Tuesday, October19, 2021
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Marine Weather and Tides
Boyne City, 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 7:59AMSunset 6:44PM Tuesday October 19, 2021 5:29 PM EDT (21:29 UTC) Moonrise 5:45PMMoonset 5:47AM Illumination 98% Phase: Waxing Gibbous; Moon at 14 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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LMZ342 Norwood Mi To 5nm West Of Mackinac Bridge Including Little Traverse Bay- 306 Pm Edt Tue Oct 19 2021
Tonight..West wind 10 to 15 knots with gusts to around 20 knots. Mostly clear. Waves 2 to 4 feet.
Wednesday..North wind 5 to 10 knots. Rain likely. Waves 2 to 3 feet.
Wednesday night..Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain. Waves 2 feet or less.
Thursday..North wind 15 to 20 knots with gusts to around 25 knots. Chance of rain. Waves 3 to 5 feet. SEe the open lakes forecast for days 3 through 5.
LMZ342 Expires:202110200315;;940630 FZUS53 KAPX 191906 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 306 PM EDT Tue Oct 19 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. LMZ342-200315-


7 Day Forecast for Marine Location Near Boyne City city, MI
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location: 45.21, -85.02     debug


Area Discussion for - Gaylord, MI
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FXUS63 KAPX 191917 AFDAPX

Area Forecast Discussion National Weather Service Gaylord MI 317 PM EDT Tue Oct 19 2021

NEAR TERM. (Through Tonight) Issued at 306 PM EDT Tue Oct 19 2021

. Not as Chilly Tonight .

High pressure continues to depart to our southeast tonight continuing the quiet stretch of weather for one more night. Light southwest winds are expected to keep temperatures from dropping off too much tonight with forecast lows ranging from the milder mid 40s to the low 50s. Meanwhile, mid and high level clouds will be on the increase in advance of a weather system which will affect northern Michigan later Wednesday on into Thursday.

SHORT TERM. (Wednesday through Friday) Issued at 306 PM EDT Tue Oct 19 2021

High Impact Weather Potential . Minimal.

Pattern Synopsis/Forecast . As a developing system to our west approaches the forecast area and continues to deepen slightly, deeper moisture will advect on strong southerly flow with the warm front draped across central lower Michigan, returning shower/thunder chances to the area. The low continues to deepen slightly more as it crosses through lower Michigan Thursday. Winds then veer to north- northwesterly behind the departing system Thursday, ushering in cooler temperatures with gusts of 20-25mph. Eastern upper may see some lake effect begin at this time as cooler 850mb temperatures will descend there first, along with wrap around moisture, with 850mb temperatures of -2 to -5C. Northern lower will see this begin later in the evening to the overnight hours into the next forecast period as this colder air pushes farther south. Partly to mostly cloudy skies and chances of rain and rain/snow during the overnight hours will last throughout the forecast period. One concern with lake effect is the possibly of wind shifts. The latest model runs actually have more of a northerly flow which would greatly reduce the area who would see precipitation Thursday night through Friday. Will have to keep an eye on the wind directions and make any necessary changes as they come up.

Temperatures Wednesday will vary greatly from north to south, with eastern upper only reaching into the upper 50s (but still above normal) and northeast lower into the mid to upper 60s. Thursday will be cooler yet again as the colder air filters in on the north- northwesterly flow, reaching into the 50s throughout the entire forecast area. Friday will cool even more and struggle to even get to 50 degrees as the colder air continues to filter in under cloud cover.

LONG TERM. (Friday night through Tuesday) Issued at 306 PM EDT Tue Oct 19 2021

High Impact Weather Potential . minimal.

Pattern Synopsis/Forecast . As this departing system from the previous forecast period continues off to the northeast 850mb temperatures will continue to hover around -2 to -5C throughout the entire forecast area with winds north-northwesterly to northwesterly producing some lake effect/enhanced showers in that favorable wind regime area. Friday night and Saturday night may be the first chance for some to see snow flying as overnight temperatures near or possibly exceed freezing. This will be mostly over the higher terrain of interior northern lower and eastern upper Michigan. No accumulations are expected as ground temperatures will be too warm and some locations may even be mixed with some rain as you move farther from the higher terrain areas. High pressure once again builds over the forecast area . ending precipitation chances Sunday as the associated drier air moves in as well. This does not look to stick around too long though, as the pattern still seems to remain rather progressive with another system moving in at the beginning of the next work week. For the most part, daytime temperatures seem to remain in the upper 40s to low 50s throughout the entire long term period at this time.

AVIATION. (For the 18Z TAFS through 18Z Wednesday afternoon) Issued at 134 PM EDT Tue Oct 19 2021

High pressure will move slowly off to our east through tonight. A weak, moisture starved cold front will then drop down from the north Wednesday morning. Low pressure is expected to bring showers just beyond the taf period late Wednesday into Wednesday night. VFR cigs/vsbys through the period. Southwest winds of 5 to 10 knots through tonight shifting into the west behind the front Wednesday morning.

MARINE. Issued at 306 PM EDT Tue Oct 19 2021

Southwest winds of 10 to 15 knots will continue into tonight with a few gusts to near 20 knots into this evening. Winds will then shift into the west Wednesday morning and then north Wednesday night at around 10 knots. Gusty north winds are expected Thursday when small craft advisories may be needed. Meanwhile, showers will move into the nearshore zones from west to east later Wednesday into Wednesday night.

APX WATCHES/WARNINGS/ADVISORIES. MI . NONE. LH . NONE. LM . NONE. LS . NONE.

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GTLM4 - Grand Traverse Light, MI 28 mi49 min WSW 16G18 67°F 1015.6 hPa
MACM4 - 9075080 - Mackinaw City, MI 42 mi59 min W 6G11 68°F 61°F1013.3 hPa51°F
45194 43 mi59 min 64°F 61°F2 ft
45175 44 mi34 min 14G14 60°F2 ft
WSLM4 44 mi59 min SSW 14 62°F 60°F1014.6 hPa54°F

Wind History for Mackinaw City, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Charlevoix, Charlevoix Municipal Airport, MI15 mi34 minWSW 11 G 1510.00 miFair69°F51°F52%1015.2 hPa
Harbor Springs, Harbor Springs Airport, MI16 mi34 minW 510.00 miFair69°F53°F58%1014.9 hPa
Bellaire, Antrim County Airport, MI18 mi34 minWSW 510.00 miFair73°F51°F47%1015.6 hPa
Gaylord Regional Airport, MI22 mi36 minWSW 15 G 2210.00 miFair71°F43°F36%1016 hPa

Link to 5 minute data for KCVX

Wind History from CVX (wind in knots)
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Last 24hr0000000E3E3E3E40E3E3E3SE40SW4SW7SW8SW8SW10
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1 day agoNW11
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NW7N6NW6N4NW3000E300NW3NW8SW7W8W6W6
2 days agoW20
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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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