Wednesday, February21, 2018 L-36.com


Marine Weather and Tides
Gulf Park Estates, MS

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:26AMSunset 5:48PM Wednesday February 21, 2018 6:56 PM CST (00:56 UTC) Moonrise 11:09AMMoonset 12:00AM Illumination 42% Phase: First Quarter Moon; Moon at 7 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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GMZ532 Mississippi Sound- 310 Pm Cst Wed Feb 21 2018
Tonight..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers.
Thursday..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Thursday night..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 5 seconds.
Friday..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 5 seconds. Chance of showers and Thunderstorms.
Friday night..South winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 5 seconds. Slight chance of showers and Thunderstorms.
Saturday..South winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 5 seconds. Chance of showers and Thunderstorms.
Saturday night..Southwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 5 seconds. Chance of showers and Thunderstorms.
Sunday..West winds 10 to 15 knots becoming north in the afternoon. Waves 1 to 2 feet. Showers and Thunderstorms likely.
Sunday night..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Showers and Thunderstorms likely.
Monday..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Showers and Thunderstorms likely.
Monday night..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Chance of showers and Thunderstorms in the evening, then showers and Thunderstorms likely after midnight.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 310 Pm Cst Wed Feb 21 2018
Synopsis..A cold front in northern louisiana and mississippi will become stationary well north of the coast tonight then retreat north Thursday. Another cold front will move off the coast late Sunday but become stationary in the northern gulf Monday before moving north as a warm front Tuesday.

7 Day Forecast for Marine Location Near Gulf Park Estates, MS
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location: 30.15, -88.72     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 212222
afdlix
area forecast discussion
national weather service new orleans la
422 pm cst Wed feb 21 2018

Short term
Onshore flow with convergent cloud streaks feeding the large
complex of frontal forced convection well to the north and west of
the local forecast area. State of convection over the area remains
showers but intensify to cellular and possibly supercellular
storms while moving into central mississippi. Some surging of cold
pool due to convection may bring the surface boundary closer to
the western fringes of the CWA but should stall overnight. Frontal
zone then retreats north as warm front and softens the air mass
compression over the area for perhaps only isolated showers on
weaker convergent streaks Thursday. Frontal recharge farther north
will then likely increase onshore flow heading into Friday for
better convective coverage. Temperatures remain well above normal
for mid-february.

Long term
No ECMWF model today so mostly followed GFS for extended portion
of the package. Upper level short-wave ripples through frontal
zone and increases baroclinicity for continued unsettled weather
farther north. Renewed frontogenesis brings cold front through
area during the day Sunday, which brings cooler but still somewhat
above normal conditions to the area through Tuesday morning,
before return flow brings warm front through area, and rebounding
in warm sector once again middle of the week. There will have to
be some close monitoring of severe potential in the baroclinic
zone middle of next week but models currently favor locations just
north of our forecast area at this time.

Aviation
MVFR ceilings may lower at times to ifr CIGS vsby with marine
layer advection and occasional light to moderate fog overnight.

Stalled frontal zone in proximity to the region will likely
maintain prevailing MVFR CIGS for better part of the valid taf
period Thursday. Spotty showers may be worthy of prob30 but hard
pressed to go tempo at this point, and vcsh may be more
appropriate at most locations.

Marine
Onshore flow to prevail through at least early Sunday morning as
latest frontal zone should become stationary later this evening
well north of the coast. Next front gets a better push southward
to at least move through the coastal waters before stalling, then
retreating north late Tuesday into early Wednesday of next week.

Long fetched swell train from the lower gulf likely to maintain
7-8 second periods for next few days.

Decision support
Dss code: green.

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.

Yellow = heightened impacts with short-fused watch, warning or
advisory issuances; radar support.

Orange = high impacts; slight to moderate risk severe; nearby
tropical events; hazmat or other large episodes.

Red = full engagement for moderate risk of severe and or direct
tropical threats; events of national significance.

Preliminary point temps pops
Mcb 69 83 66 80 40 40 20 40
btr 68 83 67 80 40 40 20 50
asd 69 83 66 80 20 10 20 50
msy 69 83 67 81 20 10 20 70
gpt 68 79 64 77 20 10 10 40
pql 67 80 62 79 20 10 10 40

Lix watches warnings advisories
La... None.

Gm... None.

Ms... None.

Gm... None.

24 rr


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTBM6 - 8741003 - Petit Bois Island, MS 12 mi38 min ESE 8.9 G 11 71°F 1025.3 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 17 mi38 min 70°F
KATA1 - Katrina Cut, AL 28 mi56 min SE 13 1024.7 hPa (+0.7)
CRTA1 - Cedar Point, AL 33 mi56 min SE 8 71°F 1024.7 hPa (+0.3)
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 34 mi38 min SSE 9.9 G 12 73°F 73°F1023.8 hPa
DPIA1 - Dauphin Island, AL 35 mi56 min ESE 14 G 15 71°F 1024.4 hPa (+0.4)70°F
FMOA1 - 8734673 - Fort Morgan, AL 37 mi38 min ESE 16 G 18 70°F
MBLA1 - Middle Bay Light, AL 42 mi56 min ESE 14 71°F 1024.4 hPa (+0.7)
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 49 mi38 min S 4.1 G 7 69°F 65°F1025.2 hPa

Wind History for Petit Bois Island, Port of Pascagoula, MS
(wind in knots)    EDIT      (on/off)   Help
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Last
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SE10
G14
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G12
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SE9
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G14
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E8
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G16
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G20
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G21
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SE11
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2 days
ago
NE3
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G14
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G18
SE11
G15
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G16
SE11
G15
SE11
G14
SE12
G16
SE10
G13
SE9
G12

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Keesler Air Force Base / Biloxi, MS22 mi60 minSE 8 G 1610.00 miMostly Cloudy74°F71°F92%1024 hPa
Moss Point - Trent Lott International Airport, MS24 mi63 minESE 88.00 miOvercast74°F70°F88%1024.4 hPa

Wind History from BIX (wind in knots)
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Last 24hrSE9SE10SE9SE9SE9
G14
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G19
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1 day agoSE10
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SE10SE9SE8
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SE7SE7SE6E5SE8SE7SE9
G17
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G21
SE13SE13
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G15
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G21
SE13
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SE9
G16
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G16
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G15
2 days agoCalmSE4SE4SE6SE6SE10S7S7SE5SE4SE4SE5SE7S9SE10
G16
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G17
SE10SE14
G18
SE12
G18
SE10SE9
G17
SE7SE10

Tide / Current Tables for Horn Island, Mississippi Sound, Mississippi
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Horn Island
Click for Map
Wed -- 02:17 AM CST     0.74 feet High Tide
Wed -- 03:31 AM CST     0.73 feet Low Tide
Wed -- 05:12 AM CST     0.74 feet High Tide
Wed -- 06:22 AM CST     0.73 feet Low Tide
Wed -- 06:29 AM CST     Sunrise
Wed -- 10:08 AM CST     Moonrise
Wed -- 02:00 PM CST     1.28 feet High Tide
Wed -- 05:47 PM CST     Sunset
Wed -- 11:22 PM CST     0.37 feet Low Tide
Wed -- 11:28 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.70.70.70.70.70.70.70.70.80.80.911.21.21.31.21.21.10.90.80.60.50.40.4

Tide / Current Tables for Chandeleur Light, Louisiana
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Chandeleur Light
Click for Map
Wed -- 06:29 AM CST     Sunrise
Wed -- 10:09 AM CST     Moonrise
Wed -- 02:34 PM CST     0.52 feet High Tide
Wed -- 05:48 PM CST     Sunset
Wed -- 11:29 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
00000.10.10.10.10.20.20.30.40.40.50.50.50.50.40.30.30.10.1-0-0.1

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for New Orleans/Baton Rouge, LA (19,4,5,8)
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Ground Weather Radar Station Mobile, AL
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weather_mapweather_map weather_map

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.