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Marine Weather and Tide Forecast for Grand Beach, MI

April 23, 2025 3:04 AM CDT (08:04 UTC) Change Location
Sunrise 5:52 AM   Sunset 7:38 PM
Moonrise 3:49 AM   Moonset 2:46 PM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

Marine Forecasts
   
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NOTE: Zones were updated 3/20/2025
LMZ080 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- 926 Pm Cdt Tue Apr 22 2025
sheboygan wi to pentwater mi south - .

Rest of tonight - Southeast winds 10 to 20 kt veering to northwest 10 to 15 kt. Chance of rain showers and slight chance of Thunderstorms late this evening. Waves 1 to 3 ft.

Wednesday - Southeast winds 5 to 10 kt increasing to 10 to 15 kt. Chance of rain showers. Waves 1 to 2 ft.

Wednesday night - Southeast winds 5 to 10 kt becoming south. Waves 1 to 2 ft.

Thursday - East winds 5 to 10 kt becoming north 10 to 15 kt. Waves 1 ft or less building to 1 to 3 ft.

Thursday night - Northeast winds 10 to 20 kt becoming east. Chance of rain showers overnight. Waves 2 to 4 ft.

Friday - East winds 10 to 20 kt backing to north 15 to 25 kt. Chance of rain showers in the morning, then rain showers likely in the afternoon. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.

Friday night - North winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of rain showers. Waves 4 to 7 ft occasionally to 9 ft.

Saturday - North winds 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft.

Sunday - Southeast winds 10 to 15 kt. Waves 1 to 3 ft.
LMZ005
No data

7 Day Forecast for Marine Location Near Grand Beach, MI
   
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Area Discussion for Northern Indiana, IN
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FXUS63 KIWX 230620 AFDIWX

Area Forecast Discussion National Weather Service Northern Indiana 220 AM EDT Wed Apr 23 2025

KEY MESSAGES

- Isolated to scattered thunderstorms are possible through early afternoon, primarily across northwest Indiana and southwest Michigan. Otherwise, warmer temperatures.

- Widespread showers and thunderstorms on Friday. No severe weather is expected at this time.

- Brief cooler and drier weather for Saturday with temperatures warming back up through early next week.

DISCUSSION
Issued at 212 AM EDT Wed Apr 23 2025

A cluster of light/moderate rain is moving into NW Indiana from IL has all but fizzled out as it continues to move east into our area, due to decreasing instability. A few sprinkles here or there over far SW Michigan and NW Indiana remain possible overnight, but otherwise much of the earlier activity has diminished.

Another pocket of showers and thunderstorms, on the northward extent of the ongoing severe threat across the Plains, is currently firing up over Iowa. This convection should also decrease in intensity over time as CAMs suggest highest rain chances will be across NW IN through SW MI. No severe weather is expected, but some gusty winds might be possible with any stronger updrafts given the marginal environment. Otherwise, above average temperatures are expected with highs in the mid 70s.

Weak ridging characterized by increasing mid-level heights will promote continued warming into Thursday with afternoon highs climbing into the low 80s (70s near the Lake). While unsettled weather is expected on Friday with showers and thunderstorms looking highly likely (80-90% chance), considerable uncertainty exists in some features, including a large variation in afternoon CAPE values.
Current forecast projections are for around a half inch of precipitation with this system. A cold front will push through, bringing in cooler/drier conditions for the weekend, before temps start to creep back up during the beginning part of the week.

AVIATION /06Z TAFS THROUGH 06Z THURSDAY/
Issued at 1257 AM EDT Wed Apr 23 2025

A stalled frontal boundary will bring widely scattered showers to areas west of US 31 this morning and early afternoon. Have added two PROB30 groups to the KSBN TAF to account for the low chances for precip. Winds will remain light out of the south today and VFR ceilings are expected to prevail through the duration of the forecast period. Have kept KFWA dry, but can't rule out a few showers in the vicinity later this morning.

IWX WATCHES/WARNINGS/ADVISORIES
IN...None.
OH...None.
MI...None.
MARINE...None.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
45026 - St. Joseph, MI 20 mi35 min0G1.9 46°F 44°F1 ft30.0941°F
MCYI3 - Michigan City, IN 21 mi25 minSW 5.1G5.1 58°F 30.0654°F
BHRI3 - Burns Harbor, IN 28 mi35 min0G0 58°F 30.09
CHII2 - Chicago, IL 31 mi35 minN 1.9G2.9 55°F 52°F
CNII2 34 mi35 min0G5.1 49°F 44°F
OKSI2 34 mi125 min0G1 51°F
CMTI2 - 9087044 - Calumet, IL 35 mi47 minN 2.9G4.1 51°F 30.0545°F
45168 44 mi35 minNW 3.9G7.8 47°F 44°F1 ft30.1042°F
45214 45 mi145 min 1 ft
SVNM4 - South Haven, MI 46 mi35 minS 5.1G6 53°F
WHRI2 - Waukegan Harbor, IL 49 mi65 minSE 1G1.9


Wind History for Calumet Harbor, IL
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KMGC25 sm9 mincalm10 smClear50°F45°F82%30.10

Weather Map
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GEOS Local Image of great lakes  
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Northern Indiana, IN,





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