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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 6:00AM | Sunset 7:50PM | Wednesday August 21, 2019 7:29 AM CDT (12:29 UTC) | Moonrise 10:52PM | Moonset 11:51AM | Illumination 67% |  |
LMZ522 Expires:201908211615;;973803 Fzus53 Kgrb 210837 Nshgrb Nearshore Marine Forecast National Weather Service Green Bay Wi 337 Am Cdt Wed Aug 21 2019 For Waters Within Five Nautical Miles Of Shore On Lake Michigan Lmz521-522-211615- 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- 337 Am Cdt Wed Aug 21 2019
Early this morning..N wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy.
Today..NW wind 10 to 15 kts. Waves 2 ft or less. Mostly Sunny.
Tonight..N wind 10 to 15 kts. Waves building to 1 to 3 ft. Mostly clear.
Thursday..NE wind 5 to 10 kts. Waves subsiding to 2 ft or less. Partly cloudy.
Thursday night..NE wind 5 to 10 kts. Waves 2 ft or less. Mostly clear.
Early this morning..N wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy.
Today..NW wind 10 to 15 kts. Waves 2 ft or less. Mostly Sunny.
Tonight..N wind 10 to 15 kts. Waves building to 1 to 3 ft. Mostly clear.
Thursday..NE wind 5 to 10 kts. Waves subsiding to 2 ft or less. Partly cloudy.
Thursday night..NE wind 5 to 10 kts. Waves 2 ft or less. Mostly clear.
LMZ522
7 Day Forecast for Marine Location Near Howard, WI
Hourly EDIT Helplocation: 44.56, -88.1 debug
Area Discussion for - Green Bay, WI
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 kgrb 211123 afdgrb area forecast discussion national weather service green bay wi 623 am cdt Wed aug 21 2019 updated aviation portion for 12z TAF issuance Short term Today... Tonight... And Thursday issued at 251 am cdt Wed aug 21 2019 fairly quiet weather with minimal impacts expected through the short- term portion of the forecast. A dry surface ridge and deep upper-level troughing will slide across the area through this time period keeping conditions cooler with very little precipitation expected. There may be a couple periods of partly to mostly cloudy skies as a couple shortwaves rotate around the aforementioned deep upper-level trough. The most likely time periods for increased cloud cover will be along the u.P. Border this afternoon and across much of the area overnight into the day Thursday. Again, enough low-level dry air is likely to be in place to limit any chances of rain; however, there could be a few sprinkles across the north half of the CWA Thursday afternoon. At this point, decided to stick with a dry forecast. High temperatures will cool from the low to mid 70s today to the upper 60s to low 70s Thursday. Overnight lows are expected to be in the upper 40s to mid 50s, warmest east-central and far northeast. Long term Thursday night through Tuesday issued at 251 am cdt Wed aug 21 2019 dry and cool conditions are expected on Thursday night and Friday |
with surface high pressure over wisconsin and a mid level ridge moving into the region. Some locations near the upper michigan border will see lows around 40 degrees early Friday morning. A gradual warming trend is expected for the weekend into next week in return flow to the west of the departing surface high. Increasing moisture and warmer temperatures, ahead of an approaching surface system and mid level trough, will bring chances for showers and storms to the area Sunday evening. Precipitation chances should come to an end late Monday night or Tuesday morning. Aviation For 12z TAF issuance issued at 622 am cdt Wed aug 21 2019 some lingering low clouds and patchy fog over the western TAF sites, will steadily mix out through mid morning. Otherwise, good flying conditions can be expected as high pressure and much drier air pushes into the area. Some scattered to broken clouds may pass through the area tonight into the day Thursday as an upper-level system approaches. Grb watches warnings advisories None. Short term... ..Cooley long term... ... Mg aviation... ... .Cooley |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| 45014 | 24 mi | 59 min | N 14 G 18 | 73°F | 70°F | 1012 hPa | ||
| KWNW3 - 9087069- Kewaunee, WI | 33 mi | 59 min | Calm G 5.1 | 66°F | 1011.3 hPa | |||
| MN4 - 9087088 - Menominee, MI | 46 mi | 59 min | NNW 11 G 12 | 64°F | 66°F | 1012.1 hPa |
Wind History for Kewaunee MET, WI
(wind in knots) EDIT (on/off) Help| 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
| Last 24hr | NW G4 | S | S | S G7 | SE G4 | S | S | S | S | S | S | SW G7 | S | S G10 | -- | -- | NW | NW G6 | NW G4 | -- | -- | W | NW G6 | NW G6 |
| 1 day ago | NW | NW G6 | E | SE | SE G5 | SE | S | S | S | S | S | S | S | S G4 | -- | -- | W | S | W | -- | NW | NW | NW | -- |
| 2 days ago | S | S | S | S | S | SW G15 | SW G17 | W G20 | W G16 | W G19 | W G17 | W G14 | W G10 | SW G6 | W | W G7 | NW G4 | W | NW | W | NW G5 | NW G5 | NW | NW G6 |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Green Bay, Austin Straubel International Airport, WI | 6 mi | 96 min | N 0 | 10.00 mi | Fair | 63°F | 62°F | 97% | 1012.2 hPa |
Link to 5 minute data for KGRB
Wind History from GRB (wind in knots)
| 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | |
| Last 24hr | Calm | SW | SW | NE | S | W | W | S G16 | S | SW | SW | SW | Calm | Calm | W | W | W | W | Calm | S | W | Calm | N | |
| 1 day ago | Calm | Calm | SE | W | SW | S | SW | W | W | S | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | NE | Calm | ||
| 2 days ago | SE | SE G29 | SW G21 | W G25 | W G26 | W G26 | W G24 | W G27 | W G25 | W | W G20 | SW | W | SW | W | W | W | NW | W | W | NW | NW | Calm | Calm |
Tide / Current Tables for
EDIT Weekend mode (on/off) (on/off) HelpTide / Current Tables for
EDIT (on/off) HelpWeather Map and Satellite Images
(on/off) HelpWeather Map
GOES Local Image of EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Green Bay, WI (8,2,3,4)
(on/off) Help
Ground Weather Radar Station Green Bay, WI
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Disclaimer: The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program. |