Tuesday, July27, 2021
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Marine Weather and Tides
Lake Michigan Beach, 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 6:32AMSunset 9:09PM Tuesday July 27, 2021 1:31 AM EDT (05:31 UTC) Moonrise 10:39PMMoonset 9:20AM Illumination 92% Phase: Waning Gibbous; Moon at 18 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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LMZ844 St Joseph To South Haven Mi- 1005 Pm Edt Mon Jul 26 2021
Rest of tonight..South winds 5 to 15 knots veering southwest toward daybreak. Mostly clear. Waves around 1 foot.
Tuesday..Southwest winds 10 to 15 knots. Mostly Sunny. Waves around 1 foot.
Tuesday night..Southwest winds around 10 knots. Mostly clear. Waves 1 foot or less.
Wednesday..Southwest winds around 10 knots veering west. Mostly Sunny. Waves 1 foot or less.
Wednesday night..Southwest winds 10 to 15 knots. Mostly cloudy with a chance of showers and Thunderstorms. Waves 1 to 3 feet.
Thursday..West winds around 15 knots veering northwest. Partly Sunny with a chance of rain showers. Waves 1 to 3 feet building to 3 to 5 feet.
Friday..North winds 10 to 20 knots. Sunny. Waves 2 to 3 feet.
Saturday..Southwest winds 10 to 15 knots becoming around 15 knots. Mostly Sunny. Waves 1 to 2 feet.
LMZ844 Expires:202107270900;;512628 FZUS53 KGRR 270207 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 1005 PM EDT Mon Jul 26 2021 For waters within five nautical miles of shore on Lake Michigan LMZ844-270900-


7 Day Forecast for Marine Location Near Lake Michigan Beach, MI
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location: 42.22, -86.48     debug


Area Discussion for - Northern Indiana, IN
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FXUS63 KIWX 270521 AFDIWX

Area Forecast Discussion National Weather Service Northern Indiana 121 AM EDT Tue Jul 27 2021

SYNOPSIS. Issued at 652 PM EDT Mon Jul 26 2021

Warm and dry conditions will persist through Wednesday with highs near 90. The next chance of storms is Wednesday night into Thursday with cooler and drier weather to end the week.

SHORT TERM. (This Evening through Tuesday night) Issued at 211 PM EDT Mon Jul 26 2021

Weak surface high pressure centered over the mid-MS valley will drift slowly eastward over the area tonight. Reasonably dry profile coupled with strong surface based inversion will allow temps to drop down into the low-mid 60s. Further north, a convective complex is expected to initiate over the upper MS valley and track E/SE along surface frontal boundary/baroclinic zone into the great lakes region tonight. Boundary sags southward into southern Lower Michigan Tuesday afternoon but all HREF members showing convective activity waning from late morning into the early afternoon so anticipate keeping dry forecast for now. Other than some high debris clouds from earlier convection expect plenty of sun and little change in airmass so highs once again near 90F and lows Tuesday night a few degrees warmer 65-70F.

LONG TERM. (Wednesday through Monday) Issued at 211 PM EDT Mon Jul 26 2021

Forecast period begins with frontal boundary over southern lower Michigan lifting back north as a warm front on Wednesday. This will have our area in the warm sector with instability increasing during the afternoon as CAPE expected to exceed 3000J/kg. Despite this, lack of any large scale forcing/focus to initiate convection will keep this period dry and highs once again near 90F. Frontal wave moving into the upper MS valley will combine with favorable mid- upper level flow to initiate convection Wednesday afternoon and then organize into MCS as it continues into the western Great lakes Wednesday evening. Precip chances will increase after midnight Wednesday night as ongoing/decaying MCS tracks E/SE in northwest flow aloft. While frontal wave remains detached well to the north, trailing cold front will approach the area Thursday morning and keep chances for showers and storms as it moves across the area. Timing of both nocturnal MCS and subsequent cold front passage will be key in any potential storms becoming severe. SREF showing 30-40kts of effective shear which would support organized storms provided timing will allow for sufficient instability. High pressure builds in behind cold front passage and brings with it seasonably cooler and less humid airmass with highs Friday and Saturday in the mid-upper 70s and lows mid 50s Friday night to low 60s Saturday night. Amplified northwest flow will keep temperatures comfortably just below normal remainder of the extended with a weak system dropping through on Sunday bringing small chance for precip.

AVIATION. (For the 06Z TAFS through 06Z Tuesday Night) Issued at 118 AM EDT Tue Jul 27 2021

VFR Conditions are expected at the TAF sites through Tuesday evening, with light southwest winds and mostly clear skies. Low- level moisture will be increasing, but BR is not expected tonight at the terminals given large dewpoint depressions. Mid-level clouds may develop Tuesday evening, in advance of the next disturbance that is set to arrive Wednesday night.

IWX WATCHES/WARNINGS/ADVISORIES. IN . NONE. MI . NONE. OH . NONE. LM . NONE.

SYNOPSIS . AGD SHORT TERM . JAL LONG TERM . JAL AVIATION . Cobb

Visit us at www.weather.gov/iwx

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SJOM4 - St. Joseph, MI 8 mi31 min SSW 6 G 9.9 78°F 1017.9 hPa (+1.6)
45168 15 mi21 min S 7.8 G 9.7 76°F 76°F1 ft1016.3 hPa66°F
SVNM4 - South Haven, MI 16 mi31 min 8 G 8.9 77°F
45026 - St. Joseph, MI 18 mi21 min S 5.8 G 7.8 76°F 76°F1016.6 hPa67°F
45170 41 mi21 min SW 5.8 G 7.8 76°F 69°F
HLNM4 - 9087031 - Holland, MI 41 mi121 min S 8 G 8.9 77°F 76°F1015.6 hPa65°F
MCYI3 - Michigan City, IN 41 mi31 min S 8 G 8 77°F 1016.2 hPa (+1.2)61°F
45007 - S MICHIGAN 43NM East Southeast of Milwaukee, WI 43 mi21 min SSW 7.8 G 9.7 75°F 72°F1016.3 hPa70°F
45029 48 mi31 min S 7.8 G 9.7 76°F 75°F1 ft1015.5 hPa69°F

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Michigan Regional Airport, MI6 mi38 minE 310.00 miFair66°F61°F84%1016.5 hPa
South Haven, South Haven Area Regional Airport, MI15 mi36 minN 010.00 miFair65°F63°F94%1016.9 hPa

Link to 5 minute data for KBEH

Wind History from BEH (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmN34NW5N5NW4NW5W7W7W5NW5NW3CalmE3CalmCalmE3
1 day agoCalmCalmCalmCalmCalmCalmCalmW4NW3W3W7W8W6W7W5NW4CalmNW3CalmCalmCalmCalmCalmE3
2 days agoS3SW6SW6SW5SW4SW6SW6SW10
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W13W10W4CalmCalmCalm

Tide / Current Tables for
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Weather Map
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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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