 1 day ago | NE G15 | NE | NE G15 | NE | NE G13 | NE G14 | NE G14 | NE G15 | NE G12 | NE G13 | NE G12 | NE | NE G13 | N G14 | NE G13 | N G16 | N G16 | N G15 | N G15 | N G14 | N G12 | NE G11 | NE G12 | NE G11 |
| 2 days ago | N | N | N | NE | NE | E | NE | NE G11 | N | N G16 | N G18 | N G17 | N G17 | N G15 | N G14 | N G13 | N G17 | N G17 | N G15 |
Airport 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 |
| Milwaukee-Timmerman, WI | 6 mi | 48 min | N 0 | 10.00 mi | Fair | 63°F | 51°F | 68% | 1023.7 hPa |
| Milwaukee, General Mitchell International Airport, WI | 8 mi | 51 min | ENE 9 | 10.00 mi | A Few Clouds | 67°F | 55°F | 68% | 1022.9 hPa |
| Waukesha County Airport, WI | 13 mi | 48 min | N 0 | 10.00 mi | Fair | 55°F | 51°F | 88% | 1024 hPa |
| Racine, Batten International Airport, WI | 22 mi | 50 min | ENE 10 | 10.00 mi | Fair | 67°F | 57°F | 71% | 1023.3 hPa |
Link to 5 minute data for KMWC
Wind History from MWC (wind in knots)
| 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 | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | |
| Last 24hr | N | N | N | N | Calm | Calm | Calm | Calm | SE | SE | SE G15 | SE G16 | SE G16 | E | E G19 | E G16 | E | NE | E | NE | NE | Calm | Calm | Calm |
| 1 day ago | N | N | Calm | N | N | N | N | N | N | NE | E | NE | NE | NE | E | E | NE G17 | NE | NE | NE | NE | N | N | N |
| 2 days ago | N | N | N | N | N | N | N | Calm | NE | NE | NE | E | NE | E | NE | NE | E | NE | NE | NE | NE | NE | NE | NE |
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 Milwaukee/Sullivan, WI (0,6,7,8)
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Ground Weather Radar Station Milwaukee, 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. |