Marine Weather and Tide Forecast for Fennville, MI
 | Sunrise 6:55 AM Sunset 8:31 PM Moonrise 6:51 AM Moonset 10:58 PM |
Marine Forecasts
NOTE: Zones updated 4/16/2026. Some zones changed. Use Edit if needed.
LMZ845 South Haven To Holland Mi- 223 Pm Edt Sun Apr 19 2026
Through early evening - Northwest winds 15 to 20 knots. Mostly Sunny with a slight chance of rain showers. Waves 2 to 4 feet.
Tonight - North winds 10 to 20 knots veering northeast after midnight. Mostly clear. Waves 2 to 4 feet.
Monday - Northeast winds 5 to 10 knots backing northwest in the late morning and early afternoon, then backing west early in the afternoon. Sunny. Waves around 1 foot.
Monday night - South winds 5 to 10 knots increasing to 15 to 25 knots in the late evening and overnight. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet after midnight.
Tuesday - Southwest winds 15 to 25 knots. Mostly Sunny. Waves 3 to 5 feet.
Tuesday night - Southwest winds 10 to 15 knots veering northwest in the late evening and early morning, then veering northeast after midnight. Partly cloudy. Waves 1 to 3 feet.
Wednesday - Northeast winds 5 to 10 knots backing northwest early in the afternoon. Sunny. Waves 1 foot or less.
Thursday - South winds 15 to 20 knots. Mostly Sunny. Waves 1 to 2 feet.
Friday - South winds 20 to 25 knots veering southwest early in the afternoon. Rain showers likely. Waves 3 to 5 feet.
LMZ800
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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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FXUS63 KGRR 192358 AFDGRR
Area Forecast Discussion National Weather Service Grand Rapids MI 758 PM EDT Sun Apr 19 2026
KEY MESSAGES
- Freeze Warning Tonight
- Some Storminess by Friday
DISCUSSION
Issued at 245 PM EDT Sun Apr 19 2026
- Freeze Warning Tonight
Sharp upper trough moving through today combined with sufficient low to mid level moisture has resulted in convective updrafts with scattered showers this afternoon. Lake shadow and high clouds has prevented widespread deeper updrafts, lowering the potential for ice pellet/graupel. Showers will diminish end this evening as the trough axis moves east and with the loss of insolation.
Cold surface high builds in overnight with drying and subsidence with winds decoupling after midnight. Radiational cooling conditions become optimal by 12Z with the surface high progged to be centered over southwest Lower Michigan. A hard freeze is expected as temperatures will be below freezing for several hours.
- Some Storminess by Friday
The surface high moves east by Tuesday with southerly flow developing but the moisture return does not immediately result in precipitation as shortwave ridging is expected during the middle part of the week ahead of an upper low over the NW CONUS that eventually moves into Upper Plains and Canada by the end of the week. A cold front trailing a surface low moving into northern Minnesota before it occludes and moves into Canada will concentrate showers on Friday with the chance for thunderstorms during the afternoon.
AVIATION /00Z TAFS THROUGH 00Z TUESDAY/
Issued at 759 PM EDT Sun Apr 19 2026
Cumulus clouds are in the process of scattering out. The clouds drifting out of Wisconsin should continue to dissipate and should not affect the TAFs much at all. VFR conditions are expected the next 24 hours with either clear skies or FEW-SCT clouds around 5,000 feet. Winds are in the process of diminishing and within the next our or two should lose the gusts. Winds are expected to be light tonight out of the north.
MARINE
Issued at 245 PM EDT Sun Apr 19 2026
High pressure brings tranquil conditions on Lake Michigan tonight and Monday. The high will move east and southerly winds increase and waves will build Monday night. A SCA will be needed from late Monday through Tuesday.
GRR WATCHES/WARNINGS/ADVISORIES
MI...Freeze Warning from 11 PM this evening to 11 AM EDT Monday for MIZ050>052-056>059-064>067-071>074.
MARINE...None.
Area Forecast Discussion National Weather Service Grand Rapids MI 758 PM EDT Sun Apr 19 2026
KEY MESSAGES
- Freeze Warning Tonight
- Some Storminess by Friday
DISCUSSION
Issued at 245 PM EDT Sun Apr 19 2026
- Freeze Warning Tonight
Sharp upper trough moving through today combined with sufficient low to mid level moisture has resulted in convective updrafts with scattered showers this afternoon. Lake shadow and high clouds has prevented widespread deeper updrafts, lowering the potential for ice pellet/graupel. Showers will diminish end this evening as the trough axis moves east and with the loss of insolation.
Cold surface high builds in overnight with drying and subsidence with winds decoupling after midnight. Radiational cooling conditions become optimal by 12Z with the surface high progged to be centered over southwest Lower Michigan. A hard freeze is expected as temperatures will be below freezing for several hours.
- Some Storminess by Friday
The surface high moves east by Tuesday with southerly flow developing but the moisture return does not immediately result in precipitation as shortwave ridging is expected during the middle part of the week ahead of an upper low over the NW CONUS that eventually moves into Upper Plains and Canada by the end of the week. A cold front trailing a surface low moving into northern Minnesota before it occludes and moves into Canada will concentrate showers on Friday with the chance for thunderstorms during the afternoon.
AVIATION /00Z TAFS THROUGH 00Z TUESDAY/
Issued at 759 PM EDT Sun Apr 19 2026
Cumulus clouds are in the process of scattering out. The clouds drifting out of Wisconsin should continue to dissipate and should not affect the TAFs much at all. VFR conditions are expected the next 24 hours with either clear skies or FEW-SCT clouds around 5,000 feet. Winds are in the process of diminishing and within the next our or two should lose the gusts. Winds are expected to be light tonight out of the north.
MARINE
Issued at 245 PM EDT Sun Apr 19 2026
High pressure brings tranquil conditions on Lake Michigan tonight and Monday. The high will move east and southerly winds increase and waves will build Monday night. A SCA will be needed from late Monday through Tuesday.
GRR WATCHES/WARNINGS/ADVISORIES
MI...Freeze Warning from 11 PM this evening to 11 AM EDT Monday for MIZ050>052-056>059-064>067-071>074.
MARINE...None.
| Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
| HLNM4 - 9087031 - Holland, MI | 11 mi | 51 min | NNW 13G | |||||
| 45029 | 20 mi | 49 min | NNW 12G | 40°F | 47°F | 2 ft | 30.11 | 30°F |
| SVNM4 - South Haven, MI | 20 mi | 59 min | 41°F | |||||
| 45168 | 22 mi | 49 min | NW 5.8G | 40°F | 50°F | 2 ft | 30.21 | 28°F |
| MKGM4 - Muskegon, MI | 42 mi | 59 min | NNE 15G | 42°F | 30.16 | 26°F |
Wind History for Holland, MI
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Link to 1 hour of 5 minute data for KBIV
Terminal Aerodrome Forecast (TAF) for KBIV
Wind History Graph: BIV
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GEOS Local Image of GreatLakes
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Grand Rapids/Muskegon, MI,
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