Monday, March27, 2017 L-36.com


Marine Weather and Tides
DeLisle, MS

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:48AMSunset 7:13PM Monday March 27, 2017 5:37 AM CDT (10:37 UTC) Moonrise 6:41AMMoonset 6:59PM Illumination 0% Phase: New Moon; Moon at 29 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-lake Borgne- 330 Am Cdt Mon Mar 27 2017
Today..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers in the late morning and afternoon. Slight chance of Thunderstorms in the afternoon.
Tonight..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Tuesday..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday night..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday night..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Thursday..South winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Showers and Thunderstorms likely.
Thursday night..Southwest winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Showers and Thunderstorms likely in the evening, then chance of showers and Thunderstorms after midnight.
Friday..Southwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday night..South winds 5 to 10 knots becoming southeast after midnight. Waves 1 foot or less.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 330 Am Cdt Mon Mar 27 2017
Synopsis..High pressure centered over the eastern gulf will maintain relatively light to moderate winds and seas through Wednesday. A low pressure system should then impact the coastal waters on Thursday. High pressure is expected to build into the north gulf by Friday.

7 Day Forecast for Marine Location Near DeLisle, MS
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location: 30.36, -89.27     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 270831
afdlix
area forecast discussion
national weather service new orleans la
331 am cdt Mon mar 27 2017

Short term
A mid/upper level short wave trough will traverse the mid and
lower mississippi valley today bringing a threat of isolated to
scattered convection to the forecast area. The best dynamics and
support for convection will reside to the north of the local area
with this system. As a result, the best chance for showers and
thunderstorms will be across our southwest mississippi counties
and the adjacent parishes of southeast louisiana with decreasing
chances farther to the south. Even across our northern areas, pops
will be kept in the 30 to 40 percent range. An isolated strong
storm or two cannot be ruled out across the far northern reaches
of the area where SPC has outlooked a marginal risk for severe
weather. The main threats in these areas would be damaging winds
and large hail.

A few showers and storms could linger into the evening hours
across the far northern sections of the forecast area. Otherwise,
quiet conditions will prevail tonight with some fog development
expected after midnight that will persist through early Tuesday
morning. Tuesday should be warm and mostly dry with upper level
ridging over the gulf coast states. Models continue to indicate
the possibility of some convection across the area during the day
Tuesday, although any chance should be rather small. Plan to
confine the mention of any chance for convection across the
northern most sections of the p/cwa which will be closer to a
stalled out front to our north. 11

Long term
A warm but occasionally unsettled period is on tap for the area
as a couple of potentially strong systems affect the region during
the period. Wednesday should be dry as upper level ridging over
the southeast CONUS shifts to the east. The threat for convection
will begin to increase from the west Wednesday night and continue
through Thursday night as a potent upper low/trough moving out of
the southern plains Wednesday translates eastward across the lower
and mid mississippi valley region Thursday and Thursday night.

This system will have the potential to produce some strong to
severe thunderstorms across the area along with locally heavy
rainfall Thursday and Thursday night before shifting off to the
east.

A quiet period will commence on Friday and continue into Saturday
as upper level ridging builds back over the south ahead of yet
another strong system that will impact our weather for the latter
half of the weekend and into the beginning of the following work
week. There are still some differences between the models with the
strength, evolution and timing of this system, but at this time it
appears that the path of this vigorous system will be farther
south than its predecessor and will move across the lower
mississippi valley during the aforementioned time period. This
system is still seven to eight days out, but there appears to be
some potential for a severe weather and possibly heavy rainfall
threat with it. 11

Aviation
Most terminals reporting ceilings in the ifr or lower end of MVFR,
although several sites have occasionally gone scattered. Expect the
ifr/MVFR ceilings to predominate during the rest of the night and
through mid morning. If winds drop off, could also see visibilities
fall to near 3sm. Will continue mention of potential tsra at kmcb
and kbtr during the day, although will need to use vcts as pop/areal
coverage not high enough to carry prevailing. Will also mention of
vcsh at kgpt. Outside of convection, anticipate late morning and
afternoon to haveVFR conditions. Once again, expect low cloud
development during the overnight period tonight with MVFR to ifr
ceilings developing, primarily after 06z Tuesday. 35

Marine
Winds over coastal waters today will be near the 15 knot threshold
for starting to consider small craft exercise caution headlines.

For now, will hold off and day shift can issue if they get up into
the 17-18 knot range. More likely to need headlines Wednesday
into Friday morning, then again late Saturday. 35

Decision support
Dss code: green.

Deployed: none.

Activation: none.

Activities: assessing convective threats for this week.

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 82 63 83 62 / 40 20 20 10
btr 83 63 84 63 / 30 10 10 10
asd 81 63 82 63 / 20 10 10 10
msy 82 66 81 66 / 20 10 10 10
gpt 79 66 79 65 / 20 10 10 10
pql 80 63 81 62 / 20 10 10 10

Lix watches/warnings/advisories
La... None.

Gm... None.

Ms... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 4 mi49 min SSW 8.9 G 13 72°F 73°F1015.3 hPa
OSTF1 - Stennis Test Facility 18 mi47 min S 3.9 G 7.8 71°F 1015.8 hPa (+0.3)69°F
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 37 mi49 min 73°F
DKCM6 - 8741501 - Dock C, Pascagoula, MS 37 mi49 min S 8.9 G 11 71°F 1015.7 hPa
SHBL1 - 8761305 - Shell Beach, LA 40 mi49 min S 7 G 8.9 71°F 73°F1015.5 hPa
RARM6 - 8741094 - Range A rear, Pascagoula, MS 40 mi49 min S 8.9 G 12 71°F 1015.5 hPa
42067 - USM3M02 40 mi117 min S 14 G 16 71°F 4 ft1015.5 hPa69°F
ULAM6 - 8741041 - Dock E. Port of Pascagoula, MS 41 mi49 min 73°F
PTBM6 - 8741003 - Petit Bois Island, MS 42 mi49 min S 8.9 G 11 70°F 1016.6 hPa
GDXM6 - Grand Bay Reserve, MS 45 mi112 min S 8.9 72°F 1016 hPa69°F

Wind History for Bay Waveland Yacht Club, MS
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gulfport - Gulfport-Biloxi International Airport, MS11 mi44 minS 79.00 miOvercast72°F69°F91%1015.5 hPa
Keesler Air Force Base / Biloxi, MS19 mi1.7 hrsSSW 1110.00 miMostly Cloudy72°F69°F94%1015.8 hPa

Wind History from HSA (wind in knots)
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Last 24hr--------------------CalmCalmSE4S6S8S8S8S8S10S11S11S11
G16
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1 day ago--------------------S6SE10--S12
G20
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NW8CalmCalmCalmCalmCalm
2 days ago--------------------SE9SE10
G15
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G18
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G15

Tide / Current Tables for Wolf River, Henderson Avenue bridge, Mississippi
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Wolf River
Click for Map
Mon -- 01:05 AM CDT     1.11 feet High Tide
Mon -- 06:41 AM CDT     Moonrise
Mon -- 06:52 AM CDT     Sunrise
Mon -- 08:26 AM CDT     0.44 feet Low Tide
Mon -- 02:15 PM CDT     0.65 feet High Tide
Mon -- 06:52 PM CDT     0.48 feet Low Tide
Mon -- 06:59 PM CDT     Moonset
Mon -- 07:13 PM CDT     Sunset
Mon -- 09:59 PM CDT     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.11.11.110.90.70.60.50.40.40.50.50.60.60.70.60.60.50.50.50.50.60.60.7

Tide / Current Tables for Gulfport, Gulfport Harbor, Mississippi
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Gulfport
Click for Map
Mon -- 06:40 AM CDT     Moonrise
Mon -- 06:51 AM CDT     Sunrise
Mon -- 07:08 AM CDT     0.51 feet Low Tide
Mon -- 01:14 PM CDT     0.93 feet High Tide
Mon -- 06:37 PM CDT     0.58 feet Low Tide
Mon -- 06:58 PM CDT     Moonset
Mon -- 07:12 PM CDT     Sunset
Mon -- 09:59 PM CDT     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.41.41.31.110.70.60.50.50.70.80.90.90.90.90.90.80.70.60.60.70.911.2

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 (6,6,7,8)
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Ground Weather Radar Station New Orleans/Baton Rouge, LA
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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.