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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 6:46AM | Sunset 6:59PM | Saturday September 21, 2019 12:27 AM CDT (05:27 UTC) | Moonrise 12:00AM | Moonset 1:26PM | Illumination 54% |  |
GMZ534 Lake Borgne- 949 Pm Cdt Fri Sep 20 2019
.small craft exercise caution in effect through Saturday evening...
Rest of tonight..East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday..East winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Slight chance of Thunderstorms early in the afternoon. Slight chance of showers in the afternoon.
Saturday night..East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Sunday..Southeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds. Slight chance of showers through the day.
Sunday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday night..South winds 5 to 10 knots becoming northwest after midnight. Waves 1 foot or less. Dominant period 4 seconds.
Tuesday..Northwest winds 5 to 10 knots becoming south late in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Tuesday night..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday..West winds near 5 knots becoming southeast in the late morning and afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday night..South winds 5 to 10 knots. Waves 1 foot or less.
.small craft exercise caution in effect through Saturday evening...
Rest of tonight..East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday..East winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Slight chance of Thunderstorms early in the afternoon. Slight chance of showers in the afternoon.
Saturday night..East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Sunday..Southeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds. Slight chance of showers through the day.
Sunday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday night..South winds 5 to 10 knots becoming northwest after midnight. Waves 1 foot or less. Dominant period 4 seconds.
Tuesday..Northwest winds 5 to 10 knots becoming south late in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Tuesday night..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday..West winds near 5 knots becoming southeast in the late morning and afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday night..South winds 5 to 10 knots. Waves 1 foot or less.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 949 Pm Cdt Fri Sep 20 2019
Synopsis..A ridge of high pressure will prevail over the coastal waters into next week.
Synopsis..A ridge of high pressure will prevail over the coastal waters into next week.
7 Day Forecast for Marine Location Near Chalmette, LA
Hourly EDIT Helplocation: 30, -89.93 debug
Area Discussion for - New Orleans/Baton Rouge, LA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus64 klix 210457 afdlix area forecast discussion national weather service new orleans la 1157 pm cdt Fri sep 20 2019 Aviation Vfr cavok conditions at all terminals though breezy easterly winds may have daytime gustiness running close to 20-23kt with thermal mixing, particularly those influenced by marine proximity. Gustiness should abate with sunset with some possible advection of few-sct marine layer stratocumulus deck later in the evening hours. 24 rr Prev discussion issued 353 pm cdt Fri sep 20 2019 discussion... upper level ridge extends for most of the southern CONUS through the atlantic with a surface high just off the coast of the eastern coast around virginia to georgia. Drier air moving in from the east has lowered pw values to around 1.5 inches for a good portion of inland southeast louisiana and southern mississippi. As a result, heat indices today were lower today and should generally be less humid through the weekend. Temperatures, on the other hand, will likely stay right in the 90s through this weekend and into next week. The area will continue to be under a weaker ridge through next week. -bl aviation... vfr category conditions will generally prevail at the terminals during the TAF forecast period. Isolated to scattered convection this afternoon could impact any of the terminals, with kgpt having the least chance. The convection should mostly dissipate after sunset. Easterly wind flow will prevail especially for TAF sites near the coast. 18 marine... strong easterly winds will affect the coastal waters through the majority of the weekend. Because of this a small craft advisory has been issued for the coastal waters and small craft exercise caution for the tidal lakes. One or both may need an extension with the eastern half of the coastal waters the most likely. Additionally, due to the easterly flow and high tides some coastal flooding may be possible for eastern coasts. Currently opted out of any coastal flood advisories but that will need to be watched. |
After this weekend, winds will subside and high pressure will prevail through next week. -bl decision support... dss code: blue. Deployed: none. Activation: none. Activities: none. Decision support services (dss) code legend green = no weather impacts that require action. Blue = long-fused watch, warning, or advisory in effect or high visibility event; marginal risk severe or excessive rain. Yellow = heightened impacts with short-fused watch, warning or advisory issuances; radar support for slight risk severe or excessive rain. Orange = high impacts; enhanced risk severe; nearby tropical events; hazmat or other large episodes. Red = full engagement for moderate to high risk of severe and or excessive rainfall, or direct tropical threats; events of national significance. Preliminary point temps pops Mcb 68 89 67 91 10 20 10 10 btr 71 90 71 91 20 20 10 10 asd 71 89 70 90 10 20 10 10 msy 77 87 76 90 10 20 10 20 gpt 73 87 72 88 10 20 10 10 pql 71 89 70 90 10 10 0 10 Lix watches warnings advisories La... None. Gm... Small craft advisory until 7 pm cdt Saturday for gmz532-536-538- 550-552-555-557-570-572-575-577. Ms... None. Gm... Small craft advisory until 7 pm cdt Saturday for gmz536-538-550- 552-555-557-570-572-575-577. |
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 |
| NWCL1 - 8761927 - New Canal, LA | 10 mi | 58 min | ESE 1.9 G 6 | 79°F | 85°F | 1019.1 hPa | ||
| CARL1 | 12 mi | 58 min | 85°F | |||||
| SHBL1 - 8761305 - Shell Beach, LA | 16 mi | 58 min | E 9.9 G 12 | 81°F | 86°F | 1020 hPa | ||
| FREL1 | 27 mi | 58 min | ESE 11 G 14 | 82°F | 1019.2 hPa | |||
| BYGL1 - 8762482 - Bayou Gauche, LA | 30 mi | 58 min | E 1.9 G 2.9 | 77°F | 85°F | 1019.8 hPa | ||
| WYCM6 - 8747437 - Bay Waveland Yacht Club, MS | 39 mi | 58 min | SE 15 G 19 | 83°F | 83°F | 1020.5 hPa |
Wind History for New Canal Station, LA
(wind in knots) EDIT (on/off) Help| 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 | -12 PM | 10 PM | 11 PM | 12 AM | |
| Last 24hr | NE | -- | SE | SE G8 | -- | SE | SE | SE | SE G8 | SE G13 | E G15 | E G17 | E G16 | E G19 | E G20 | E G18 | E G14 | E G12 | E G9 | SE G10 | SE G4 | E G4 | SE G5 | |
| 1 day ago | E | -- | S | SE | S | SE | -- | SE | S | SE | E G9 | E G4 | SE G8 | SE G7 | SE | E | SE G9 | SE G7 | SE G10 | SE G6 | SE G4 | NE | -- | |
| 2 days ago | SE | -- | -- | SE | S | -- | NE | NE | NE | NE | NE | SE G7 | S G7 | N G18 | NW | NW G6 | NW | NW | N | -- |
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 |
| New Orleans, New Orleans Lakefront Airport, LA | 6 mi | 35 min | ESE 9 | 10.00 mi | Fair | 81°F | 70°F | 69% | 1019.1 hPa |
| New Orleans Naval Air Station - Alvin Callender Field, LA | 13 mi | 33 min | ENE 6 | 10.00 mi | Fair | 77°F | 73°F | 90% | 1019.3 hPa |
| New Orleans, New Orleans International Airport, LA | 17 mi | 35 min | E 5 | 10.00 mi | Partly Cloudy | 80°F | 70°F | 71% | 1019.9 hPa |
Link to 5 minute data for KNEW
Wind History from NEW (wind in knots)
| 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 | 12 AM | |
| Last 24hr | E G27 | SE | SE | S | SE | SE | SE | SE | E G21 | E | E G22 | E | E G23 | E G22 | E | E | E | E G23 | E | E | E | E | E | E |
| 1 day ago | Calm | E | E | E | E | E | E | E | E | E | SE | SE | E | S | SE | SE | SE | SE | SE | SE | SE | SE | SE | E |
| 2 days ago | SW | SW | Calm | SW | Calm | Calm | SE | SE | SE | E | NE | N | N | NE | E | SE | SE | NW | NW | NW | NW | W | W | Calm |
Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
EDIT Weekend mode (on/off) (on/off) Help One Week of DataParis Road Bridge
Click for Map
Sat -- 06:47 AM CDT Sunrise
Sat -- 07:58 AM CDT 1.40 feet High Tide
Sat -- 01:26 PM CDT Moonset
Sat -- 06:57 PM CDT Sunset
Sat -- 08:29 PM CDT 0.23 feet Low Tide
Sat -- 09:43 PM CDT Last Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 06:47 AM CDT Sunrise
Sat -- 07:58 AM CDT 1.40 feet High Tide
Sat -- 01:26 PM CDT Moonset
Sat -- 06:57 PM CDT Sunset
Sat -- 08:29 PM CDT 0.23 feet Low Tide
Sat -- 09:43 PM CDT Last Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
| 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 |
| 0.6 | 0.8 | 0.9 | 1 | 1.1 | 1.2 | 1.3 | 1.4 | 1.4 | 1.4 | 1.3 | 1.2 | 1.1 | 1 | 0.9 | 0.7 | 0.6 | 0.4 | 0.3 | 0.3 | 0.2 | 0.2 | 0.3 | 0.4 |
Tide / Current Tables for Chef Menteur, Chef Menteur Pass, Louisiana
EDIT (on/off) Help One Week of DataTide / Current data from XTide NOT FOR NAVIGATION
Weather Map
(on/off) Help Weather Map
GEOS Local Image of Southeast 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 New Orleans/Baton Rouge, LA (1,6,7,8)
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Ground Weather Radar Station New Orleans/Baton Rouge, LA
(on/off) Help
Gulf Stream Current
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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. |