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Marine Weather and Tides
Version 3.4 |
9/4/2019 Fixed the weather maps due to NOAA moving them. 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 7:26AM | Sunset 7:53PM | Tuesday September 17, 2019 12:10 AM EDT (04:10 UTC) | Moonrise 8:54PM | Moonset 9:35AM | Illumination 91% |  |
LMZ745 Expires:201909171015;;904519 Fzus53 Klot 170259 Nshlot Nearshore Marine Forecast National Weather Service Chicago/romeoville Il 959 Pm Cdt Mon Sep 16 2019 For Waters Within Five Nautical Miles Of Shore On Lake Michigan Waves Are Provided As A Range Of Significant Wave Heights, Which Is The Average Of The Highest 1/3 Of The Waves, Along With The Average Height Of The Highest 10 Percent Of The Waves Which Will Occasionally Be Encountered. Lmz743>745-171015- Calumet Harbor To Gary-gary To Burns Harbor- Burns Harbor To Michigan City- 959 Pm Cdt Mon Sep 16 2019
.dense fog advisory in effect until 10 am cdt Tuesday...
Rest of tonight..Northeast winds 10 to 15 kt becoming east 5 to 10 kt. Areas of dense fog. Waves 1 to 3 ft.
Tuesday..East winds 5 to 10 kt becoming northeast in the afternoon. Patchy dense fog in the morning. Waves 1 ft or less.
Tuesday night..East winds 5 to 10 kt becoming southeast after midnight. Mostly clear. Waves 1 ft or less.
Wednesday..Southeast winds 5 to 10 kt becoming east in the afternoon. Mostly Sunny. Waves 1 ft or less.
.dense fog advisory in effect until 10 am cdt Tuesday...
Rest of tonight..Northeast winds 10 to 15 kt becoming east 5 to 10 kt. Areas of dense fog. Waves 1 to 3 ft.
Tuesday..East winds 5 to 10 kt becoming northeast in the afternoon. Patchy dense fog in the morning. Waves 1 ft or less.
Tuesday night..East winds 5 to 10 kt becoming southeast after midnight. Mostly clear. Waves 1 ft or less.
Wednesday..Southeast winds 5 to 10 kt becoming east in the afternoon. Mostly Sunny. Waves 1 ft or less.
LMZ745
7 Day Forecast for Marine Location Near Winamac, IN
Hourly EDIT Helplocation: 41.07, -86.71 debug
Area Discussion for - Northern Indiana, IN
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 kiwx 162351 afdiwx area forecast discussion national weather service northern indiana 751 pm edt Mon sep 16 2019 Synopsis Issued at 750 pm edt Mon sep 16 2019 dry conditions and warm temperatures are expected through the workweek. There is the potential for some fog near daybreak Tuesday. Look for high temperatures on Tuesday to be in the upper 70s to lower 80s, then slightly warmer through the rest of the week with highs well into the 80s. A chance of showers and thunderstorms return for the weekend. Short term (this evening through Tuesday) issued at 203 pm edt Mon sep 16 2019 fairly tranquil short term with stratus generally replaced by cu in most spots. After sunset, stratus will likely take hold once again, especially in eastern areas as NE to E flow advects in cooler temps. Fog will be possible once again, warranting patchy mention for now. Could see a bit more potential for areas of fog, possibly dense, but may be just enough flow to keep things mixed. Any fog stratus will be gone by late tues morning with pleasant temperatures as high pressure continues to settle in. Long term (Tuesday night through Monday) issued at 203 pm edt Mon sep 16 2019 as has been discussed for past several days, upper level ridge will keep the area dry and on the warm side into the start of the weekend. Models still point towards ridge breaking down shifting east enough to allow train of disturbances to begin to impact the area. Slgt chc to chc pops warranted mainly Sat night into Monday. |
Aviation (for the 00z tafs through 00z Tuesday evening) issued at 746 pm edt Mon sep 16 2019 surface ridge is sprawled across upper great lakes into eastern quebec. Weak flow and the lack of a robust mixout dry air advection today lends expectations for morning fog stratus that will provide significant impact to aviation across northern indiana near daybreak through mid late morning. At ksbn weaker flow and minimum temperature at least 5f below crossover favors visibility restrictions as primary concern with ifr conditions and tempo lowering into lifr range. At kfwa slightly stronger flow 15 to 20 knots within moist layer 500-1500ft agl favors stratus with ifr conditions due to low ceilings. Additionally, trajectory flow from western lake erie up basin to kfwa to provide additive moisture conditioning for thick stratus development. Both sites to transition intoVFR conditions no later than midday with deeper diurnal mixing into dry air aloft. Iwx watches warnings advisories In... None. Mi... None. Oh... None. Lm... None. Synopsis... Murphy short term... Fisher long term... Fisher aviation... Murphy visit us at |
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 |
| BHRI3 - Burns Harbor, IN | 46 mi | 70 min | NE 6 G 8.9 | 66°F | 1020.3 hPa | |||
| MCYI3 - Michigan City, IN | 47 mi | 41 min | NE 8.9 G 9.9 | 65°F | 64°F | |||
| 45170 | 49 mi | 31 min | NE 7.8 G 12 | 65°F | 68°F | 2 ft | 65°F | |
| CMTI2 - 9087044 - Calumet, IL | 63 mi | 53 min | NNE 2.9 G 5.1 | 66°F | 1019.9 hPa | 66°F |
Wind History for Calumet Harbor, IL
(wind in knots) EDIT (on/off) Help| 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 | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | |
| Last 24hr | SW | SW | SW | W | NW G7 | NW | N | NW | NW G6 | NW G7 | NW G11 | NW | NW G11 | NW G11 | NW G11 | NW G12 | NW G9 | N G10 | N | N | N | NE G9 | N | NE |
| 1 day ago | S | S G9 | S G13 | S G12 | S G14 | S G11 | SW G17 | S G15 | S G17 | S G17 | S G14 | S G17 | S G16 | S G11 | S G12 | S G12 | SW G11 | SW G11 | S G8 | S G8 | S | S G6 | S | SW |
| 2 days ago | SW | SW | S | SW | SW | SW | S | SW | SW | SW | SW | SW | S G9 | S G10 | SW G10 | SW G12 | SW G12 | SW G12 | SW G10 | SW | S | S | S | S G10 |
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 |
| Starke County Airport, IN | 18 mi | 36 min | NNE 6 | 1.75 mi | Overcast | 64°F | 62°F | 94% | 1020.7 hPa |
Link to 5 minute data for KOXI
Wind History from OXI (wind in knots)
| 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 | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | |
| Last 24hr | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | N | N | NE | Calm | N | N | N G15 | N | N | N | N | N | N | NE |
| 1 day ago | S | S | S | SW | S | S | N | NW G16 | SW | S | S | S G16 | S G18 | S G15 | S | S | S | S | S | Calm | S | S | Calm | SE |
| 2 days ago | W | S | W | Calm | S | SW | SW | SW | S | SW | SW | S | W | SW | SW | W G14 | W G17 | W | SW | W | S | Calm | S | S |
Tide / Current Tables for
EDIT Weekend mode (on/off) (on/off) HelpTide / Current Tables for
EDIT (on/off) HelpWeather Map
(on/off) Help Weather Map
GEOS 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 Northern Indiana, IN (0,6,7,8)
(on/off) Help
Ground Weather Radar Station Northern Indiana, IN
(on/off) Help
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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. |