Tuesday, June15, 2021
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Marine Weather and Tides
Holland, MI

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:03AMSunset 9:26PM Tuesday June 15, 2021 12:18 AM EDT (04:18 UTC) Moonrise 9:47AMMoonset 12:00AM Illumination 26% Phase: Waxing Crescent; Moon at 5 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 Mon Jun 14 2021
Rest of tonight..North winds 5 to 15 knots. Mostly clear. Waves 1 to 3 feet.
Tuesday..Northwest winds 10 to 15 knots increasing to 15 to 25 knots late in the day. Sunny. Waves around 1 foot building to 3 to 5 feet.
Tuesday night..North winds 10 to 20 knots. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 3 feet after midnight.
Wednesday..Northwest winds 10 to 15 knots becoming around 15 knots late in the day. Sunny. Waves 1 to 2 feet.
Wednesday night..Northwest winds 10 to 15 knots veering northeast 5 to 10 knots late at night, then veering south toward daybreak. Mostly clear. Waves 1 to 2 feet.
Thursday..South winds 10 to 15 knots. Mostly Sunny. Waves 1 to 2 feet.
Friday..Southwest winds 10 to 20 knots veering west late in the day. Partly Sunny with a chance of rain showers. Waves 3 to 5 feet.
Saturday..Northwest winds around 15 knots. Sunny. Waves 1 to 3 feet.
LMZ846 Expires:202106150900;;282085 FZUS53 KGRR 150206 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 1005 PM EDT Mon Jun 14 2021 For waters within five nautical miles of shore on Lake Michigan LMZ846-150900-


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 142329 AFDGRR

Area Forecast Discussion National Weather Service Grand Rapids MI 729 PM EDT Mon Jun 14 2021

LATEST UPDATE . Aviation

SYNOPSIS. Issued at 303 PM EDT Mon Jun 14 2021

- Small risk for an isolated thunderstorm this afternoon/eve

- Higher chance for thunderstorms Thursday night into Friday

- Below normal precipitation into Thursday

UPDATE. Issued at 451 PM EDT Mon Jun 14 2021

I have increased the threat of rain to between 40 and 60 percent over eastern Kent, Newaygo and Barry Counties due to a line of heavy rain showers. Radar undated rainfall is near a 1/4" in 15 minutes from some of these cells. Expect brief heavy rainfall if your in this area. The storms will diminish as the sun sets. Most of the area east of US-131 will see these showers this evening.

DISCUSSION. (This evening through next Monday) Issued at 303 PM EDT Mon Jun 14 2021

- Small risk for an isolated thunderstorm this afternoon/eve

ML CAPE values were only around 100 to 500 j/kg at this time . so not a lot of instability for any showers or storms to work with. Deep layer shear is 20 knots or less Thus. any coverage of showers or thunderstorms is predicted to be isolated at best. Inland locations such as Lansing and Mount Pleasant currently have the most instability.

- Higher chance for thunderstorms Thursday night into Friday

Models are advertising a stronger mid level wave dropping east southeast through the northern Great Lakes Region Thursday night into Friday. A low level jet does form Thursday night and this is when the instability increases. However the deep layer does not increase til later at night or during the day on Friday. Given the better dynamics . it will not take much instability to organize the convection and keep it going regardless of the time of the day. We will feature likely or better POPs for part of this period to account for the passage of this system.

- Below normal precipitation into Thursday

Overall though the pattern remains dry for the next couple of days An are of high pressure drops out of Ontario. down into Lower MI. Subsidence is seen in the bufkit overviews for much of the period which will act to limit the precipitation risk. Daytime highs will be fairly close to normal for this time of the year.

AVIATION. (For the 00Z TAFS through 00Z Tuesday evening) Issued at 727 PM EDT Mon Jun 14 2021

Showers are diminishing across the region and skies will become mostly clear tonight. Another weak area of low pressure will move south across the state Tuesday and it's possible a shower or two will develop. However chances are minimal and rain was left out of the TAFs.

MARINE. Issued at 655 PM EDT Mon Jun 14 2021

The latest marine observations show wave heights falling, with current wave heights no higher then 2 1/2 feet. Wind gusts are generally under 20 knots. Our beach web cams show waves in the order of 1 to 2 feet. I see no reason to believe wind or waves will increase tonight so I have expunged the marine headlines including the Beach Hazard Statement.

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

UPDATE . WDM SYNOPSIS . MJS DISCUSSION . MJS AVIATION . 04 MARINE . WDM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HLNM4 - 9087031 - Holland, MI 6 mi48 min N 9.9 G 11 60°F 61°F1015.5 hPa57°F
45029 13 mi28 min NNW 7.8 G 9.7 59°F 56°F1 ft1016.4 hPa55°F
SVNM4 - South Haven, MI 27 mi38 min 6 G 6 60°F
45168 29 mi18 min NNW 3.9 G 5.8 60°F 59°F2 ft1016.6 hPa (+1.4)55°F
45161 32 mi38 min NNW 7.8 G 9.7 58°F 55°F1 ft1016.5 hPa
MKGM4 - Muskegon, MI 34 mi28 min N 8.9 G 9.9 60°F 1016.6 hPa55°F
SJOM4 - St. Joseph, MI 51 mi78 min N 6 G 9.9 65°F 1017.3 hPa (+0.7)

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Holland - West Michigan Regional Airport, MI1 mi25 minNW 410.00 miFair62°F52°F70%1016.3 hPa

Link to 5 minute data for KBIV

Wind History from BIV (wind in knots)
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Last 24hrSE4N3NE35E9
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1 day agoN3NW5NW5N3N4N3Calm3N44NW7W10
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2 days agoNE3----------E4--E6E64S3--3NW10NW7NW8NW7W6NW8N5NW6N5N4

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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