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Marine Weather and Tides
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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 5:27AM | Sunset 8:29PM | Thursday July 18, 2019 12:45 PM CDT (17:45 UTC) | Moonrise 9:51PM | Moonset 6:58AM | Illumination 97% |  |
LMZ644 Port Washington To North Point Light Wi- 1105 Am Cdt Thu Jul 18 2019
Rest of today..South wind 15 to 25 knots with gusts to around 35 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Scattered showers and a chance of Thunderstorms. Waves 2 to 4 feet.
Tonight..Southwest wind 10 to 15 knots. Chance of showers and Thunderstorms. Waves 1 to 2 feet.
Friday..Southwest wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then backing south early in the afternoon becoming south 10 to 15 knots late in the afternoon. Chance of showers and Thunderstorms in the morning. Waves 1 to 2 feet.
Friday night..Southwest wind 10 to 15 knots easing to 5 to 10 knots after midnight. Chance of showers and Thunderstorms. Waves around 1 foot.
Rest of today..South wind 15 to 25 knots with gusts to around 35 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Scattered showers and a chance of Thunderstorms. Waves 2 to 4 feet.
Tonight..Southwest wind 10 to 15 knots. Chance of showers and Thunderstorms. Waves 1 to 2 feet.
Friday..Southwest wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then backing south early in the afternoon becoming south 10 to 15 knots late in the afternoon. Chance of showers and Thunderstorms in the morning. Waves 1 to 2 feet.
Friday night..Southwest wind 10 to 15 knots easing to 5 to 10 knots after midnight. Chance of showers and Thunderstorms. Waves around 1 foot.
LMZ644 Expires:201907182200;;257830
FZUS53 KMKX 181605
NSHMKX
Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1105 AM CDT Thu Jul 18 2019
For waters within five nautical miles of shore on Lake Michigan
LMZ644-182200-
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 181522 aaa afdmkx area forecast discussion... Updated national weather service milwaukee sullivan wi 1022 am cdt Thu jul 18 2019 Update Wake low winds developed this morning across the northern forecast area including madison, the dells, juneau, and sheboygan. Southerly wind gusts up to 36 mph have been reported. These winds should shift southeast with time as rain tapers off. As for precip trends, we still have some thunderstorms regenerating over southwest wi on the nose of the weakening low level jet. These should diminish with time through late morning and this is lingering longer than previously anticipated. The extensive cloud cover and lingering precip are holding temperatures down across southern wi this morning and it's going to be hard to recover this afternoon. After coordination with chicago, we cancelled the heat advisory for most of southern wi for today and are keeping it in effect for tomorrow beginning at 10am 15z. For far southwest wi, including iowa, lafayette, and green counties, we are keeping the heat advisory going for today. There's a decent chance that the warmer and more humid air mass will be able to nudge into southwest wi later this afternoon. Marine Gusty southerly winds will persist through late morning due to a wake low. These are in response to a rapid pressure change as the precip weakens over the area. A few gale force gusts are possible. The sheboygan c-man station reported a peak gust of 38 kt last hour, but that sensor is 100 feet off the ground water. We will start to see some breezier southerly winds across the lake this afternoon with some clearing, primarily the northern half with gusts up to 20-25 kts possible with waves growing to 3-4 feet. We will see gusts along the nearshore approach small craft advisory conditions, but do not expect winds to reach criteria. Into the evening and overnight we will see more chances for storms especially across the central portion of the lake. These storms may be capable of some stronger gusts at times. Storm chances will continue for Friday and Saturday with a nice, dry stretch of weather expected next week. Prev discussion (issued 701 am cdt Thu jul 18 2019) update... storms with mostly heavy rain and lightning continue through the region and will make their way out this morning. Otherwise the forecast remains on track. Aviation(12z tafs)... the strongest storms are making their way through southeast wisconsin now with heavy rain and lightning continuing for the next hour or so before most of the region becomes just light to moderate showers. There will be additional chances for storms through much of the morning hours but they will likely push out later this morning into the early afternoon. The biggest concern will be for the southeast which for the next hour could see MVFR vsbys and CIGS associated with storms. Otherwise we should see southwest winds that will gust to 20-25 kts this afternoon into the evening we will see additional chances for storms causing additional concerns for vsbys and cigs. Although some of these storms may be strong they may remain primarily to the north of milwaukee and madison. In addition there will be some low level wind shear of 40 kt from the southwest up to 2000 ft, though this will be strongest further west. Prev discussion... (issued 338 am cdt Thu jul 18 2019) short term... today and tonight... Forecast confidence is medium. Storms are expected to continue from the west this morning through southern wi and push out of the area by the late morning. There are multiple sources of forcing for these storms. There is the warm front which will be aided by the LLJ and associated theta-e advection as well as an upper level shortwave that will be pushing through the region. This will be a concern given some instability around 1500-2500 j kg of MUCAPE and 35-40 kts of 0-6 km bulk shear. Any storms will be elevated with most storms likely remaining on the weaker side especially as they track east southeast. After storms and associated clouds push out of the region in the morning afternoon, we should expect the Sun to warm the region up quite quickly. Highs should reach the upper 80s to low 90s, with dewpoints in the mid 70s. This will lead to a very warm and sticky day, with heat indices around 100 degrees to the southwest parts of the cwa, and mid to upper 90s elsewhere. We will continue the heat advisory as is for today, despite the lowered highs and heat index values. We still want to convey that it will be very warm and humid, and precautions with respect to heat should still be made. If the clouds clear out quicker than expected this afternoon, temperatures and heat index values will rise higher than forecast. There is additional potential for storms later this evening, though they will be very dependent on the way storms play out |
later in the morning hours. However, if we can get the Sun out and warm up enough we will see a chance for a few severe storms. There may be some upper level influence with some models indicating some pva. However, the main forcing looks to be the warm front that will be just to the north. There will be additional influence from the LLJ as well as fairly decent theta-e advection. Outside of the influence of morning convection the other piece of uncertainty is where convection will occur. The storms may actually stick further to the north closer to the boundary. However, cams still show storms in the area so we will have to monitor how the situation tonight develops. Storms will push out of the region during the morning hours Friday. Friday... Forecast confidence is high. Heat advisory continues through 11 pm cdt Friday evening. Model certainty trends continue to suggest a hot and humid day across the area. Forecast highs in the middle 90s, with some upper 90s in southeast wisconsin, are more in the 75th to 90th percentile range, which is on the higher end of the guidance envelope. However, gusty southwest winds and a good amount of Sun should allow the middle to perhaps upper 90s occur. Record highs at milwaukee and madison will be approached. Heat index values are not in the 105 to 111 degree range across the area, with dew points in the middle to perhaps upper 70s. This will be the most impactful heat-related day. In addition, most of the day should be capped and dry. Left low pops in the north late in the day, but most thunderstorm chances should hold off until evening. Friday night through Saturday night... Forecast confidence is medium. Chances for thunderstorms occur for Friday night, as the low level jet remains pointed into the region. The activity may end up north of the area, but left in pops for now, just in case. Better chances for storms then occur Saturday into Saturday night, as the cold front moves south southeast into and through the area. There is a good amount of mean layer elevated CAPE and deep layer bulk shear Friday night into Saturday night for some strong severe storms. SPC marginal risk seems reasonable at this time. Could also see some heavy rainfall, as precipitable water values are high. The increasing clouds and storm potential Saturday should keep highs low enough to limit heat index values to the 90s. Long term... Sunday through Wednesday... Forecast confidence is medium. Enough cold air advection occurs on Sunday that the current pops may need to be removed in later forecasts. Large high pressure moves southeast into the region for the first part of next week, which should bring dry conditions and pleasant temperatures. The current pops for Sunday night early Monday may need removal in later forecasts, if this trend continues. Aviation(09z TAF updates)... storms will push through this morning causing concerns for breezy gusts and locally heavy downpours. This could potentially cause some temporary MVFR ifr vsbys and CIGS but they generally should not last long. These storms will push out by the late morning with clouds clearing out a bit into the afternoon. This afternoon winds will be breezy from the southwest with gusts up to 25 kts possible. Into the evening we could see additional storms chances with similar concerns for breezy winds and locally heavy downpours. There is a slight chances for a few stronger storms but these should remain primarily to the north.VFR conditions are expected for most of the period. Marine... storms should be mostly weak as they push over the southern half of the lake this morning, though some stronger gusts to 30 kts are possible. Into the late morning early afternoon we will start to see some breezier southerly winds across the lake, primarily the northern half with gusts up to 20-25 kts possible with waves growing to 3-4 feet. We will see gusts along the nearshore approach small craft advisory conditions, but do not expect winds to reach criteria. Into the evening and overnight we will see more chances for storms especially across the central portion of the lake. These storms may be capable of some stronger gusts at times. Storm chances will continue for Friday and Saturday with a nice, dry stretch of weather expected next week. Mkx watches warnings advisories Wi... Heat advisory from 10 am to 11 pm cdt Friday for wiz046-047-051- 052-056>060-063>066-069>072. Heat advisory until 11 pm cdt Friday for wiz062-067-068. Lm... None. Update... Cronce today tonight and aviation marine... Ark Friday through Wednesday... 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 | 25 min | S 25 G 29 | 72°F | ||||
| 45013 | 7 mi | 45 min | S 25 G 31 | 66°F | 4 ft | 1007.9 hPa | ||
| KNSW3 - Kenosha, WI | 34 mi | 45 min | SSE 22 G 24 | 68°F | 1010.2 hPa (-3.7) | |||
| 45187 | 41 mi | 25 min | SSE 14 G 19 | 70°F | 65°F | 1 ft | ||
| 45186 | 49 mi | 25 min | SE 14 G 18 | 70°F | 67°F | 1 ft |
Wind History for Calumet Harbor, IL
(wind in knots) EDIT (on/off) Help| 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 | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | |
| Last 24hr | NE | NE G8 | NE G8 | NE G10 | NE | E | S G16 | N | E | E | E | E | S | S | S | S | S | SW | S | S | S G10 | NW G9 | N G10 | W |
| 1 day ago | S G9 | SW | NW | NW | NE | E | NE | E | E | E | E | NW | -- | SW | -- | SW | SW | SW | -- | -- | NE | NE | NE | NE |
| 2 days ago | SW G13 | S G17 | SW G18 | SW G20 | S G21 | S G21 | SW G21 | SW G19 | SW G14 | S G10 | S G9 | S | S | S | S G14 | S G8 | S G8 | S G8 | S G6 | S | S | S | S | S |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Milwaukee-Timmerman, WI | 6 mi | 60 min | S 20 G 27 | 10.00 mi | Mostly Cloudy and Breezy | 72°F | 66°F | 83% | 1008.5 hPa |
| Milwaukee, General Mitchell International Airport, WI | 8 mi | 53 min | S 21 G 33 | 10.00 mi | Overcast and Breezy | 74°F | 69°F | 85% | 1008.3 hPa |
| Waukesha County Airport, WI | 13 mi | 60 min | SSE 15 G 22 | 10.00 mi | Partly Cloudy | 70°F | 69°F | 100% | 1009.8 hPa |
| Racine, Batten International Airport, WI | 22 mi | 52 min | SSE 20 G 31 | 10.00 mi | Mostly Cloudy and Breezy | 72°F | 68°F | 87% | 1009.9 hPa |
Wind History from MWC (wind in knots)
| 1 PM | 2 PM | 3 PM | 4 PM | 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 | |
| Last 24hr | E | SE | E | E | E | SE | E | SE | E | E | Calm | Calm | E | Calm | S | S | S | S | W | W | S | S | S G24 | S G27 |
| 1 day ago | SW | S | S | W | NW | E | E | SE | S | S | S | Calm | Calm | Calm | Calm | W | W | W | W | N | NE | NE | E | E |
| 2 days ago | SW G17 | SW G19 | SW G16 | SW G21 | SW G25 | SW G23 | SW G20 | SW | SW G16 | SW G14 | SW G14 | SW | SW | SW | SW | S | S | S | W | SW | SW | W | W | S |
Tide / Current Tables for
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Wind Forecast for Milwaukee/Sullivan, WI (13,3,4,5)
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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. |