|
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 6:01AM | Sunset 7:45PM | Thursday August 22, 2019 1:17 PM CDT (18:17 UTC) | Moonrise 11:20PM | Moonset 12:51PM | Illumination 54% |  |
LMZ543 Expires:201908222215;;038374 Fzus53 Kgrb 221514 Nshgrb Nearshore Marine Forecast National Weather Service Green Bay Wi 1014 Am Cdt Thu Aug 22 2019 For Waters Within Five Nautical Miles Of Shore On Lake Michigan Lmz521-522-541>543-222215- 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- Rock Island Passage To Sturgeon Bay Wi- Sturgeon Bay To Two Rivers Wi-two Rivers To Sheboygan Wi- 1014 Am Cdt Thu Aug 22 2019
This afternoon..NE wind 10 to 15 kts. Waves 1 to 3 ft. A chance of sprinkles.
Tonight..N wind 10 to 15 kts. Waves building to 1 to 3 ft. Mostly clear.
Friday..NE wind 5 to 10 kts. Waves subsiding to 2 ft or less. Mostly Sunny.
Friday night..E wind 5 to 10 kts. Waves 2 ft or less. Clear.
This afternoon..NE wind 10 to 15 kts. Waves 1 to 3 ft. A chance of sprinkles.
Tonight..N wind 10 to 15 kts. Waves building to 1 to 3 ft. Mostly clear.
Friday..NE wind 5 to 10 kts. Waves subsiding to 2 ft or less. Mostly Sunny.
Friday night..E wind 5 to 10 kts. Waves 2 ft or less. Clear.
LMZ543
7 Day Forecast for Marine Location Near Cleveland, WI
Hourly EDIT Helplocation: 43.85, -87.62 debug
Area Discussion for - Milwaukee/Sullivan, WI
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 kmkx 221723 afdmkx area forecast discussion national weather service milwaukee sullivan wi 1223 pm cdt Thu aug 22 2019 Update The grb sounding from this morning showed steep low level lapse rates up to about 700mb then a sizable cap was above that layer. The shortwave moving through the area coupled with afternoon heating may allow for a very light shower to bubble up. But anything that does start to develop won't be able to make it through the cap so expect brief light showers across central wi that will gradually filter south through the afternoon hours. All in all, a few sprinkles are possible but most this will stay mainly as virga. Aviation(18z tafs) A strato-cu deck in the 4,000-5,000ft range has developed across central wi and is filtering south towards the terminals. These clouds are expected to hang around until after 00z, then start to scatter out. Winds stay out of the E NE with speeds at or below 10kts. Brief gusts of 15-18kts are possible at kmke and kenw. Prev discussion (issued 945 am cdt Thu aug 22 2019) update... satellite imagery showed a broad swath of strato-cu from central to northern wi. A shortwave moving through the region should be able to keep these clouds around and temps on the cooler side with highs staying the low to mid 70s. No major changes are needed at this time. Marine... north to northeast gusts to 20 knots are possible across lake michigan today. This will allow some waves of 2 to 4 feet to build along the nearshore and 3 to 5 feet over the southern half of the open waters. Prev discussion... (issued 550 am cdt Thu aug 22 2019) update... no changes to the forecast at this time. Aviation(12z tafs)... vfr will prevail today. A sct to broken stratocu deck should form by mid to late morning, continuing into the afternoon. This will be based between 4 and 5kft. A few sprinkles aren't out of the question, but generally dry conditions are expected. Winds will be out of the northeast. Prev discussion... (issued 246 am cdt Thu aug 22 2019) short term... today and tonight... Forecast confidence high... mid and high level clouds continue to push off to the south and southeast this morning, with cooler and drier air building into the area from the north. Early morning temperatures have already fallen into the upper 50s and low 60s in many spots, and will cool another couple of degrees before sunrise. A large area of mid level stratus has developed to our north, ahead of another shortwave which is rotating south across minnesota into northern wisconsin, around the western periphery of the main upper level low, which is over central quebec. This will eventually push another cold front through the area later today, as well result in a fairly widespread stratocu deck for much of the day. A few sprinkles aren't entirely out of the question, |
especially over central wisconsin, but forecast soundings show a very dry layer both above and below the cloud deck, suggesting that any meaningful precip will be pretty tough to come by. Increased clouds today will keep temperatures on the cool side, with low 70s north and mid 70s south. Skies should mostly clear out tonight, with temperatures again falling into the low to mid 50s. Some patchy fog will be possible, especially in low lying and sheltered areas. Long term... Friday through Sunday... Forecast confidence high... expansive high pressure will very gradually push east across the northern great lakes Friday and Saturday, with cool and dry easterly flow across the region. Highs Friday will be in the low 70s with a mix of Sun and clouds, with readings topping out in the mid 70s on Saturday. Saturday morning may be the coolest of the stretch, with morning lows away from lake michigan a degree or two on either side of 50. Low level flow turns progressively more southerly through the day Sunday, with moisture gradually returning to the area ahead of a broad area of mid level troughing to our west. The daytime hours Sunday should be dry, with highs in the mid to upper 70s. Showers and a few thunderstorms should slowly move in from the west Sunday evening and night, though their eastward progress will likely be slowed by dry air. Monday through mid week... Forecast confidence moderate. Monday and Monday night looks to be the most active period, with a robust shortwave and strong cold front approaching and moving through the region. A few rounds of rain and thunderstorms will be possible during this time, depending on exact timing of the front and structure of the upper level wave. Guidance is then in pretty good agreement in carving out an expansive upper level low across the great lakes and southern ontario during the midweek timeframe--a very autumn-like pattern. Depending on where exactly the upper low sets up, we may see a few scattered rain showers across the region. Highs will likely be back into the low 70s, dependent on the extent of cloud cover. Aviation(09z tafs)... vfr conditions are expected today, with light northeast winds. A scattered to broken stratocu deck is likely for much of the day, based around 4-5kft. A stray sprinkle or two is possible as well, but no meaningful precipitation is expected. Marine... north to northeast winds are expected across lake michigan today and tomorrow, with some periodic gustiness between 15 and 20 knots at times. Waves will build into the 2-3 foot range across the nearshore and 3-5 feet over the southern third to half of the open waters. Winds will become more easterly heading into Saturday and then gradually become more and more southerly heading into Sunday and Monday. Thunderstorm chances will return to the area Monday and Monday night, ahead of a strong cold front. Mkx watches warnings advisories Wi... None. Lm... None. Update... Stumpf today tonight and aviation marine... Boxell Friday through Wednesday... Boxell |
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 |
| SGNW3 - Sheboygan, WI | 8 mi | 18 min | NE 8.9 G 9.9 | 67°F | 1018.6 hPa (+0.8) | 55°F | ||
| PWAW3 - Port Washington, WI | 35 mi | 38 min | ENE 5.1 G 8 | 70°F | 1019.3 hPa | |||
| KWNW3 - 9087069- Kewaunee, WI | 43 mi | 48 min | NNE 1.9 G 8 | 69°F | 1018.5 hPa |
Wind History for Kewaunee MET, WI
(wind in knots) EDIT (on/off) Help| 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 | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | |
| Last 24hr | NW G13 | NW G10 | NW G10 | NW G10 | NW G8 | N G6 | N G7 | NW G8 | N G10 | N G12 | N G6 | N G8 | N G4 | NW | NW | W | -- | NW | NE G5 | NE G8 | NE G10 | NE G11 | NE G10 | NE G6 |
| 1 day ago | S | S | S | S | SW G7 | S | S G10 | -- | -- | NW | NW G6 | NW G4 | -- | -- | W | NW G6 | NW G6 | NW | NW G6 | N G4 | NW G6 | N G9 | NW G10 | NW G12 |
| 2 days ago | S | S | S | S | S | S | S G4 | -- | -- | W | S | W | -- | NW | NW | NW | -- | NW G4 | S | S | S G7 | SE G4 | S | S |
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 |
| Sheboygan County Memorial Airport, WI | 13 mi | 25 min | ENE 8 | 10.00 mi | Overcast | 71°F | 57°F | 61% | 1018.1 hPa |
| Manitowoc, Manitowoc County Airport, WI | 20 mi | 22 min | NE 3 | 10.00 mi | Light Rain | 63°F | 57°F | 84% | 1019.1 hPa |
Link to 5 minute data for KSBM
Wind History from SBM (wind in knots)
| 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 | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | |
| Last 24hr | W | NW | NW | NW | NW | Calm | N | N | N | N | N | N | Calm | Calm | NE | NE | E | NE | ||||||
| 1 day ago | S | S | S | SE | S | W | S | Calm | NW | NW | NW | W G16 | ||||||||||||
| 2 days ago | S | S | SE | S | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | S | Calm | S | 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 Milwaukee/Sullivan, WI (14,3,4,5)
(on/off) Help
Ground Weather Radar Station Green Bay, WI
(on/off) Help
Ad by Google
|
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. |