Tuesday, September28, 2021
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Marine Weather and Tides
Green Bay, WI

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 6:44AMSunset 6:41PM Monday September 27, 2021 11:10 PM CDT (04:10 UTC) Moonrise 10:11PMMoonset 1:30PM Illumination 58% Phase: Waning Gibbous; Moon at 21 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:202109281030;;287394 Fzus53 Kgrb 280203 Nshgrb Nearshore Marine Forecast National Weather Service Green Bay Wi 903 Pm Cdt Mon Sep 27 2021 For Waters Within Five Nautical Miles Of Shore On Lake Michigan Lmz521-522-281030- Green Bay South Of Line From Cedar River To Rock Island Passage And North Of A Line From Oconto Wi To Little Sturgeon Bay Wi- Green Bay South Of Line From Oconto Wi To Little Sturgeon Bay Wi- 903 Pm Cdt Mon Sep 27 2021
Tonight..NE wind 10 to 15 kts. Waves 1 to 3 ft. Clear.
Tuesday..E wind 5 to 10 kts veering se in the late morning and afternoon. Waves 2 ft or less. Sunny.
Tuesday night..S wind 5 to 10 kts veering sw after midnight. Waves 2 ft or less. Clear.
Wednesday..SW wind around 5 kts backing se in the late morning and afternoon. Waves 2 ft or less. Sunny.
LMZ522


7 Day Forecast for Marine Location Near Green Bay, WI
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location: 44.52, -87.98     debug


Area Discussion for - Green Bay, WI
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FXUS63 KGRB 280347 AFDGRB

Area Forecast Discussion National Weather Service Green Bay WI 1047 PM CDT Mon Sep 27 2021

Updated aviation portion for 06Z TAF issuance

SHORT TERM. Tonight and Tuesday Issued at 221 PM CDT Mon Sep 27 2021

Fairly quiet weather is in store for the short term period as high pressure dominates the region behind the weak front that crossed the region this morning. Light easterly flow near the lakeshore will keep temperatures cooler, as well as pushing some lake clouds into the region, although these clouds will gradually diminish into the evening hours.

Tonight, winds will slacken off considerably under clear skies. This will allow for some patchy fog to develop across portions of the area, from central to north-central Wisconsin. Low temperatures tonight will head back to the lower 40s to upper 30s. The light winds and clear skies may also lead to a few spots dropping into the middle 30s.

Tuesday will see a continuation of high pressure conditions in the area, with sunny skies and moderate temperatures. Bumped temps up a little as clear skies and light winds should allow surface temperatures to lean towards the warmer guidance. Expect highs to be mainly in the 70s.

LONG TERM. Tuesday Night Through Monday Issued at 221 PM CDT Mon Sep 27 2021

Upper level ridging will provide quiet weather for much of the work week, with well above normal temperatures expected through the forecast period. The next chance for precipitation will be sometime late in the week and into the weekend as a low pressure system runs into the ridge in place across the Great Lakes. Unfortunately the model solutions are not much clearer this run than they have been the last few days as there continues to be significant timing and precipitation amount differences between the various NWP models during this time period. Therefore, will again keep the NBM for these periods given the model uncertainty. Dry weather and cooler temperatures will likely follow this system as surface winds turn northerly, which appears to be on Monday at the latest.

AVIATION. for 06Z TAF Issuance Issued at 1047 PM CDT Mon Sep 27 2021

Areas of ground fog and IFR conditions are possible between 09z and 13z later tonight, especially north of a Iron Mountain to Wausau line. There could also be areas of ground fog late Tuesday night through early Wednesday.

Outside of any late night and early morning ground fog, mostly clear skies, light surface winds and excellent visibility are expected through at least the middle of the week.

GRB WATCHES/WARNINGS/ADVISORIES. Beach Hazards Statement until 4 AM CDT Tuesday for WIZ050.

SHORT TERM . Uhlmann LONG TERM . Kurimski AVIATION . RDM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GBWW3 2 mi59 min 60°F 1014.3 hPa
45014 22 mi41 min ENE 14 G 16 65°F 61°F2 ft1014.6 hPa
KWNW3 - 9087069- Kewaunee, WI 26 mi53 min NE 8.9 G 13 61°F 1013.2 hPa
MN4 - 9087088 - Menominee, MI 45 mi53 min NE 13 G 15 58°F 64°F1013.8 hPa52°F

Wind History for Kewaunee MET, WI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Green Bay, Austin Straubel International Airport, WI8 mi78 minENE 510.00 miFair55°F49°F80%1014.7 hPa

Link to 5 minute data for KGRB

Wind History from GRB (wind in knots)
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Last 24hrCalmCalmCalmW3CalmN3CalmCalmN8NE8NE12NE16
G23
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NE14NE10NE7N3N6NE5E5NE4
1 day agoSW5SW4SW4S3S3S3S6CalmCalmSW7SW6SW6SW6S56S6SW4N3S5N4NE3S3S4Calm
2 days agoW8W8W6W12
G19
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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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