Tuesday, May11, 2021
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Marine Weather and Tides
Beechwood, MI

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:23AMSunset 8:57PM Tuesday May 11, 2021 10:45 PM EDT (02:45 UTC) Moonrise 5:32AMMoonset 8:00PM Illumination 0% Phase: New Moon; Moon at 0 days in cycle
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 Tue May 11 2021
Rest of tonight..North winds 5 to 15 knots. Clear. Waves 1 to 2 feet.
Wednesday..North winds around 5 knots backing northwest 10 to 15 knots. Sunny. Waves 1 foot or less.
Wednesday night..Northwest winds 5 to 10 knots. Mostly clear. Waves 1 foot or less.
Thursday..West winds 5 to 10 knots. Sunny. Waves less than 1 foot.
Thursday night..West winds around 5 knots backing south after midnight. Mostly clear. Waves less than 1 foot.
Friday..South winds 5 to 10 knots veering southwest. Sunny. Waves less than 1 foot.
Saturday..Southwest winds 5 to 10 knots. Partly Sunny. Waves 1 foot or less.
Sunday..Southeast winds 10 to 15 knots becoming around 15 knots. Partly Sunny with a chance of rain showers. Waves around 1 foot.
LMZ846 Expires:202105120900;;975576 FZUS53 KGRR 120205 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 1005 PM EDT Tue May 11 2021 For waters within five nautical miles of shore on Lake Michigan LMZ846-120900-


7 Day Forecast for Marine Location Near Beechwood, MI
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location: 42.77, -86.21     debug


Area Discussion for - Grand Rapids, MI
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FXUS63 KGRR 112323 AFDGRR

Area Forecast Discussion National Weather Service Grand Rapids MI 723 PM EDT Tue May 11 2021

LATEST UPDATE . Aviation

SYNOPSIS. Issued at 327 PM EDT Tue May 11 2021

-Two more frosty nights

-Dry through the weekend; warmer

-Chance for some rain next week

DISCUSSION. (This evening through next Tuesday) Issued at 327 PM EDT Tue May 11 2021

--Two more frosty nights--

Large surface high building in from the west and dry air mass with clear skies will bring ideal radiational cooling conditions conducive to frost the next couple nights. The current diurnal cumulus and isolated showers, related to the cold air aloft and strong May sun angle, will fade with sunset. Diurnal clouds likely reforming on Wednesday afternoon inland from Lk MI, but not as extensive as today (and no showers expected) due to subsidence.

Tonight will be the coldest of the next two and with many locations expected to dip below freezing again have issued a Freeze Warning areawide. Temps on Wednesday night should be a few degrees warmer but still cold enough for frost, although a freeze is possible again near and north of U.S. 10.

--Dry through the weekend; warmer--

The surface high becomes anchored over the Great Lakes Region, moving little through Saturday. Result will be mostly sunny/pleasant days from Thursday through Saturday with low humidity and highs in the mid to upper 60s. Chilly nighttime lows will still occur however as the dry air remains in place and wouldn't rule out more frost over northern sections of the CWFA. As the high slips away on Sunday and the return flow develops, we should warm to the lower 70s for highs along with more in the way of mid and high level cloudiness in developing WAA pattern.

--Chance for some rain next week--

Large QPF spread exists next week in ensemble guidance, but a better chance of receiving much needed rain does develop. Southerly flow off the gulf and northward moving warm front with PWATs rising to over one inch looks to provide a good opportunity for showers and perhaps some storms. Currently the best risk appears to be on Monday and Tuesday, after which time the position of the frontal boundary becomes more uncertain.

AVIATION. (For the 00Z TAFS through 00Z Wednesday evening) Issued at 723 PM EDT Tue May 11 2021

VFR conditions will continue through Wednesday afternoon. North to northwest winds around 10 knots will diminish to around 5 knots this evening.

MARINE. Issued at 327 PM EDT Tue May 11 2021

Cold north-northwest winds have really cranked up this afternoon along the lakeshore and are sustained around 20 kts between roughly Holland and Whitehall. This is flirting with advisory criteria but since it will be diminishing soon late this afternoon and early evening will not issue a headline. However conditions will remain choppy through sunset with wave heights around 3 ft.

Big surface high will settle over the Great Lakes Region from Wednesday into the weekend, leading to a lengthy period of relatively tranquil conditions on Lake Michigan. That said, typical springtime diurnal lake breeze development will result in periods of stronger onshore flow during the afternoon and early evening hours.

GRR WATCHES/WARNINGS/ADVISORIES. MI . Freeze Warning from midnight tonight to 8 AM EDT Wednesday for MIZ037>040-043>046-050>052-056>059-064>067-071>074.

LM . None.

SYNOPSIS . Meade DISCUSSION . Meade AVIATION . Ostuno MARINE . Meade


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HLNM4 - 9087031 - Holland, MI 0 mi57 min NNW 12 G 14 52°F1027.4 hPa
45029 10 mi35 min NW 9.7 G 12 43°F 42°F2 ft1029.3 hPa35°F
SVNM4 - South Haven, MI 26 mi45 min 11 G 12 45°F
45168 27 mi35 min NW 9.7 G 14 45°F 44°F2 ft1029.6 hPa35°F
45161 30 mi45 min NNW 9.7 G 12 43°F 42°F1 ft1028.4 hPa (+1.7)
MKGM4 - Muskegon, MI 32 mi35 min N 13 G 14 44°F 1029.7 hPa37°F
SJOM4 - St. Joseph, MI 49 mi45 min ENE 2.9 G 6 45°F 1029.1 hPa (+1.7)

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Holland - West Michigan Regional Airport, MI6 mi52 minNNW 410.00 miFair45°F30°F56%1028.7 hPa

Link to 5 minute data for KBIV

Wind History from BIV (wind in knots)
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Last 24hrNW4NW5N5N5N5N5N3N4CalmNW3NW7NW8
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1 day agoN3N4N3N5N443N3N3NE4NE7N5N7N10
G17
W7NW9W13
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W12NW13
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2 days agoCalmCalmCalmCalmW4CalmCalmCalmE3NE3NE4E6E7E9E6CalmNE10
G16
NE7
G15
5N10
G19
N9NW8
G19
N6N4

Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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