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Marine Weather and Tides
Version 3.4 |
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it. 8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue. 12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed. 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. |
| Sunrise 7:16AM | Sunset 4:45PM | Saturday January 16, 2021 2:17 AM CST (08:17 UTC) | Moonrise 10:44AM | Moonset 9:34PM | Illumination 9% |  |
LMZ673 Expires:202101161030;;983000 Fzus63 Kmkx 160254 Glflm Open Lake Forecast For Lake Michigan National Weather Service Milwaukee/sullivan Wi 854 Pm Cst Fri Jan 15 2021 For Waters Beyond Five Nautical Miles Of Shore On Lake Michigan. Waves Are Provided As A Range Of Significant Wave Heights, Which Is The Average Of The Highest 1/3 Of The Wave, Along With The Average Height Of The Highest 10% Of The Waves Which Will Occasionally Be Encountered.
Synopsis.. Low pressure of 29.6 inches will remain in the vicinity of central lake michigan tonight then shifting east Saturday morning. As the low slowly moves east, brisk north winds will develop from north to south across the western half of lake michigan late tonight and Saturday morning. Brisk northwest winds are then expected across the entire lake by Saturday afternoon and continue into the night. The low will continue to move away with lighter northwest winds for Sunday. && lmz080-671-673-675-777-779-872-874-876-878-161030- lake michigan from michigan city in to st. Joseph mi 5 nm offshore to mid lake- lake michigan from port washington to north point light wi 5 nm offshore to mid lake- lake michigan from north point light to wind point wi 5 nm offshore to mid lake- lake michigan from wind point wi to winthrop harbor il 5 nm offshore to mid lake- lake michigan from winthrop harbor to wilmette harbor il 5 nm offshore to mid lake- lake michigan from wilmette harbor il to michigan city in 5 nm offshore to mid lake- lake michigan from grand haven to whitehall mi 5 nm offshore to mid lake- lake michigan from holland to grand haven mi 5 nm offshore to mid lake- lake michigan from south haven to holland mi 5 nm offshore to mid lake- lake michigan from st. Joseph to south haven mi 5 nm offshore to mid lake- 854 pm cst Fri jan 15 2021 port washington wi to whitehall mi south...
Rest of tonight..West winds 5 to 10 kt increasing to 10 to 20 kt. Slight chance of rain and snow through early evening, then rain likely with a chance of snow overnight. Waves 1 to 3 ft.
Saturday..West winds 15 to 25 kt becoming northwest. Snow and rain likely in the morning, then chance of rain and snow in the afternoon. Waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft.
Saturday night..Northwest winds to 30 kt diminishing to 10 to 20 kt. Chance of rain and snow in the evening. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft.
Sunday..Northwest winds 10 to 15 kt. Chance of rain in the morning, then chance of rain and snow in the afternoon. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
Sunday night..Northwest winds 10 to 15 kt increasing to 10 to 20 kt. Chance of rain and snow in the evening. Waves 2 to 4 ft.
Monday..Northwest winds 10 to 20 kt becoming west. Waves 2 to 4 ft.
Monday night..West winds 10 to 20 kt. Waves 2 to 4 ft.
Tuesday..West winds 10 to 20 kt. Waves 3 to 5 ft.
Wednesday..West winds 15 to 25 kt becoming southwest to 30 kt. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
Synopsis.. Low pressure of 29.6 inches will remain in the vicinity of central lake michigan tonight then shifting east Saturday morning. As the low slowly moves east, brisk north winds will develop from north to south across the western half of lake michigan late tonight and Saturday morning. Brisk northwest winds are then expected across the entire lake by Saturday afternoon and continue into the night. The low will continue to move away with lighter northwest winds for Sunday. && lmz080-671-673-675-777-779-872-874-876-878-161030- lake michigan from michigan city in to st. Joseph mi 5 nm offshore to mid lake- lake michigan from port washington to north point light wi 5 nm offshore to mid lake- lake michigan from north point light to wind point wi 5 nm offshore to mid lake- lake michigan from wind point wi to winthrop harbor il 5 nm offshore to mid lake- lake michigan from winthrop harbor to wilmette harbor il 5 nm offshore to mid lake- lake michigan from wilmette harbor il to michigan city in 5 nm offshore to mid lake- lake michigan from grand haven to whitehall mi 5 nm offshore to mid lake- lake michigan from holland to grand haven mi 5 nm offshore to mid lake- lake michigan from south haven to holland mi 5 nm offshore to mid lake- lake michigan from st. Joseph to south haven mi 5 nm offshore to mid lake- 854 pm cst Fri jan 15 2021 port washington wi to whitehall mi south...
Rest of tonight..West winds 5 to 10 kt increasing to 10 to 20 kt. Slight chance of rain and snow through early evening, then rain likely with a chance of snow overnight. Waves 1 to 3 ft.
Saturday..West winds 15 to 25 kt becoming northwest. Snow and rain likely in the morning, then chance of rain and snow in the afternoon. Waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft.
Saturday night..Northwest winds to 30 kt diminishing to 10 to 20 kt. Chance of rain and snow in the evening. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft.
Sunday..Northwest winds 10 to 15 kt. Chance of rain in the morning, then chance of rain and snow in the afternoon. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
Sunday night..Northwest winds 10 to 15 kt increasing to 10 to 20 kt. Chance of rain and snow in the evening. Waves 2 to 4 ft.
Monday..Northwest winds 10 to 20 kt becoming west. Waves 2 to 4 ft.
Monday night..West winds 10 to 20 kt. Waves 2 to 4 ft.
Tuesday..West winds 10 to 20 kt. Waves 3 to 5 ft.
Wednesday..West winds 15 to 25 kt becoming southwest to 30 kt. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
LMZ673
7 Day Forecast for Marine Location Near Wind Point, WI
Hourly EDIT Help
location: 42.86, -87.09 debug
Area Discussion for - Milwaukee/Sullivan, WI
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS63 KMKX 160321 AFDMKX
Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 921 PM CST Fri Jan 15 2021
UPDATE. (Issued 921 PM CST Fri Jan 15 2021)
Low pressure will remain over central Lake MI tonight as the upper low over IL and IN moves east with its axis pivoting north. Meanwhile the sfc trough extending west from the sfc low across central WI will shift slowly ssewd through the night. Low to mid level frontogenesis and warm advection is associated with this trough axis and responsible for the ongoing light snow. Sfc temps have remained at or slightly above freezing with wet snow and light snow accums. The light snow will linger into Sat AM with additional very light snow accum expected.
Gehring
SHORT TERM. (Issued 255 PM CST Fri Jan 15 2021)
Tonight through Saturday night:
Isolated to scattered rain/snow showers will continue through this afternoon before more widespread snow moves in this evening into early Saturday morning. This is due to the low pressure system that has been spitting out rain and snow over us since yesterday. The stacked low over western IL will develop another area of low pressure over Lake Michigan this evening before shifting east. This will bring a front through the region with a decent area of 850-700mb frontogenesis. This will be the main forcing and with temperatures colder than yesterday precipitation type is expected to be all snow across the area. Snow ratios should be around 10 to 1 with temperatures around freezing. This also means that snow will again be wet and slushy with amounts through Friday morning around 1 to 2 inches with lower amounts towards southwest Wisconsin.
Snow will gradually clear Saturday with some snow showers lingering into the afternoon. A shortwave ridge will briefly move in Saturday night giving us a short break from precipitation chances.
RAH
LONG TERM. (Issued 255 PM CST Fri Jan 15 2021)
Sunday through Friday:
A somewhat cooler and more active pattern is in store for next week. Another shortwave will be digging across the Midwest on Sunday, bringing with it a chance for light snow showers. QPF looks to be pretty light, so only a dusting to a half inch of snow is expected. Highs Sunday will be around 30.
Cooler temps aloft arrive for Monday and Tuesday, with highs Monday in the upper 20s, and mid 20s expected for Tuesday. Couldn't rule out a few flurries or light snow showers associated with a vort lobe rotating through the area Monday night, and with another moving through on Tuesday.
Winds pick up from the southwest later in the week, as high pressure moves through the southern US, while low pressure deepens across the Northern Plains and southern Canadian Prairies. Temperatures will get a slight boost, but gusty winds will keep wind chills in the teens and 20s. That low will move through the northern Great Lakes Thursday, with deep high pressure expected to build into the area by next Friday. This suggests cooler temperatures heading into next weekend.
Boxell
AVIATION. (Issued 921 PM CST Fri Jan 15 2021)
Cigs below 1 kft north of a line from KMSN to KMKE will spread south to the IL border by midnight or shortly afterward. Light snow will continue over much of srn WI tnt-Sat AM with vsbys ranging from 1-3SM. The snow will diminish through late Sat AM into the early afternoon with Cigs gradually rising above 1 kft through the afternoon.
Gehring
MARINE. (Issued 255 PM CST Fri Jan 15 2021)
Southeast to east winds will shift to the northwest tonight into Saturday behind the front. Winds are also expected to increase behind the front with gusts up around 25 knots mainly over the open waters. Waves in the nearshore look to hit 3 to 5 feet, therefore a Small Craft Advisory is in effect for Saturday morning and afternoon. Winds and waves decrease Saturday night into Sunday with calmer conditions expected into next week.
RAH
MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . Small Craft Advisory . LMZ643 . 7 AM Saturday to 6 PM Saturday.
Small Craft Advisory . LMZ644-LMZ645-LMZ646 . 10 AM Saturday to 6 PM Saturday.
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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 | 42 mi | 77 min | SW 7 G 8.9 | 33°F | 1000.7 hPa (-1.0) | |||
| HLNM4 - 9087031 - Holland, MI | 47 mi | 47 min | SSE 8 G 9.9 | 31°F | 35°F | 1000.8 hPa | 31°F | |
| MKGM4 - Muskegon, MI | 47 mi | 27 min | SSW 8.9 G 9.9 | 34°F | 1001.7 hPa | 32°F |
Wind History for Holland, MI
(wind in knots) EDIT (on/off) Help| 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 | 1 AM | 2 AM | |
| Last 24hr | S | S G16 | SE G9 | S | E | E G11 | SE | E | SE G6 | E G7 | SW | -- | S | E | S | S | S G12 | S | SW | S | S G13 | S | S G15 | SE G9 |
| 1 day ago | S G15 | S | S | S | E G11 | SE G10 | SE | SE G11 | SE | E G13 | E | SE | E G15 | E | E G15 | E G15 | E G10 | SE G14 | E G14 | E G13 | E G13 | E | SE G12 | SE G14 |
| 2 days ago | S | S | S | S G21 | S | S | SW | SW | SW G20 | SW | S | S | SW | S | SW | S | SW | S | S | S | S | S |
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 |
| Racine, Batten International Airport, WI | 39 mi | 24 min | SW 6 | 1.75 mi | Light Snow Fog/Mist | 33°F | 31°F | 92% | 1000.9 hPa |
Link to 5 minute data for KRAC
Wind History from RAC (wind in knots)
| 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 | 1 AM | 2 AM | |
| Last 24hr | S | S | S | SE | S | SE | SE | SE | SE | SE | S | SE | SE | Calm | N | Calm | SW | W | W | W | SW | SW | SW | SW |
| 1 day ago | Calm | Calm | S | S | S | S | SE | S | SE | SE | SE | SE | SE | SE | SE | S G18 | S G24 | S G26 | S G22 | S G23 | S G18 | S | S | S |
| 2 days ago | SW | SW | SW | SW | SW | SW | SW | SW | W | W | SW | SW | SW | SW | SW | Calm | S | SW | S | S | Calm | S | Calm | Calm |
Tide / Current Tables for
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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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