Tuesday, January28, 2020
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Marine Weather and Tides
Holland, MI

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 8:01AMSunset 5:53PM Tuesday January 28, 2020 11:51 AM EST (16:51 UTC) Moonrise 10:18AMMoonset 9:40PM Illumination 14% Phase: Waxing Crescent; Moon at 4 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- 1105 Am Est Tue Jan 28 2020
Rest of today..Northwest winds 10 to 15 knots. Cloudy with a chance of snow showers and a slight chance of light freezing drizzle. Waves 1 to 3 feet.
Tonight..Northeast winds 5 to 15 knots. Partly cloudy with a slight chance of light freezing drizzle and snow showers. Waves 1 to 3 feet.
Wednesday..East winds 5 to 10 knots. Cloudy. Waves 1 foot or less.
Wednesday night..East winds 5 to 10 knots. Mostly cloudy. Waves less than 1 foot.
Thursday..East winds 5 to 10 knots veering south, then veering west late in the day. Mostly cloudy. Waves less than 1 foot.
Friday..Southwest winds 10 to 15 knots. Cloudy. Waves 2 to 4 feet.
Saturday..West winds 15 to 20 knots. Cloudy with a chance of rain and snow showers. Waves 2 to 4 feet.
LMZ846 Expires:202001282200;;650615 FZUS53 KGRR 281606 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 1105 AM EST Tue Jan 28 2020 For waters within five nautical miles of shore on Lake Michigan LMZ846-282200-


7 Day Forecast for Marine Location Near Holland, MI
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location: 42.77, -86.1     debug


Area Discussion for - Grand Rapids, MI
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FXUS63 KGRR 281115 AFDGRR

Area Forecast Discussion National Weather Service Grand Rapids MI 615 AM EST Tue Jan 28 2020

LATEST UPDATE . Aviation

SYNOPSIS. Issued at 330 AM EST Tue Jan 28 2020

- Some light precipitation expected today

- Snow in the forecast for Fri/Sat

- Temperatures stagnant much of this week, warming into weekend

DISCUSSION. (Today through next Monday) Issued at 330 AM EST Tue Jan 28 2020

-- Some light precipitation expected today --

We are thinking we will see some patchy freezing drizzle or flurries today, but we are not expecting any impact. Reflectivity remains rather anemic this morning with much of the echoes at or below 5 dbz. The flow weakens further today out of the northwest, so much of the precipitation (albeit light) will be towards the lakeshore. The models have been consistent that the DGZ remains unsaturated to the precipitation should trend more towards drizzle than flurries. We have had several sites tonight reporting snow however. Given marginal temperatures and likely residual salt on the roads any of the light precipitation should have little if any impact. The precipitation should shut down tonight as the flow goes northerly and eventually light off shore.

-- Snow in the forecast for Fri/Sat --

A weak shortwave moving east through the region Wednesday night will likely not produce much if any precipitation as it moves through the mean surface ridge.

Focus then shifts to the chances for snow towards weeks end and into the weekend. This will be the best chance at precipitation in the 7 day forecast. The main system is a clipper dropping southeast through the northwest upper flow over the Great Lakes. Precipitation looks to be enough to produce several inches of snow possibly over a 24-36 hour time frame. Not enough to produce major impacts, but enough to potentially slicken up the roads for a time. This will be the time frame to watch going forward this week as there is no other significant weather expected.

-- Temperatures stagnant much of this week, warming into weekend --

Temperatures at 850mb's hold fairly steady the remainder of the work week in the -5 to -10 C range through Saturday. This will keep readings in the 30s for the most part for highs. A change in the pattern occurs Sunday into Monday however with a plains ridge, rising heights and warming 850mb temps for us. We should see 40s as we head into Sun/Mon with the ECMWF MOS guidance showing a 51 high on Monday for Grand Rapids.

AVIATION. (For the 12Z TAFS through 12Z Wednesday morning) Issued at 614 AM EST Tue Jan 28 2020

Scattered snow showers will be mainly found along/west of US-131 and they will dimiminish this afternoon as ridging spreads over the southwest Lower MI. Otherwise, MVFR overcast is expected through the period.

MARINE. Issued at 330 AM EST Tue Jan 28 2020

Conditions on the big lake are expected to remain pretty tame for January standards. The wind BUFKIT overview at Muskegon is about as quiet as it gets for this time of year. Winds in the lowest 5,000ft are forecast to be at or below 10 knots through 700am on Friday. Light winds and low wave action are forecast the remainder of the week.

HYDROLOGY. Issued at 330 AM EST Tue Jan 28 2020

No change in river conditions overnight. We are still at high levels for this time of year with most river sites at the 90th percentile or higher for streamflow at the present time. Recent precipitation and snowmelt continue to work into the river system producing rises. Most rises are within bank, but we have 6 sites that have exceeded bankfull. We are not forecasting any to reach flood stage however. The sites out of their banks include: 1) The Maple at Maple Rapids 2) Sycamore Creek at Holt 3) The Looking Glass at Eagle 4) The Grand at Ionia 5) The Grand at Lowell 6) The Portage at Vicksburg. None of these sites are producing significant impacts with low land flooding being the main issue. The forecast calls for no or only light precipitation so steady or slowly falling conditions are what is expected the next several days.

GRR WATCHES/WARNINGS/ADVISORIES. MI . None. LM . None.

SYNOPSIS . Duke DISCUSSION . Duke AVIATION . 04 HYDROLOGY . Duke MARINE . Duke


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HLNM4 - 9087031 - Holland, MI 6 mi58 min WNW 6 G 11 32°F 34°F1017.6 hPa31°F
SVNM4 - South Haven, MI 27 mi42 min W 8.9 G 11 32°F
MKGM4 - Muskegon, MI 34 mi32 min NNW 6 G 7 32°F 1020 hPa25°F
SJOM4 - St. Joseph, MI 51 mi52 min WNW 5.1 G 8 33°F 1018.6 hPa (-0.4)

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Holland - West Michigan Regional Airport, MI1 mi59 minWNW 410.00 miOvercast33°F30°F89%1018.9 hPa

Link to 5 minute data for KBIV

Wind History from BIV (wind in knots)
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Last 24hrNW7NW8
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NW7NW6NW5NW4NW5NW4NW3NW3N3CalmW6NW5NW7NW4W4CalmNW4W4
1 day agoW8W8W9W8W9W7W5NW5W4NW5W3NW5NW3NW4NW4N4N4N5NW4N5N6NW5N7N8
2 days agoS6S7S6S5W6W6W6W7W4W4W6W6W7W8W8W7W8W9W9W9W9W9W8W8

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of GreatLakes    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Grand Rapids, MI (11,2,3,4)
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Ground Weather Radar Station Grand Rapids/Muskegon, MI
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.