Friday, April16, 2021
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Marine Weather and Tides
Leland, MI

Version 3.4
NOTICE
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 6:52AMSunset 8:25PM Friday April 16, 2021 8:02 AM EDT (12:02 UTC) Moonrise 8:19AMMoonset 12:00AM Illumination 20% Phase: Waxing Crescent; Moon at 4 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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LMZ344 Sleeping Bear Point To Grand Traverse Light Mi- 311 Am Edt Fri Apr 16 2021
.small craft advisory in effect until 3 pm edt this afternoon...
Today..Northwest wind 10 to 15 knots with gusts to around 25 knots. Mostly cloudy. Waves 2 to 4 feet subsiding to 2 to 3 feet in the afternoon.
Tonight..North wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy. Waves 2 to 3 feet.
Saturday..North wind 5 to 10 knots. Partly Sunny. Waves 2 feet or less.
Saturday night..North wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. SEe the open lakes forecast for days 3 through 5.
LMZ344 Expires:202104161515;;627656 FZUS53 KAPX 160711 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 311 AM EDT Fri Apr 16 2021 For waters within five nautical miles of shore on Lakes Huron... Michigan and Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LMZ344-161515-


7 Day Forecast for Marine Location Near Leland, MI
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location: 45.02, -85.76     debug


Area Discussion for - Gaylord, MI
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FXUS63 KAPX 160937 AFDAPX

Area Forecast Discussion National Weather Service Gaylord MI 537 AM EDT Fri Apr 16 2021

NEAR TERM. (Today through Tonight) Issued at 303 AM EDT Fri Apr 16 2021

Impactful weather: None.

Pattern synopsis and forecast:

Deep low pressure was over the NE states early this morning, while another upper trough was seen back across the Rockies/lee of the Rockies. Nrn Michigan was between these two features, with a cool low level moisture-laden BL, resulting in fairly widespread clouds. Patchy/areas of drizzle/mist continue, aided by orographic lift into the higher terrain. This is really the only forcing out there, as upper jet dynamics, theta-e advection and DPVA all resided with the the upper trough/deep low pressure. There was some deeper moisture wrapping around the backside of the NE states deep low pressure with a batch of precipitation rotating toward Lake Huron.

The deep upper low will slowly work off into the Atlantic today and tonight, and a tighter pressure gradient settles into the region, bringing some lower end gustiness in NW winds today. The Rockies upper trough will work into the central Plains, but the system forcing will all remain SW. The batch of precipitation moving toward Lake Huron is not expected to make it into nrn Michigan, but the patchy/areas of drizzle/mist are likely to continue into the daylight hours.

High temperatures will be in the middle and upper 40s for eastern upper and much of NW lower, with the lower half of the 50s in NE lower, aided by downsloping winds. Lows tonight will be 30F to 35F.

SHORT TERM. (Saturday through Sunday) Issued at 303 AM EDT Fri Apr 16 2021

. Slowly Moderating Temperatures .

High impact weather: None is expected.

Primary forecast concerns/challenges: Temperatures and cloud cover.

Fairly uneventful weather is expected over the weekend with slowly warming temperatures. However, there are a few things to keep an eye on for Saturday with the nearly cutoff upper low over New England inching off to the northeast, another trough moving by to our south and yet another trough dropping down from the north. These three factors will likely lead to a decent amount of cloud cover across northern Michigan during the day Saturday. Model soundings indicate that moisture will be trapped below a fairly strong but shallow 3000 foot surface based inversion. A nearly zonal flow aloft then develops heading into Sunday which should lead to less clouds. Temperatures are expected to remain a few degrees below normal Saturday (lowered blended guidance numbers) then approach normal by Sunday afternoon.

LONG TERM. (Sunday night through Thursday) Issued at 303 AM EDT Fri Apr 16 2021

. Turning Chilly Again .

High impact weather potential: None is expected.

A northern stream trough and an associated surface cold front will move into the region Monday likely resulting in a round of rain showers. Extended models remain bullish on another shot of unseasonably chilly air which follows the front and holds through midweek. Upper troughing and the cold air aloft may produce some rain or even snow showers from Monday night into Tuesday, possibly lingering into Wednesday. Highs Monday at or slightly above normal then forecast highs will be several degrees below normal through midweek. Milder readings look to return for later in the week.

AVIATION. (For the 12Z TAFS through 12Z Saturday morning) Issued at 536 AM EDT Fri Apr 16 2021

Deep low pressure will spin off into the Atlantic today, while a tighter pressure gradient slides into the region today, which is expected to bring lower end gusty NW winds. Deep cyclonic flow combined with ample low level moisture will continue to result in MVFR/IFR CIGS for the entire TAF period, with some late afternoon and evening clearing for the NW lower airports.

MARINE. Issued at 303 AM EDT Fri Apr 16 2021

Deep low pressure will spin off into the Atlantic today, while a tighter pressure gradient and slight overlake instability lead to numerous advisories in the nearshore waters today into this evening. Higher pressure and lighter winds will then gradually fill in over the weekend. No precipitation expected.

APX WATCHES/WARNINGS/ADVISORIES. MI . NONE. LH . SMALL CRAFT ADVISORY until 8 PM EDT this evening for LHZ347-348. LM . SMALL CRAFT ADVISORY until 3 PM EDT this afternoon for LMZ344>346. LS . SMALL CRAFT ADVISORY until 8 PM EDT this evening for LSZ321-322.

NEAR TERM . SMD SHORT TERM . AS LONG TERM . AS AVIATION . SMD MARINE . SMD


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GTLM4 - Grand Traverse Light, MI 17 mi23 min N 9.9 G 13 39°F 1015.2 hPa
MEEM4 - Manistee Harbor, MI 61 mi23 min N 14 G 16 38°F 1016.3 hPa
FPTM4 - Fairport, MI 63 mi23 min N 7 G 12 33°F

Wind History for Port Inland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cherry Capital Airport, MI22 mi70 minNNW 8 G 174.00 miLight Rain Fog/Mist36°F34°F93%1015 hPa

Link to 5 minute data for KTVC

Wind History from TVC (wind in knots)
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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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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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