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Marine Weather and Tides
Version 3.4 |
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 6:48AM | Sunset 7:09PM | Thursday September 16, 2021 6:21 AM CDT (11:21 UTC) | Moonrise 3:49PM | Moonset 1:10AM | Illumination 74% |  |
GMZ530 Lake Pontchartrain And Lake Maurepas- 405 Am Cdt Thu Sep 16 2021
Today..Southeast winds 10 to 15 knots. Waves 2 feet. Dominant period 4 seconds. Showers likely in the morning. Slight chance of Thunderstorms through the day. Showers in the afternoon.
Tonight..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and slight chance of Thunderstorms.
Friday..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Showers and slight chance of Thunderstorms.
Friday night..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Saturday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers in the morning. Chance of Thunderstorms through the day. Showers in the afternoon.
Saturday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Sunday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers in the morning. Chance of Thunderstorms through the day. Showers in the afternoon.
Sunday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of Thunderstorms in the evening. Chance of showers through the night.
Monday..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Showers likely in the morning. Chance of Thunderstorms through the day. Showers in the afternoon.
Monday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers.
Today..Southeast winds 10 to 15 knots. Waves 2 feet. Dominant period 4 seconds. Showers likely in the morning. Slight chance of Thunderstorms through the day. Showers in the afternoon.
Tonight..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and slight chance of Thunderstorms.
Friday..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Showers and slight chance of Thunderstorms.
Friday night..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Saturday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers in the morning. Chance of Thunderstorms through the day. Showers in the afternoon.
Saturday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Sunday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers in the morning. Chance of Thunderstorms through the day. Showers in the afternoon.
Sunday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of Thunderstorms in the evening. Chance of showers through the night.
Monday..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Showers likely in the morning. Chance of Thunderstorms through the day. Showers in the afternoon.
Monday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 405 Am Cdt Thu Sep 16 2021
Synopsis..The remnants of nicholas will finally begin to exit the gulf coast Friday but a trough will be left behind that will stall over the area in a north-south orientation.
Synopsis..The remnants of nicholas will finally begin to exit the gulf coast Friday but a trough will be left behind that will stall over the area in a north-south orientation.
7 Day Forecast for Marine Location Near Slaughter, LA
Hourly EDIT Help
Area Discussion for - New Orleans/Baton Rouge, LA
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS64 KLIX 160905 AFDLIX
Area Forecast Discussion National Weather Service New Orleans LA 405 AM CDT Thu Sep 16 2021
.SHORT TERM (Today through Saturday night) Focus will become more toward rainfall rates and not as much on totals area wide. Rates could be around 2 to 3 inches per hour today through Saturday and isolated areas could see 3 to 5 inches over that time frame. But area wide totals would be more in line with 1 to 2 inches. Regardless, looking at antecedant conditions, soils are saturated for many locations and these rates would surely push those areas into flash flooding. The majority of this should be diurnally driven but some areas of heavy rain will be found overnight as well. The remnants of Nicholas will meander around the SW part of Louisiana today but will finally get pulled northward Friday and out of the state by Friday night. The problem is the wake trough these systems leave behind which is basically a plume of tropical moisture itself keeping the potential for heavy rain going through Saturday.
Long Term (Sunday and beyond).
Weak troughing across the Lower Mississippi River Valley will not be in any rush to depart the area. Moisture levels as measured by precipitable water values, are likely to remain in excess of 2 inches across most or all of the area through at least the weekend, and likely into early next week. Daily rounds of showers and thunderstorms are expected to continue each day, being most numerous over land during the day, and over marine areas at night.
Looks like the 15/12z GFS run attempted to push a cold front through the area, which appears to be an outlier solution for now. A deeper northern stream trough moving across the Great Plains and Middle Mississippi River Valley doesn't appear to have quite enough push behind it to push a cold front and drier air through the area. Some indications that weak ridging will try to build in from the eastern Gulf of Mexico around Tuesday or Wednesday, which may be just enough to lower the areal coverage of daily convection a little bit, but not enough to significantly lower temperatures. Opted not to make significant changes to temperature forecast. High temperatures will be more of a function of when thunderstorms occur each day with convective temperatures in the lower and middle 80s. 35
AVIATION .
MVFR ceilings should continue for most of the day. The SHRA and possible TSRA will take up more areas during the day and could be near most terminals. Threat of TSRA at any one terminal isn't high enough to carry anything more restrictive than VCTS. Expect most convection to dissipate prior to 00z Friday. Beyond 00z Friday, there will likely be a brief period of VFR to MVFR conditions. While ceilings could deteriorate below that during the evening, it'll be somewhat more likely beyond 06z Friday. 35/17
MARINE .
Winds should be mainly in a south direction with speeds of 10-15kt through the weekend into the start of next week. Thunderstorm activity will remain as well and will be capable of bringing rapidly higher winds and seas. No appreciable changes until late into next week.
PRELIMINARY POINT TEMPS/POPS. MCB 85 72 84 71 / 90 50 100 50 BTR 85 72 84 71 / 90 40 90 40 ASD 88 74 86 73 / 80 50 100 60 MSY 89 76 87 76 / 80 50 100 60 GPT 85 75 84 74 / 80 70 100 60 PQL 85 74 85 72 / 90 70 100 70
LIX WATCHES/WARNINGS/ADVISORIES. LA . Flash Flood Watch through Friday evening for LAZ037-039-046>050- 056>061-063>072-075>078.
Coastal Flood Advisory until 7 PM CDT this evening for LAZ064- 066>070-076-078.
GM . None. MS . Flash Flood Watch through Friday evening for MSZ070-071-077- 080>082.
Coastal Flood Advisory until 7 PM CDT this evening for MSZ080- 081.
GM . None.
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 | 66 mi | 52 min | E 1 G 5.1 | 78°F | 81°F | 1008.2 hPa |
Wind History for East Bank 1, Norco, B. LaBranche, LA
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
| 1 day ago | ||||||||||||||||||||||||
| 2 days ago |
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 |
| Baton Rouge, Baton Rouge Metropolitan, Ryan Field, LA | 14 mi | 29 min | ENE 7 | 7.00 mi | Overcast | 74°F | 74°F | 100% | 1008.8 hPa |
Link to 5 minute data for KBTR
Wind History from BTR (wind in knots)
| 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 | E | E | NE | NE | NE | E | NE | NE | NE | NE | N | NE | NE | NE | E | E | ||||||||
| 1 day ago | E | E | E | E | E | |||||||||||||||||||
| 2 days ago | E | E | E | E | E | E | SE | E | E | NE | 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
Thu -- 02:06 AM CDT Moonset
Thu -- 06:45 AM CDT Sunrise
Thu -- 11:27 AM CDT 1.67 feet High Tide
Thu -- 04:42 PM CDT Moonrise
Thu -- 07:03 PM CDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 02:06 AM CDT Moonset
Thu -- 06:45 AM CDT Sunrise
Thu -- 11:27 AM CDT 1.67 feet High Tide
Thu -- 04:42 PM CDT Moonrise
Thu -- 07:03 PM CDT Sunset
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 | 0.1 | 0.2 | 0.4 | 0.6 | 0.8 | 1 | 1.2 | 1.3 | 1.5 | 1.6 | 1.7 | 1.7 | 1.6 | 1.5 | 1.4 | 1.2 | 1 | 0.8 | 0.6 | 0.4 | 0.3 | 0.2 | 0.1 |
Tide / Current Tables for Weeks Bay, Vermilion Bay, Louisiana
EDIT (on/off) Help One Week of DataWeeks Bay
Click for Map
Thu -- 02:15 AM CDT Moonset
Thu -- 05:41 AM CDT 2.01 feet High Tide
Thu -- 06:52 AM CDT Sunrise
Thu -- 04:49 PM CDT Moonrise
Thu -- 07:10 PM CDT Sunset
Thu -- 10:20 PM CDT -0.09 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 02:15 AM CDT Moonset
Thu -- 05:41 AM CDT 2.01 feet High Tide
Thu -- 06:52 AM CDT Sunrise
Thu -- 04:49 PM CDT Moonrise
Thu -- 07:10 PM CDT Sunset
Thu -- 10:20 PM CDT -0.09 feet Low Tide
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 |
| 0.4 | 0.8 | 1.3 | 1.6 | 1.9 | 2 | 2 | 2 | 1.9 | 1.9 | 1.8 | 1.7 | 1.7 | 1.7 | 1.6 | 1.5 | 1.4 | 1.1 | 0.8 | 0.5 | 0.2 | 0 | -0.1 | -0.1 |
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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