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Marine Weather and Tides
Version 3.4 |
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. 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 7:08AM | Sunset 6:05PM | Saturday October 19, 2019 6:03 PM CDT (23:03 UTC) | Moonrise 10:06PM | Moonset 12:48PM | Illumination 63% |  |
LMZ645 North Point Light To Wind Point Wi- 506 Pm Cdt Sat Oct 19 2019
Tonight..South wind 5 to 10 knots veering northwest early in the morning. Slight chance of showers in the evening, then chance of showers in the late evening and early morning. Patchy fog after midnight. Waves 1 to 2 feet.
Sunday..Northwest wind 5 to 10 knots veering east early in the afternoon, then veering southeast late in the afternoon. Patchy fog in the morning. Waves around 1 foot.
Sunday night..Southeast wind 5 to 10 knots backing east late in the evening, then rising to 10 to 15 knots after midnight becoming southeast 15 to 20 knots early in the morning. Chance of showers and slight chance of Thunderstorms after midnight. Waves around 1 foot building to 2 to 4 feet early in the morning.
Monday..Southeast wind 15 to 20 knots becoming 15 to 25 knots late in the morning, then veering south early in the afternoon becoming south 15 to 25 knots late in the afternoon. Gusts up to 30 knots. Rain showers and slight chance of Thunderstorms. Waves 3 to 4 feet building to 4 to 6 feet. A small craft advisory may be needed.
Tonight..South wind 5 to 10 knots veering northwest early in the morning. Slight chance of showers in the evening, then chance of showers in the late evening and early morning. Patchy fog after midnight. Waves 1 to 2 feet.
Sunday..Northwest wind 5 to 10 knots veering east early in the afternoon, then veering southeast late in the afternoon. Patchy fog in the morning. Waves around 1 foot.
Sunday night..Southeast wind 5 to 10 knots backing east late in the evening, then rising to 10 to 15 knots after midnight becoming southeast 15 to 20 knots early in the morning. Chance of showers and slight chance of Thunderstorms after midnight. Waves around 1 foot building to 2 to 4 feet early in the morning.
Monday..Southeast wind 15 to 20 knots becoming 15 to 25 knots late in the morning, then veering south early in the afternoon becoming south 15 to 25 knots late in the afternoon. Gusts up to 30 knots. Rain showers and slight chance of Thunderstorms. Waves 3 to 4 feet building to 4 to 6 feet. A small craft advisory may be needed.
LMZ645 Expires:201910200400;;963156
FZUS53 KMKX 192206
NSHMKX
Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
505 PM CDT Sat Oct 19 2019
For waters within five nautical miles of shore on Lake Michigan
LMZ645-200400-
7 Day Forecast for Marine Location Near Greendale, WI
Hourly EDIT Helplocation: 42.95, -87.95 debug
Area Discussion for - Milwaukee/Sullivan, WI
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 kmkx 192031 afdmkx area forecast discussion national weather service milwaukee sullivan wi 331 pm cdt Sat oct 19 2019 Short term Tonight through Sunday... Forecast confidence is high. A line of light to moderate showers is approaching the area this afternoon. These are along a weak frontal boundary that will push through this evening into the early overnight hours. With the main upper level system lifting into central canada, there is limited forcing, so not expecting too much in the way of rainfall with these showers. Satellite imagery and models do suggest some weak frontogenesis in the mid levels as the front shifts east this afternoon. That could support a few heavier showers at times. Once the front clears the area to the east, clear skies coupled with light winds and the recent rainfall could allow for the development of fog overnight. Patchy dense fog is possible in any areas that receive more rainfall this evening. Will monitor overnight the potential for any fog products. Since it's a good setup for fog tonight, lows won't dip much below the 40 degree mark. Low clouds and fog linger Sunday morning, but should be able to clear out by mid-morning. High pressure building across southern wisconsin will make for another nice day on Sunday, with highs in the lower 60s with mostly sunny skies. Sunday night through Monday... Forecast confidence is high. Models remain in decent agreement with trends during this period. They bring deepening and then occluding low pressure from eastern south dakota into the western lake superior area. A strong cold front pushes through the area on Monday, with decent low level frontogenesis response. There is a good shot of warm air moisture advection ahead of the front later Sunday night into Monday morning. Kept high pops for later Sunday night into Monday. Small thunder chances were kept as well, with very weak CAPE ahead of the front. Southeast to south winds will become gusty later Sunday night into Monday morning, and will become southwest and strengthen after the frontal passage. Mild temperatures are expected, with 40s Sunday night and lower 60s Monday before the frontal passage. Long term Monday night through Wednesday night... Forecast confidence is high. Cutoff 500 mb low will become nearly vertically staked with the surface low Monday night into Tuesday, before moving off to the northeast of lake superior Tuesday night into Wednesday. Various 500 mb vorticity maxima rotating around the 500 mb low should bring chances for showers at times Monday night into Tuesday. |
Drier air moving into the region later Tuesday into Tuesday night should bring an end to the shower activity. Gusty southwest winds will become west later Monday night into Tuesday, remaining gusty Tuesday night before slowly weakening Wednesday. Gusts of 28 to 32 knots seem reasonable for Tuesday, when the strongest gusts will occur. These winds will bring colder temperatures to the area, with highs generally in the upper 40s to lower 50s, and lows in the 30s. Models are trying to bring a weak surface low and cold front east through the area later Wednesday into Wednesday evening, with a 500 mb vorticity maximum trailing it. These features may bring a few showers to the area during this time. Thursday through Saturday... Forecast confidence is moderate. More uncertainty in this period, though models generally show a broad 500 mb trough axis slowly moving east through the region. It appears that strong low pressure will remain southeast of the region Thursday night into Friday night per the gfs, with the ecmwf delaying this low track until Saturday. For now, left pops and temperatures with the blended models. Aviation(21z TAF updates) Light to moderate showers moving across southern wi this afternoon will lower CIGS down towards MVFR with bases as low as 1,500-2,000ft this evening. CIGS briefly improve after 03z but fog is forecast to develop between 05-09z tonight with some locally dense fog possible. Winds stay out of the S SW ahead of the showers then switch to W NW and become light and variable overnight. High pressure moving in on Sunday will keep skiesVFR and winds light and variable. Marine Gusty southerly winds continue across the lake this afternoon, leading to higher waves for the northern half of the lake. Webcams suggested some higher waves continue from port washington northward, so will leave the small craft advisory going until 7 pm this evening. Winds and waves taper off tonight as high pressure builds into the region. A strong system nears the area Sunday night, with winds increasing out of the southeast. Winds could approach gale force Monday afternoon ahead of the system for the open waters. Small craft advisory conditions will be met Monday through Tuesday night. Winds switch to the west on Tuesday and winds will again be near gale force. Winds begin to diminish some on Wednesday, but still remain gusty. Mkx watches warnings advisories Wi... None. Lm... Small craft advisory until 7 pm cdt this evening for lmz643. Tonight Sunday and aviation marine... Stumpf Sunday night through Saturday... Wood |
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 |
| MLWW3 - Milwaukee, WI | 5 mi | 24 min | SSE 6 G 7 | 58°F | ||||
| 45013 | 12 mi | 184 min | SSE 14 G 18 | 51°F | 47°F | 4 ft | 1006.7 hPa | |
| KNSW3 - Kenosha, WI | 26 mi | 64 min | S 11 G 13 | 55°F | 1006.8 hPa (+0.0) | |||
| PWAW3 - Port Washington, WI | 31 mi | 84 min | S 5.1 G 8 | 51°F | 1008.1 hPa | |||
| 45186 | 41 mi | 24 min | S 1.9 G 1.9 | 52°F | 50°F | 2 ft |
Wind History for Calumet Harbor, IL
(wind in knots) EDIT (on/off) Help| 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 | 5 PM | |
| Last 24hr | SE | SE G7 | SE | SE G14 | SE G11 | S G7 | S | SE | SE | S G8 | S G7 | S | SE G7 | S | S G7 | S G11 | S G12 | S G14 | S G13 | SE G17 | SE G13 | S G16 | S G14 | S G11 |
| 1 day ago | NE | NE | NE | NE | NE | NE | NE | S | SW | SW | SW | SW | S | S | S | S | SE G10 | SE G10 | SE | SE G10 | S | SE | SE G11 | SE G10 |
| 2 days ago | W G9 | W G7 | W G7 | W G5 | W | W | W | W | W G11 | W | W G5 | W | W G4 | SW | SW G6 | W | N | N G12 | N G12 | N G14 | N G12 | N G11 | NE | NE |
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, General Mitchell International Airport, WI | 3 mi | 72 min | SSE 5 | 10.00 mi | Overcast | 59°F | 46°F | 62% | 1006.7 hPa |
| Milwaukee-Timmerman, WI | 13 mi | 79 min | SE 4 | 10.00 mi | Clear | 61°F | 42°F | 52% | 1006.8 hPa |
| Waukesha County Airport, WI | 14 mi | 79 min | W 6 | 10.00 mi | Clear | 61°F | 44°F | 55% | 1006.8 hPa |
| Racine, Batten International Airport, WI | 15 mi | 71 min | S 8 | 10.00 mi | Partly Cloudy | 57°F | 45°F | 64% | 1007.3 hPa |
Link to 5 minute data for KMKE
Wind History from MKE (wind in knots)
| 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 | 5 PM | 6 PM | |
| Last 24hr | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S G22 | S G19 | S | S | SE | SE | SE | SE | S | SE |
| 1 day ago | E | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | SE | Calm | Calm | SE | S | S G16 | S | S | SE G19 | SE | SE | SE | S |
| 2 days ago | W | NW | NW | NW | NW | NW | NW | NW | NW | W | NW | NW | NW | NW | NW | NW | NW | N | N | NW | NW | NW | E | E |
Tide / Current Tables for
EDIT Weekend mode (on/off) (on/off) HelpTide / Current Tables for
EDIT (on/off) HelpWeather Map
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GEOS 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 (19,4,5,8)
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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. |