Thursday, July2, 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 6:09AMSunset 9:28PM Thursday July 2, 2020 6:23 PM EDT (22:23 UTC) Moonrise 6:08PMMoonset 2:56AM Illumination 92% Phase: Waxing Gibbous; Moon at 12 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 Thu Jul 2 2020
Through early evening..Northwest winds around 15 knots. Sunny. Waves around 1 foot.
Tonight..North winds 5 to 15 knots. Partly cloudy. Waves around 1 foot.
Friday..Northwest winds 5 to 15 knots increasing to 15 to 20 knots late in the day. Mostly Sunny. Waves 1 to 3 feet.
Friday night..North winds 10 to 15 knots veering northeast 5 to 10 knots toward daybreak. Mostly clear. Waves 1 to 3 feet.
Independence day..Northeast winds 5 to 15 knots. Sunny. Waves 1 foot or less.
Saturday night..North winds 5 to 15 knots veering east toward daybreak. Mostly clear. Waves around 1 foot.
Sunday..South winds 5 to 10 knots veering west. Sunny. Waves less than 1 foot.
Monday..South winds 5 to 10 knots veering southwest 10 to 15 knots. Sunny. Waves 1 foot or less.
Tuesday..Southwest winds 10 to 15 knots. Sunny. Waves 1 to 2 feet.
LMZ846 Expires:202007030800;;212779 FZUS53 KGRR 022006 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 405 PM EDT Thu Jul 2 2020 For waters within five nautical miles of shore on Lake Michigan LMZ846-030800-


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 021849 AFDGRR

Area Forecast Discussion National Weather Service Grand Rapids MI 249 PM EDT Thu Jul 2 2020

LATEST UPDATE . Synopsis/Discussion/Marine

SYNOPSIS. Issued at 227 PM EDT Thu Jul 2 2020

- Hot conditions will persist through most of next week

- Continued mostly dry pattern expected as well

DISCUSSION. (This evening through next Thursday) Issued at 227 PM EDT Thu Jul 2 2020

- Hot conditions will persist through most of next week

We are running generally 3 to 5 degrees warmer today as compared to yesterday at this time. Highs Wednesday were generally 85 to 90. Thus it looks like most locations will top out 90 degrees or higher today Looking at the latest model runs. the low level temperature fields dont change much and support many locations hitting the 90 degree mark for the next week. As far as the Heat Index values go . they are expected to max out in the 90 to 95 degree range through most of the period. Surface dewpoints are shown to rise for the middle of next week . so we may start seeing Heat Index values making a run toward advisory criteria then.

- Continued mostly dry pattern expected as well

The atmosphere is progged to remain relatively dry into early next week Also. the period is forecasted to feature subsidence in the mid levels with an inversion. There will be some lake breezes around . but at this time . it does not look like we will be able to trigger storms in the CWA.

Tuesday into Wednesday a mid level wave flattens the ridge over the Great Lakes Region. These height falls coupled with a possible bump in moisture . could support some thunderstorms. This is when we will feature the highest POPs.

AVIATION. (For the 18Z TAFS through 18Z Friday afternoon) Issued at 1252 PM EDT Thu Jul 2 2020

Afternoon VFR cu will dissipate with sunset. Clear skies and light wind are expected overnight and Friday morning.

MARINE. Issued at 227 PM EDT Thu Jul 2 2020

With the region remaining under the influence of a ridge . generally low wind speeds are expected through the period. Overall the waves will remain under 2 feet and a foot or less for much of the period. Thus no marine headlines are anticipated for the period.

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

SYNOPSIS . MJS DISCUSSION . MJS AVIATION . 04 MARINE . MJS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HLNM4 - 9087031 - Holland, MI 6 mi54 min NNW 11 G 12 75°F 73°F1016.6 hPa68°F
45029 13 mi24 min NW 9.7 G 12 75°F 74°F1 ft1016.6 hPa (-0.5)64°F
SVNM4 - South Haven, MI 27 mi44 min NNW 7 G 8 77°F
45168 29 mi24 min NNW 7.8 G 9.7 75°F 76°F1 ft1016.8 hPa (-0.3)65°F
MKGM4 - Muskegon, MI 34 mi34 min N 12 G 13 78°F 1016.4 hPa66°F
SJOM4 - St. Joseph, MI 51 mi84 min N 4.1 G 6 78°F 1018.3 hPa (-0.3)

Wind History for Holland, MI
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Holland - West Michigan Regional Airport, MI1 mi31 minNW 1110.00 miFair85°F60°F43%1016.7 hPa

Link to 5 minute data for KBIV

Wind History from BIV (wind in knots)
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Last 24hrE6E4CalmCalmCalmCalmN3CalmCalmCalmCalmCalmCalmCalmCalmW434--NW7NW7NW7NW6NW11
1 day agoE10E7E4E3E4E3E5E5E5E5E3E4E3E4E6E7SE7SE10SE9SE9SE8E7E3E6
2 days agoSE4E4NW11
G17
N3CalmNE3E7S6SE6SE6SE4E5E4E4SE8S5SE10SE8E7SE10SE7E7E12
G17
E10

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 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 (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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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.