Grand Ledge, MI Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Grand Ledge, MI

June 22, 2024 1:38 AM EDT (05:38 UTC) Change Location
Sunrise 5:59 AM   Sunset 9:22 PM
Moonrise 9:39 PM   Moonset 5:02 AM 
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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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LMZ846 Holland To Grand Haven Mi- 1005 Pm Edt Fri Jun 21 2024

Rest of tonight - Northeast winds 5 to 10 knots veering east late at night, then veering south toward daybreak. Partly cloudy. A slight chance of showers and Thunderstorms overnight. Waves 1 foot or less.

Saturday - South winds 10 to 20 knots. Mostly cloudy with a chance of showers and Thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet.

Saturday night - South winds 15 to 25 knots veering southwest to 30 knots late at night, then veering west toward daybreak. Rain showers and a chance of Thunderstorms. Waves 3 to 5 feet.

Sunday - Northwest winds 15 to 25 knots. Partly Sunny. Waves 2 to 4 feet.

Sunday night - Northwest winds 10 to 15 knots. Mostly clear. Waves 1 to 3 feet.

Monday - West winds 10 to 15 knots becoming around 10 knots late in the day. Sunny. Waves around 1 foot.

Tuesday - Southwest winds 15 to 20 knots. Partly Sunny with a chance of showers and Thunderstorms. Waves 2 to 3 feet.

Wednesday - Northwest winds 15 to 20 knots. Mostly Sunny. Waves 2 to 3 feet.

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7 Day Forecast for Marine Location Near Grand Ledge, MI
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Area Discussion for - Grand Rapids, MI
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Area Forecast Discussion National Weather Service Grand Rapids MI 1038 PM EDT Fri Jun 21 2024


- Scattered Storms This Evening

- Organized Convection with heavy rain Saturday into Saturday night

- Drying Out and Cooler Sunday and Monday

- Strong storms still possible Tuesday/Tuesday night

- Pleasant stretch expected Wednesday into the weekend

Issued at 1038 PM EDT Fri Jun 21 2024

A stationary boundary stretches from southern portions of the Thumb west across Southwest Lower Michigan. The front is located along the Wisconsin/Illinois line into Northern Iowa. This front is forecast to move northward tonight across our area in response to an upper shortwave (and its associated surface low) moving out of the Central Rockies and into the Plains. The 850mb low level jet begins to increase in strength overnight across Southwest Lower Michigan. We expect continued development of scattered showers and storms tonight across Central Lower Michigan on the nose of the low level jet. A more concentrated area of showers and storms will likely be pushing across Lake Michigan near and just before 12z per the morning run of the HRRR. This activity will be associated with a much stronger low level jet that will exist tonight in the Plains. Rainfall amounts will be held in check tonight by the scattered nature of the precipitation. A much heavier round of rainfall is expected Saturday afternoon into Saturday night ahead of the low and the associated cold front.
Another warm night is expected with lows in the upper 60s to around 70.

Issued at 331 PM EDT Fri Jun 21 2024

- Scattered Storms This Evening

ML CAPE values were up to 1500 J/kg around the region and low level convergence was maximized over northeast zones. Effective bulk shear values were highest over northern zones from near Ludington to Harrison. PWAT values were near 2 inches. Thus isolated/scattered storms will continue to develop inland through the remainder of the evening with locally heavy rain. With the effective bulk shear elevated north, this is downstream of the cell now near Green Bay. We will need to monitor that feature as the environment downstream of it is quite unstable.

- Organized Convection with heavy rain Saturday into Saturday night

A low level jet forms upstream in IA overnight and then noses into northern parts of the CWA Saturday morning. The warm front will be up in this area as well. Thus showers and thunderstorms will likely expand over the northern zones during the day. The warm front will likely remain nearly stationary and that could support training echoes. With PWAT values up around 2 inches and forecast soundings suggestive of efficient rain, rainfall could be excessive in some areas. It's still uncertain the exact location of where the front will stall out and where the convection will train, but that something to monitor closely in coming forecasts.

An impressive warm sector sets up over the CWA Saturday afternoon.
With strengthening wind fields, the risk for severe weather will increase. If any convection gets going near or just south of the warm front around our northern zones, the forecast deep layer shear is supportive for organized convection. Then during the evening, a stronger mid to upper level wave and associated cold front will be tracking in from the west. Instability will be sufficient for stronger storms. That in combination with the stronger deep layer shear could lead to a line of storms with stronger wind gusts. The main window for this to happen is after 00z Sunday.

- Drying Out and Cooler Sunday and Monday

Lingering light showers Sunday morning should give way to clearer and slightly cooler conditions by Sunday afternoon. Dry conditions persist through Monday into early Tuesday. Temperatures should back off into the lower 80s both days. Some breezy conditions on Sunday but generally in the 15 to 25 mph range.

- Strong storms still possible Tuesday/Tuesday night

Continuing to keep on eye on the set up of hot/humid air building from the south with MCSs tracking through the Great Lakes from the northwest. This is our target for any significant weather in the upcoming week and will have to continue to be watched for severe weather potential.

- Pleasant stretch expected Wednesday into the weekend

Once the last of the MCS exits by early Wednesday a pleasant stretch of weather should move into lower Michigan. Wednesday through Friday should be really nice with highs in the upper 70s to lower 80s with much less humidity than we've seen in recent days. Could see some heat return next weekend through much of next week but currently not looking as oppressive as what was experienced this past week.

Issued at 750 PM EDT Fri Jun 21 2024

We are seeing a lull in the shower and storm activity across the area with the last of the showers/storms moving out of the area.
VFR conditions have returned to all areas. Additional showers and storms are expected later tonight, but are likely to stay north of the terminals. Winds will go lighter overnight, but will stay up aloft. This should prevent fog from forming, but it is something we will keep an eye on.

More widespread showers and a few storms will arrive toward KMKG around 12z Saturday, and move east through the morning. We have gone with showers with MVFR conditions, and a prob30 for storms and IFR conditions at KGRR and KMKG. Elsewhere, it looks like the showers/storms will be much less in coverage, and have handled this with a VCSH for now.

It does look like that one more widespread line of showers and storms will move into the area with the front. This will come after 00z Sunday however.

Issued at 331 PM EDT Fri Jun 21 2024

A low level jet will arrive later tonight and persist into Saturday evening. This will likely lead to increasing winds and waves. Model projections suggest we will remain under criteria for small craft and beach hazards through much of Saturday. During Saturday evening there could be enough increase in the winds and waves to warrant some headlines. With several rounds of convection expected over the next 48 hours, they could impact the wind setup.
For now we will hold off on a any headline issuance's given the uncertainty.

MI...Heat Advisory until 8 PM EDT Saturday for MIZ056-057-064>067- 071>074.

Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
HLNM4 - 9087031 - Holland, MI 78 mi51 minNW 1.9G2.9 76°F 72°F30.0365°F
MKGM4 - Muskegon, MI 90 mi39 minENE 6G7 73°F 30.0372°F
SBLM4 - Saginaw Bay Light #1, MI 91 mi39 minE 4.1G6 71°F 30.05

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KLAN CAPITAL REGION INTL,MI 9 sm45 minE 0310 smA Few Clouds73°F72°F94%30.08
KFPK FITCH H BEACH,MI 13 sm23 minSSW 0110 smClear68°F66°F94%30.07
KTEW MASON JEWETT FIELD,MI 21 sm23 minSSE 0410 smPartly Cloudy73°F72°F94%30.08
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Wind History graph: LAN
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