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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 6:08AM | Sunset 7:44PM | Friday August 23, 2019 5:24 PM CDT (22:24 UTC) | Moonrise 12:00AM | Moonset 1:56PM | Illumination 41% |  |
LMZ646 Wind Point Wi To Winthrop Harbor Il- 506 Pm Cdt Fri Aug 23 2019
Tonight..Northeast wind 10 to 15 knots veering east early in the morning. Clear. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight.
Saturday..East wind 10 to 15 knots veering southeast late in the morning, then backing east early in the afternoon becoming east 10 to 15 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon.
Saturday night..East wind 10 to 15 knots veering southeast early in the morning. Mostly clear. Waves 1 to 3 feet building to 2 to 4 feet early in the morning.
Sunday..Southeast wind 10 to 15 knots. Mostly Sunny. Waves 2 to 4 feet.
Tonight..Northeast wind 10 to 15 knots veering east early in the morning. Clear. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight.
Saturday..East wind 10 to 15 knots veering southeast late in the morning, then backing east early in the afternoon becoming east 10 to 15 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon.
Saturday night..East wind 10 to 15 knots veering southeast early in the morning. Mostly clear. Waves 1 to 3 feet building to 2 to 4 feet early in the morning.
Sunday..Southeast wind 10 to 15 knots. Mostly Sunny. Waves 2 to 4 feet.
LMZ646 Expires:201908240400;;103089
FZUS53 KMKX 232206
NSHMKX
Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
506 PM CDT Fri Aug 23 2019
For waters within five nautical miles of shore on Lake Michigan
LMZ646-240400-
7 Day Forecast for Marine Location Near Williams Bay, WI
Hourly EDIT Helplocation: 42.55, -88.5 debug
Area Discussion for - Milwaukee/Sullivan, WI
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 kmkx 232015 afdmkx area forecast discussion national weather service milwaukee sullivan wi 315 pm cdt Fri aug 23 2019 Short term Today through Sunday night... Forecast confidence is high big bubble, no trouble. Broad ridge of high pressure slowly moving across the great lakes will lead to dry and pleasant conditions through the weekend. Main forecast challenge is with cloud cover as as the 23.18z rap soundings have been fairly dry, but lapse rates right under the inversion are just steep enough to produce a weakly unstable profile from about 925-800mb which in turn has produced a decent CU field. There actually appears to be some lake michigan influence with some slightly higher moisture content air to produce some better clouds there. Should see something similar through the weekend as a similar setup is in place through the rest of the great lakes, but shouldn't see deep enough of lift to produce any rain showers. Long term Monday through Thursday night... Forecast confidence is medium main shot at getting some rain over the next week comes on Monday as a northern and southern stream system come together to create a deep closed off trough in central canada by mid-week. Southerly low level flow will help to push a more moist humid air mass into southern wisconsin starting on Monday. This system comes in two waves, the first being a southern stream system that pushes northward across illinois on into the central great lakes region. This could clip southeast wisconsin Monday morning, but the 23.12z ECMWF has no precipitation in southern wi while the 23.18z nam GFS start streaming some light precipitation in across the state. Thermal profiles are not overly impressive with warm temperatures aloft and a skinny CAPE profile. The second wave comes with the main mid level northern stream trough which pulls a cold front through during the evening hours. Instability still isn't looking very strong with this period but forcing could end |
up being pretty decent due to the strengthening trough. Wind shear looks good with this feature, but the instability may again be the limiting factor. After this cold front passes early on Tuesday, another round of cooler air gets advected into the region on the southern periphery of the deepening trough. 850mb temperatures will drop back down into the 5-7c range through much of the rest of the week. The 23.12z ECMWF pulls a cold front through Thursday evening, so added in some pops for that period as well. Aviation(21z tafs) Vfr conditions are in place across southern wisconsin and are expected to remain that way through Saturday. Some few sct cumulus are possible late Saturday morning into the afternoon, but should stay at 4kft or higher. Winds will be gradually shifting from the east-northeast to the east-southeast into tomorrow as a ridge of high pressure drifts across the great lakes. Marine North-northeast winds will gradually become more east to southeasterly through the weekend as a ridge of high pressure moves through the region. Some stronger south-southeasterly winds are expected going into Monday as the next low pressure system tracks through the dakotas. This low pressure system will then get stuck in central canada and deepen going into mid-week. This should lead to some stronger westerly winds across the great lakes, particularly the northern portion of lake michigan going into Wednesday. Can't rule out some gales for this period with some colder air getting pulled in along with it. Mkx watches warnings advisories Wi... None. Lm... None. Tonight Saturday and aviation marine... Halbach Saturday night through Friday... Halbach |
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 |
| KNSW3 - Kenosha, WI | 37 mi | 84 min | NNE 13 G 15 | 67°F | 1023 hPa (-0.4) | |||
| 45187 | 38 mi | 24 min | NNE 12 G 16 | 72°F | 73°F | 2 ft | ||
| 45186 | 39 mi | 24 min | NNE 9.7 G 16 | 69°F | 73°F | 3 ft |
Wind History for Calumet Harbor, IL
(wind in knots) EDIT (on/off) Help| 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 | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | |
| Last 24hr | N G17 | N G15 | N G14 | N G13 | N G17 | N G17 | N G15 | 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 |
| 1 day ago | W | NW G9 | N | NW | N G10 | N G8 | N | N | N | N G6 | N | N | N | N | N | NE | NE | E | NE | NE G11 | N | N G16 | N G18 | N G17 |
| 2 days ago | E | SE G11 | S G8 | W | W | W | W | W G6 | W | SW | SW | SW | SW | SW | SW | SW G8 | SW G5 | SW | SW G7 | SW G9 | SW | SW G14 | SW G11 | SW G12 |
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 |
| Burlington Municipal Airport, WI | 14 mi | 29 min | E 10 | 10.00 mi | Partly Cloudy | 69°F | 54°F | 61% | 1023.4 hPa |
Link to 5 minute data for KBUU
Wind History from BUU (wind in knots)
| 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | -12 PM | 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 | E | E | NE | Calm | Calm | Calm | Calm | N | Calm | Calm | Calm | Calm | Calm | Calm | NE | NE | E | E | E | Calm | E | E | NE | E |
| 1 day ago | N | N | NW | Calm | Calm | Calm | Calm | Calm | N | N | Calm | Calm | Calm | N | NE | NE | NE | E | E | E | E | E | E G14 | E |
| 2 days ago | Calm | Calm | W | Calm | Calm | Calm | SW | SW | Calm | Calm | Calm | Calm | SW | S | W | W | NW | NW | NW | W | NW | W | NW | N |
Tide / Current Tables for
EDIT Weekend mode (on/off) (on/off) HelpTide / Current Tables for
EDIT (on/off) HelpWeather Map and Satellite Images
(on/off) HelpWeather Map
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 Milwaukee/Sullivan, WI (18,4,5,8)
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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. |