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Marine Weather and Tides
Version 3.4 |
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues. 6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported. 5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive. |
| Sunrise 5:54AM | Sunset 7:44PM | Monday April 23, 2018 9:58 PM CDT (02:58 UTC) | Moonrise 12:49PM | Moonset 2:38AM | Illumination 63% |  |
Marine Forecasts
EDIT (on/off) Help| LMZ646 Wind Point Wi To Winthrop Harbor Il- 933 Pm Cdt Mon Apr 23 2018 Rest of tonight..North wind 10 to 15 knots becoming northeast 5 to 10 knots after midnight. Slight chance of showers after midnight. Waves 2 to 3 feet subsiding to 1 to 3 feet early in the morning. Tuesday..North wind 5 to 10 knots rising to 10 to 15 knots late in the afternoon. Chance of showers in the morning. Waves 1 to 2 feet. Tuesday night..North wind 10 to 20 knots rising to 15 to 25 knots with gusts to around 30 knots in the evening. Mostly cloudy through around midnight then becoming partly cloudy. Waves 1 to 2 feet building to 4 to 7 feet. A small craft advisory may be needed. Wednesday..North wind 10 to 20 knots becoming 15 to 20 knots in the late morning and early afternoon, then easing to 10 to 15 knots late in the afternoon. Gusts up to 25 knots. Sunny. Waves 4 to 6 feet subsiding to 3 to 5 feet late in the afternoon. | LMZ646 Expires:201804241030;;406687 FZUS53 KMKX 240233 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 933 PM CDT Mon Apr 23 2018 For waters within five nautical miles of shore on Lake Michigan LMZ646-241030- |
7 Day Forecast for Marine Location Near Kenosha, WI
Hourly EDIT Helplocation: 42.58, -87.87 debug
Area Discussion for - Milwaukee/Sullivan, WI
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 kmkx 240240 afdmkx area forecast discussion national weather service milwaukee sullivan wi 940 pm cdt Mon apr 23 2018 Update The forecast is on track for tnt-tue. Confined slight chance of rain to south of mke for late tnt-tue. Marine Light nnely winds the remainder of tnt-tue. A cold front will then accelerate down lake mi by early Tue eve. Nnely winds 15-25 kts with higher gusts will prevail Tue eve-wed. Waves will become high by late Tue eve and last into Wed aft. Thus a small craft advisory will be needed Tue nt-wed. Prev discussion (issued 618 pm cdt Mon apr 23 2018) update... the large occluded low over tn will gradually move ewd across tn tnt-tue. The sely flow around the large low may bring stratus clouds and a little drizzle or light rain into SE wi late tnt-tue. The low clouds and any light precipitation should not reach east central and south central wi. Another mild day on tue, but cooler near the lake and over SE wi due to more clouds and a nely flow. A cold front will then accelerate down lake mi and arrive by late afternoon or early evening for the lake counties and a little later inland. Thus temps will be cooler for wed. Aviation(00z tafs)... Low stratus over in and ERN il may eventually move into SE wi late tnt-tue am. There is a slight chance of showers or drizzle as well. The low stratus will lift to a 3.5-4.0 kft deck during early Tue afternoon and may become scattered. Elsewhere over S wi,VFR conditions are expected tnt- tue. Prev discussion... (issued 236 pm cdt Mon apr 23 2018) discussion... tonight through Wednesday - confidence... Medium combo of increasing low level cyclonic flow due to evolution of inverted trough along with a northern stream shortwave, will result in a continued small shower chance in the far southeast. Cold front moves in Tuesday night with a gusty north northeast wind regime. Could be a spotty shower or two with that feature. |
Low level thermal trough lingers into Wednesday. Should have less wind as surface high starts to build in. Thursday and Thursday night - confidence... Medium thermal ridge pokes up ahead of another cold front so should see temps bounce back from the cooler day Wednesday. The GFS is faster on bringing in showers into northwest half of CWA Thursday afternoon, while the ECMWF and extrap of NAM would delay this until Thursday evening. Blended guidance brings a small chance into the far northwest in the afternoon so will ride with that for now. Friday and Saturday - confidence... Low to medium the ECMWF develops showers in northwest flow cyclonic regime on Friday while the GFS shows more low level ridging negating the shower potential. This difference carries into Saturday with the ecmwf showing chilly 850 temps while the GFS is well into a warm air advection regime with 850 temps well above zero c. Sunday and Monday - confidence... Medium a rather warm pattern is setting up with a warm south southwest wind becoming established. Forcing for precip remains to our west this period. 925 temps proggd into the 10-15c range for Sunday and deeper into the teens celsius for Monday so may see highs getting above blended guidance should trends persist. Could also see some dew points reaching the 50s by Monday. Aviation(18z tafs)... Expecting some increase in cloud cover with moisture spreading northward ahead of the low in mid miss vly. Small shower chances still look good in the southeast corner. Some lower ceilings (MVFR and ifr) are still possible in the far southeast per MOS consshort. Marine... Increasing northerly winds and building waves will likely bring small craft advisory conditions Tuesday night and Wednesday. Mkx watches warnings advisories Wi... None. Lm... None. Update... Gehring tonight Tuesday and aviation marine... Collar Tuesday night through Monday... Collar |
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 | 3 mi | 59 min | 48°F | 1019.6 hPa (+0.0) | ||||
| WHRI2 - Waukegan Harbor, IL | 15 mi | 39 min | E 8 G 19 | 46°F | ||||
| MLWW3 - Milwaukee, WI | 32 mi | 49 min | N 12 G 14 | 50°F | ||||
| FSTI2 | 43 mi | 119 min | N 8.9 | 44°F | ||||
| OKSI2 | 48 mi | 119 min | N 4.1 G 5.1 | 45°F | ||||
| CHII2 - Chicago, IL | 49 mi | 39 min | NNW 9.9 G 11 | 44°F | 33°F |
Wind History for Calumet Harbor, IL
(wind in knots) EDIT (on/off) Help| 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 | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | |
| Last 24hr | NE G12 | NE G13 | NE G9 | E | N | NE G8 | N | N | N G14 | N | N G15 | N G17 | N G17 | NW G18 | NW G19 | N G18 | NW G21 | NW G20 | NW | NW G18 | N G11 | N G7 | NW | NW |
| 1 day ago | N | N | N | N | N G7 | N | N | N | NE | NE | N | NE | NE | N G14 | N G14 | N | N G16 | N G18 | N G17 | N G16 | N G14 | N G14 | N G13 | N G11 |
| 2 days ago | N | NE | NW | NE | NE | NE | N | N | NW | N | NE | N | N | N | N | NE | -- | N | N | N | N | NE | N | N |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Kenosha, Kenosha Regional Airport, WI | 4 mi | 66 min | NNE 7 | 10.00 mi | Fair | 52°F | 25°F | 35% | 1020 hPa |
| Chicago/Waukegan Regional Airport, IL | 11 mi | 64 min | NNE 10 | 10.00 mi | Fair | 52°F | 24°F | 34% | 1019.8 hPa |
| Racine, Batten International Airport, WI | 13 mi | 66 min | N 11 G 19 | 10.00 mi | Fair | 49°F | 25°F | 39% | 1020.5 hPa |
| Burlington Municipal Airport, WI | 24 mi | 84 min | ENE 4 | 10.00 mi | Fair | 52°F | 25°F | 36% | 1020 hPa |
Wind History from ENW (wind in knots)
| 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 | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | |
| Last 24hr | N | N | NE | N | NE | N | N | N | N | NE | NE | NE | NE | NE | E | NE | NE | NE G22 | NE | NE | NE | NE | NE | NE |
| 1 day ago | Calm | W | Calm | Calm | Calm | NE | Calm | Calm | NE | Calm | E | E | NE | E | E | E | E | E | E | E | E | NE | NE | NE |
| 2 days ago | Calm | Calm | W | Calm | Calm | Calm | Calm | Calm | Calm | Calm | NE | NE | Calm | SE | Calm | NE | Calm | E | E | E | E | SE | E | Calm |
Tide / Current Tables for
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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.
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Wind Forecast for Milwaukee/Sullivan, WI (22,6,7,8)
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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. |