Tuesday, March2, 2021
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Marine Weather and Tides
Oconto, WI

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 6:25AMSunset 5:43PM Tuesday March 2, 2021 6:11 PM CST (00:11 UTC) Moonrise 11:01PMMoonset 9:25AM Illumination 81% Phase: Waning Gibbous; Moon at 19 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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LMZ522 Expires:202011102315;;637191 Fzus73 Kgrb 102148 Mwsgrb Marine Weather Statement National Weather Service Green Bay Wi 348 Pm Cst Tue Nov 10 2020 Lmz521-522-541>543-563-565-567-102315- 348 Pm Cst Tue Nov 10 2020
.strong Thunderstorms approaching the waters... The areas affected include... Central and southern bay of green bay... NEarshore waters from washington island to sheboygan... Open waters of lake michigan from rock island passage to sheboygan... At 347 pm cst, doppler radar indicated strong Thunderstorms, capable of producing winds to around 30 knots, small hail and brief torrential downpours. These Thunderstorms were located along a line extending from near long tail point light to 6 nm south of green bay to 9 nm southwest of denmark to 14 nm west of cleveland, moving northeast at 50 knots. Locations impacted include... Sherwood point light, sturgeon bay ship canal light, long tail point light, jacksonport, peshtigo reef light, algoma, sturgeon bay, whitefish point, kewaunee pierhead light and sister bay. Precautionary/preparedness actions... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. && lat...lon 4389 8773 4409 8770 4419 8751 4447 8754 4530 8699 4498 8736 4480 8733 4485 8758 4455 8802 4457 8804 4472 8798 4541 8682 4534 8647 4512 8646 4488 8669 4383 8709
LMZ522


7 Day Forecast for Marine Location Near Oconto, WI
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location: 44.89, -87.87     debug


Area Discussion for - Green Bay, WI
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FXUS63 KGRB 022342 AFDGRB

Area Forecast Discussion National Weather Service Green Bay WI 542 PM CST Tue Mar 2 2021

Updated aviation portion for 00Z TAF issuance

SHORT TERM. Tonight and Wednesday Issued at 212 PM CST Tue Mar 2 2021

A tight pressure gradient will mean gusty winds will continue through early this evening as a cold front sweeps through the area. Winds should die off significantly after sunset and continue to east throughout the overnight hours. Some models continue to develop a stratus deck later tonight and into Wednesday morning as well as some drizzle. Given the moisture will not be very deep will keep the clouds in per the previous forecast but leave out the drizzle. Overnight lows are expected to fall into the 20s.

If the stratus deck does develop, it is expected to scatter out by Wednesday afternoon as high pressure builds in across the western Great Lakes region. The afternoon sunshine will help high temperatures to rise into the middle to upper 30s across the north, with highs in the lower to middle 40s across central and east-central Wisconsin away from Lake Michigan.

LONG TERM. Wednesday Night Through Tuesday Issued at 212 PM CST Tue Mar 2 2021

A quiet pattern sets up for the first half of this forecast period with a surface high pressure system and mean upper-level northwest flow overhead. Model guidance indicates the next chance for precipitation would be sometime late this weekend and again early next week. Above normal temperatures are favored throughout the long term forecast.

Wednesday night through Sunday . As previously mentioned, a surface high pressure system and upper-level northwest flow will remain overhead through this time period. This will result in a dry and mild forecast with near normal high temperatures on Thursday in the middle to upper 30s, and above normal high temperatures on Friday and Saturday in the upper 30s to middle 40s. The upper-level northwest flow will finally break come Sunday as the trailing upper- level ridge slides overhead. Southerly winds will transport warmer air to the region for Sunday, allowing temperatures to rise to the upper 40s and lower 50s.

Rest of the extended . The upper-level ridge will not reign over the area for long as model guidance points to a subsequent weak shortwave bringing the next chance for precipitation Sunday night into Monday. However, models are not in agreement with the finer details of this system such as timing and the amount of moisture associated with it. Attention then turns to a possible more significant system midweek next week.

AVIATION. for 00Z TAF Issuance Issued at 541 PM CST Tue Mar 2 2021

Low level wind shear possible at MNM/OCQ/GRB/ATW/OSH/MTW/SUE through mid evening.

Mostly clear skies are through most of the night. A cold front moving south across the area early Wednesday could be followed by some stratocumulus clouds with bases between 1000 and 2000 feet. These clouds are most likely north of a CWA to MNM line between 12z and 18z. Further south there should be scattered clouds with higher bases.

VFR conditions are likely over the entire area Wednesday afternoon and night.

GRB WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . Kurimski LONG TERM . Hykin AVIATION . RDM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MN4 - 9087088 - Menominee, MI 21 mi204 min SSW 19 G 25 35°F 35°F1009.1 hPa22°F
KWNW3 - 9087069- Kewaunee, WI 35 mi204 min SSW 16 G 23 38°F 1011.8 hPa

Wind History for Menominee, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Menominee - Marinette Twin County Airport, MI20 mi16 minSW 12 G 2010.00 miFair36°F25°F64%1008.2 hPa

Link to 5 minute data for KMNM

Wind History from MNM (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmSW3SW4SW4SW6SW7SW7SW9SW11SW10
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1 day agoNW7NW7
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2 days agoSW6S6SW5NE8E8E6E3NE3E8E5NE3E4E3E3E7E7S11S10SW11SW7W8W8NW13
G25
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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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