Friday, June5, 2020
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Marine Weather and Tides
Beechwood, 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 6:05AMSunset 9:21PM Friday June 5, 2020 6:46 PM EDT (22:46 UTC) Moonrise 8:28PMMoonset 5:02AM Illumination 100% Phase: Full Moon; Moon at 15 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- 405 Pm Edt Fri Jun 5 2020
Through early evening..West winds around 10 knots. Partly Sunny with a chance of showers and Thunderstorms. Waves 1 foot or less.
Tonight..Northwest winds 5 to 10 knots. Mostly clear. Waves around 1 foot.
Saturday..Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet.
Saturday night..North winds 10 to 15 knots veering northeast toward daybreak. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.
Sunday..East winds 10 to 15 knots. Mostly Sunny. Waves 1 foot or less.
Sunday night..Southeast winds 10 to 15 knots. Mostly clear. Waves around 1 foot.
Monday..South winds 10 to 15 knots. Sunny. Waves 1 to 2 feet.
Tuesday..South winds around 15 knots. Partly Sunny. Waves 1 to 2 feet.
Wednesday..Southwest winds 15 to 25 knots. Mostly Sunny with a chance of rain showers. Waves 3 to 5 feet.
LMZ846 Expires:202006060800;;812377 FZUS53 KGRR 052005 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 405 PM EDT Fri Jun 5 2020 For waters within five nautical miles of shore on Lake Michigan LMZ846-060800-


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 051851 AFDGRR

Area Forecast Discussion National Weather Service Grand Rapids MI 251 PM EDT Fri Jun 5 2020

LATEST UPDATE . Synopsis/Discussion/Marine

SYNOPSIS. Issued at 251 PM EDT Fri Jun 5 2020

- Showers and Storms Late Afternoon/Early Evening

- Seasonal and Dry this Weekend, then Hot To Start The Workweek

- Extratropical System Nears the Great lakes Region Mid Week

DISCUSSION. (This evening through next Friday) Issued at 251 PM EDT Fri Jun 5 2020

- Showers and Storms Possible Late Afternoon/Early Evening -

A few isolated showers and storms are moving through the area this afternoon as a surface cold front continues to move through lower MI. Thanks to afternoon destabilization, MUCAPEs have already increased towards 1000-3000 J/kg in southwestern MI. Storm coverage still appears to be limited, as timing of the progression of the front/shortwave was a little too early to take advantage of afternoon destabilization. At this point the area with the greatest chance for stronger isolated storms, as confirmed by hi-res models and radar trends, appears to be southeast of a line from Lansing to Battle Creek. These showers and storms should diminish shortly after dark.

- Seasonal and Dry this Weekend, then Hot To Start The Workweek -

A pleasant weekend is in store as mid- and surface-level ridging moves in place. Temperatures will be seasonable, with highs in the 70s for the weekend. Warm air advection will turn on Sunday night into Monday as flow turns southerly ahead of the approach of the remnants of Tropical Storm Cristobal. This will lead to temperatures into the 80s Monday, and possibly touching into the 90s for Tuesday. Southerly flow will also usher in additional moisture bringing dewpoints into the upper 60s to near 70 Tuesday afternoon, so heat indices may need to be watched for Tuesday.

- Extratropical System Nears the Great lakes Region Mid Week -

Main focus for the upcoming week remains on the northward track of the remnants of Tropical Storm Cristobal. While the Euro continues to suggest a stronger low with more rainfall amounts through the Western Great Lakes, the GFS has shown a similar track but with a weaker system. Despite seeing somewhat consensus on storm tracks, we're not totally out of the doghouse for this rainfall as a few Euro ensemble members hint that the main swath of heavy rain may hit southwest Lower Michigan. As the low deepens and interacts with the northern trough Tuesday night into Wednesday, winds will build and become gusty. Tuesday night into Wednesday will be the primary time frame for strong winds and potentially heavy rain.

AVIATION. (For the 18Z TAFS through 18Z Saturday afternoon) Issued at 138 PM EDT Fri Jun 5 2020

Showers and thunderstorms have developed around KBTL and were headed toward KJXN. They should move into the KJXN area at around 300 pm. Will include VCTS further north for KLAN. The risk for a storm elsewhere is rather uncertain. We downplayed the VCTS wording and will continue to monitor the trends for the remainder of the afternoon/evening. Once we get on the backside of the front that is currently in WI . VFR conditions will prevail into Saturday.

MARINE. Issued at 251 PM EDT Fri Jun 5 2020

Wave heights will increase towards 2-4 feet Saturday afternoon and evening as northerly winds build towards 10-15 knots, gusting to 20- 25 knots. Winds will diminish again Sunday and into the remainder of the weekend allowing for wave heights to drop back to 1 foot or less.

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

SYNOPSIS . Thielke DISCUSSION . Thielke AVIATION . MJS MARINE . Thielke


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HLNM4 - 9087031 - Holland, MI 0 mi46 min S 4.1 G 4.1 67°F 65°F1010.6 hPa (+0.0)64°F
45029 10 mi26 min Calm G 1.9 65°F 60°F1 ft1011.1 hPa59°F
SVNM4 - South Haven, MI 26 mi36 min Calm G 1 79°F
45168 27 mi26 min W 1.9 G 3.9 72°F 70°F1 ft1010.7 hPa65°F
MKGM4 - Muskegon, MI 32 mi26 min NW 4.1 G 4.1 65°F 1010.7 hPa61°F
SJOM4 - St. Joseph, MI 49 mi46 min NNE 1 G 1.9 77°F 1011.2 hPa (-0.3)

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Holland - West Michigan Regional Airport, MI6 mi53 minW 610.00 miFair79°F64°F60%1010.9 hPa

Link to 5 minute data for KBIV

Wind History from BIV (wind in knots)
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Last 24hrW6W5W4NW4CalmCalmCalmCalmCalmCalmCalmE4CalmE3S3S5SW8W10
G20
SW5W8W13W10W9W6
1 day agoW6W6W6CalmCalmSE3CalmS3SW4S3S3S5SW9N3W5W8SW9SW7SW64W65W7W7
2 days agoSW15
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CalmW9W12W7NW9
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of    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 (18,4,5,8)
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Ground Weather Radar Station Grand Rapids/Muskegon, MI
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weather_mapweather_map weather_map

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Disclaimer:
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.