Monday, September20, 2021
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Marine Weather and Tides
Haslett, 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 7:21AMSunset 7:39PM Monday September 20, 2021 1:13 AM EDT (05:13 UTC) Moonrise 6:57PMMoonset 5:44AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 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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LCZ423 /o.exp.kdtx.ma.w.0084.000000t0000z-210915t0115z/ 910 Pm Edt Tue Sep 14 2021
.the special marine warning will expire at 915 pm edt... The affected areas were... Detroit river... Michigan waters of lake erie... The Thunderstorms have weakened and no longer pose a significant threat to boaters. A severe Thunderstorm watch remains in effect until 1100 pm edt for southeastern michigan...the adjacent waters of lake erie...and the adjacent waters of lake st. Clair. Lat...lon 4173 8350 4180 8350 4195 8337 4197 8328 4225 8318 4233 8312 4236 8304 4237 8292 4236 8293 4234 8296 4232 8306 4224 8313 4212 8312 4203 8315 4196 8311 4172 8341 time...mot...loc 0110z 269deg 30kt 4235 8277 4201 8296 4172 8352
LCZ423 Expires:202109150120;;632078 FZUS73 KDTX 150110 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 910 PM EDT Tue Sep 14 2021 LCZ423-LEZ444-150120-


7 Day Forecast for Marine Location Near Haslett, MI
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location: 42.74, -84.4     debug


Area Discussion for - Grand Rapids, MI
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FXUS63 KGRR 192338 AFDGRR

Area Forecast Discussion National Weather Service Grand Rapids MI 738 PM EDT Sun Sep 19 2021

LATEST UPDATE . Aviation

SYNOPSIS. Issued at 328 PM EDT Sun Sep 19 2021

- Upper Troughing Moves East with Heavy Rain Tuesday and showers lingering into Thursday

DISCUSSION. (This evening through next Sunday) Issued at 328 PM EDT Sun Sep 19 2021

There is better forecast confidence today in the details as models are converging towards the sharp trough axis cutting off into an upper low and troughing persisting across the Great Lakes region through the end of the week.

We have been watching Gulf moisture that is the remnants of a tropical cyclone slowly moving northward the past couple days. A line of showers and thunderstorms across southern Indiana this afternoon mark the leading edge and the CAMs forecast showers to reach southern Lower Michigan Monday morning and spread north across the forecast area by afternoon. Coverage is expected to be less than currently seen, but precipitable water values spike up to over 1.5 inches by late afternoon and heavy rainfall rates are possible with any deep updrafts. SHear profiles are weak and severe weather threat is low.

Surface cold front plods across the forecast area from west to east on Thursday morning and afternoon. We expect basin average rainfall of around an inch with some 2 inch amounts possible across the southeast forecast area. Rivers should be able to handle this as they are near their lowest levels of the year.

Upper low lingers on Thursday with scattered showers and temperatures stuck in the 50s as much cooler air is drown south and clouds and showers prevent much in the way of warming. The upper low departs by the weekend with generally fair but cool weather through Sunday.

AVIATION. (For the 00Z TAFS through 00Z Monday evening) Issued at 738 PM EDT Sun Sep 19 2021

High confidence for VFR conditions at all terminals through 06Z tonight. The only change of note compared to the 18Z TAF issuance is that some detail was added regarding the expected transition to MVFR and then IFR ceilings during the day Monday. Precipitation on Monday will start affecting terminals later in the day. Rain that occurs could be accompanied by significant drops in visibility, especially since wind gusts well over 20 knots are expected too.

MARINE. Issued at 328 PM EDT Sun Sep 19 2021

South winds ramp up on Monday with gales expected north of Holland by Monday evening, so we will have a Gale Warning for that area into Tuesday morning. There could be a lull Tuesday afternoon but winds and waves may be hazardous to small craft through Thursday.

GRR WATCHES/WARNINGS/ADVISORIES. MI . Beach Hazards Statement from Monday afternoon through Thursday morning for MIZ037-043-050-056-064-071.

LM . Gale Warning from 8 PM Monday to 8 AM EDT Tuesday for LMZ846>849.

Small Craft Advisory from noon Monday to 8 AM EDT Tuesday for LMZ844-845.



SYNOPSIS . Ostuno DISCUSSION . Ostuno AVIATION . TJT MARINE . Ostuno


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SBLM4 - Saginaw Bay Light #1, MI 82 mi73 min SSE 8.9 G 9.9 69°F 1018.6 hPa (+0.0)
CLSM4 - St. Clair Shores, MI 83 mi73 min ESE 8 G 11 69°F 1021 hPa (+0.0)
THRO1 - 9063085 - Toledo, OH 87 mi55 min E 6 G 8 73°F 1018.6 hPa67°F

Wind History for Toledo, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Capital Region International Airport, MI11 mi20 minSE 810.00 miFair68°F54°F61%1018.9 hPa
Mason, Mason Jewett Field Airport, MI12 mi18 minSE 510.00 miFair65°F55°F71%1019.6 hPa
Owosso, Owosso Community Airport, MI22 mi18 minSE 510.00 miFair65°F53°F65%1019.3 hPa
Howell, Livingston County Airport, MI24 mi18 minSE 710.00 miFair64°F55°F72%1020 hPa

Link to 5 minute data for KLAN

Wind History from LAN (wind in knots)
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Last 24hrE3E3E3CalmNE4CalmE3E4SE6SE5SE6SE7SE84SE6SE5SE8SE7SE8SE7SE9SE10SE9SE8
1 day agoCalmN3N7NE12NE13
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2 days agoE3SE4CalmCalmSE3S4S4S5S8SW9S10SW8SW12
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W11W7W3CalmCalmCalmCalmCalm

Tide / Current Tables for
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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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