Sunrise 5:37 AM   Sunset 7:57 PM Moonrise 3:31 AM   Moonset 2:34 PM

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LMZ669 Expires:202405032130;;549443 Fzus63 Kmkx 031402 Glflm
open lake forecast for lake michigan national weather service milwaukee/sullivan wi 902 am cdt Fri may 3 2024
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 -
high pressure of 30.1 inches and lighter surface winds are expected later this afternoon and tonight. Some low level moisture returns on Saturday ahead of a cold front. This front will move across lake michigan on Saturday evening, before high pressure around 30.1 inches again moves into the region for Sunday. No precipitation for Saturday night and Sunday. Winds are expected to be light to breezy across lake michigan through the upcoming weekend.
lmz080-669-671-673-675-777-779-870-872-874-876-878-032130- lake michigan from michigan city in to st. Joseph mi 5 nm offshore to mid lake- lake michigan from sheboygan to port washington wi 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 whitehall to pentwater mi 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- 902 am cdt Fri may 3 2024
sheboygan wi to pentwater mi south - .
Rest of today - Northwest winds 10 to 15 kt veering to northeast 10 to 20 kt. Areas of fog through last morning. Slight chance of rain showers and Thunderstorms through mid morning. Waves 1 to 3 ft. Tonight - Northeast winds 10 to 15 kt becoming east. Waves 1 to 3 ft subsiding to 1 to 2 ft. Saturday - East winds 10 to 15 kt becoming northeast. Waves 1 to 3 ft. Saturday night - Northwest winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft. Sunday - North winds 10 to 20 kt. Waves 2 to 4 ft. Sunday night - Northeast winds 10 to 20 kt diminishing to 5 to 10 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft. Monday - East winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft. Tuesday - Southeast winds 15 to 25 kt becoming south. Showers. Waves 3 to 5 ft.

LMZ600
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FXUS63 KMKX 031533 AAA AFDMKX

Area Forecast Discussion...UPDATED National Weather Service Milwaukee/Sullivan WI 1033 AM CDT Fri May 3 2024

KEY MESSAGES

- Rain and thunderstorm chances Saturday afternoon into Saturday evening, followed by additional precipitation chances for the middle portions of next week.

UPDATE
Issued 1032 AM CDT Fri May 3 2024

The low clouds cleared out of southeast WI and we have sunny skies. Drier air is moving in and dewpoints are dropping into the lower 40s. With high pressure moving in and lighter winds, a lake breeze is already getting established. This will move inland through the afternoon as the general flow becomes easterly.

Cronce

SHORT TERM
Issued 215 AM CDT Fri May 3 2024

Today and Tonight:

Drier airmass moves into southern Wisconsin today. Clouds will hold on over eastern portions of the forecast area early this morning, but expect to give way to mostly sunny skies by late this morning and afternoon. Generally clear skies are expected for tonight. Light winds also become established through tonight with weak surface high pressure.

KPL

LONG TERM
Issued 215 AM CDT Fri May 3 2024

Saturday through Thursday:

Models remain in fairly good agreement for this weekend and Monday. Next mid level shortwave trough still expected to impact southern Wisconsin by Saturday afternoon. It is a quick mover, but it should provide lift over the area through early Saturday evening. Thinking enough daytime heating and surface moisture convergence will lead to at least scattered thunderstorm coverage in this time range. Will mention this in our messaging, but not sure all parameters are there for anything more than a few strong thunderstorms.

Southern Wisconsin then gets another cold frontal passage in the early to mid evening hours on Saturday. More dry air behind this front for clearing and cooler temperatures Saturday night.
Rising heights aloft for Sunday into Monday for dry and warm conditions across the forecast area.

The unsettled part of this forecast looks to be Tuesday through Thursday with a broad upper level trough setting up over the northern plains. Energy rotates around this trough into the great lakes beginning on Tuesday. Lower and mid level moisture will be in place for the potential of widespread rain and embedded thunderstorms, especially Tuesday afternoon and evening. Will continue to watch timing of this potential event.

The mid-week pattern should keep temperatures near or slightly below normal on Wednesday and Thursday with at least some showers and thunderstorms persisting across southern Wisconsin.

KPL

AVIATION
Issued 1032 AM CDT Fri May 3 2024

The low clouds moved out and clear skies will prevail through Saturday morning. A lake breeze is already getting established, so the wind shift at MKE may be earlier than 18Z. Winds will be light and become more easterly later this afternoon through tonight. A line of storms is possible Saturday afternoon.

Cronce

MARINE
Issued 215 AM CDT Fri May 3 2024

Showers exit Lake Michigan this morning. High pressure of 30.1 inches and lighter winds are expected later this afternoon and tonight. Some low level moisture returns on Saturday ahead of a cold front. This front will move across Lake Michigan on Saturday evening, before high pressure around 30.1 inches again moves into the region for Sunday. Winds are expected to be light to breezy across Lake Michigan through the upcoming weekend.

KPL

MKX WATCHES/WARNINGS/ADVISORIES
WI...None.
LM...None.

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