Fennville, MI Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Fennville, MI

April 12, 2024 6:02 PM EDT (22:02 UTC) Change Location
Sunrise 7:04 AM   Sunset 8:25 PM
Moonrise 8:17 AM   Moonset 12:00 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.

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Marine Forecasts
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LMZ845 South Haven To Holland Mi- 405 Pm Edt Fri Apr 12 2024

.gale warning in effect until 6 pm edt this evening - .

Through early evening - Northwest winds 15 to 25 knots. Partly Sunny. Waves 7 to 10 feet.

Tonight - Northwest winds 15 to 25 knots. Mostly clear. Waves 5 to 7 feet.

Saturday - West winds 10 to 20 knots backing south late in the day. Sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the day.

Saturday night - South winds 10 to 20 knots becoming southwest to 30 knots toward daybreak. Partly cloudy with a slight chance of rain showers. Waves 1 to 2 feet building to 3 to 5 feet after midnight.

Sunday - Southwest winds around 20 knots veering northwest late in the day. Sunny. Waves 3 to 5 feet.

Sunday night - North winds 5 to 15 knots veering northeast toward daybreak. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.

Monday - East winds around 10 knots veering southwest, then veering north late in the day. Sunny. Waves 1 foot or less.

Tuesday - Southeast winds 20 to 25 knots. Rain showers likely. Waves 2 to 3 feet.

Wednesday - Southwest winds around 25 knots. Rain showers likely. Waves 4 to 6 feet.

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7 Day Forecast for Marine Location Near Fennville, MI
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Area Discussion for - Grand Rapids, MI
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Area Forecast Discussion National Weather Service Grand Rapids MI 304 PM EDT Fri Apr 12 2024


- A few showers/storms mainly North Saturday night

- Mild Next Week With Strong Storms Possible Tuesday/Wednesday

- Cooler Weather With Showers Late Next Week

Issued at 304 PM EDT Fri Apr 12 2024

- A few showers/storms mainly North Saturday night

Before we get into the details about the next system, we just need to address this afternoon's wind situation briefly. The winds had been gusty today, but not too bad until just recently as expected.
Winds had been gusting 25 to 30 mph with a recent uptick along the land areas of the lakeshore. KMKG had a recent gust to 48 knots as the clouds are starting to clear out, and better mixing of the winds aloft down to the sfc are taking place. We expect this trend to continue inland as clearing takes over the next 2 to 4 hours before winds then diminish.

Skies are expected to clear out nicely then through this evening from West to East. Some high clouds are likely to move overhead Saturday afternoon in advance of the next system that will move through Saturday night.

The trend of the potential for showers and storms has shifted north a bit over the past couple of days. That is because the track of the short wave of interest is now staying north of the state, vs. moving across Northern Lower as indicated a couple of days ago. This wave will not have a lot of moisture to work with being so far north.
What it will have is a good deal of warm air well SW of the area being tapped by a strong low level jet of 40+ knots to focus the warm air advection.

The nose of the low level jet will be focused on Central and Northern Lower, keeping most of, it not all of the rain north of I- 96. Thunder remains possible with any rain showers as elevated LI's are below zero a little. Sfc based instability is pretty much non- existent, so worst case scenario with any storms might be some small hail and lightning. This will move through quickly Saturday night, and should be mostly gone by 12z Sunday.

- Mild Next Week With Strong Storms Possible Tuesday/Wednesday

A consensus of latest medium range guidance continues to indicate that temperatures will average much above normal for this time of year from Sunday through the middle of next week with high temps mainly in the upper 60's to lower 70's. This will occur as upper level ridging builds in from the west and amplifies significantly out ahead of a strong Plains states system.

Isentropic upglide/elevated instability north of a warm front will bring the first chance of showers and storms early Tuesday. A better chance for rain and convection will come Tuesday night aided by forcing from a vigorous llj on the order of 45-55 kts aimed squarely at southern lower Michigan. Another chance for showers and convection will come Wednesday along and ahead of the cold front.

- Cooler Weather With Showers Late Next Week

A significant wx pattern change will come late next week as an upper level low/trough gradually moves in from the wnw. Therefore much cooler wx is expected late next week along with potential for some showers and perhaps a few storms as the upper trof axis moves in.

Issued at 1205 PM EDT Fri Apr 12 2024

Windy conditions will continue at all the terminals this afternoon and tonight with peak wind gusts to around 40 kts or so occurring this afternoon from the northwest. A mix of mainly MVFR to VFR conditions will slowly improve to VFR very late this afternoon and evening as cigs improve. Lingering light rain showers and drizzle mainly at our eastern terminals will gradually taper off through the afternoon. VFR conditions are expected at all the terminals Saturday.

Issued at 304 PM EDT Fri Apr 12 2024

We will be holding on the Gale Warning for just a bit longer for the time being. We will eventually need to transition to a Small Craft Advisory this evening. Winds at the coastal observing sites are a bit marginal with less mixing over the cooler waters, as compared the inland areas starting to warm up and gust a bit higher.

After a brief break in the wind on Saturday with high pressure moving through, winds will pick up again Saturday night into Sunday in association with the next wave moving through.

MI...Wind Advisory until 2 AM EDT Saturday for MIZ037>040-043>046- 050>052-056>059-064>067-071>074.
MARINE...Gale Warning until 6 PM EDT this evening for LMZ844>849.

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
HLNM4 - 9087031 - Holland, MI 11 mi45 min WNW 15G20 46°F 49°F29.7441°F
SVNM4 - South Haven, MI 20 mi33 min NW 14G15 48°F
45161 39 mi23 min 5 ft
MKGM4 - Muskegon, MI 42 mi23 min NW 19G20 47°F 29.7640°F

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KBIV WEST MICHIGAN RGNL,MI 6 sm69 minNW 12G2810 smClear57°F39°F51%29.74
KLWA SOUTH HAVEN AREA RGNL,MI 23 sm27 minNNW 0810 smOvercast52°F41°F67%29.79
Link to 5 minute data for KBIV

Wind History from BIV
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Tide / Current for
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Weather Map
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GEOS Local Image of great lakes   

Grand Rapids/Muskegon, MI,

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