Tuesday, April24, 2018 L-36.com

Marine Weather and Tides
Ocean Springs, MS

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 6:16AMSunset 7:30PM Tuesday April 24, 2018 7:25 PM CDT (00:25 UTC) Moonrise 2:20PMMoonset 3:03AM Illumination 72% Phase: Waxing Gibbous; Moon at 10 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- 352 Pm Cdt Tue Apr 24 2018
Tonight..Northwest winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Wednesday..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday night..West winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Thursday..West winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of Thunderstorms in the morning. Chance of showers through the day.
Thursday night..Northwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..West winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms in the afternoon.
Friday night..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday..Northeast winds 10 to 15 knots becoming south 5 to 10 knots late in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday night..Southwest winds 5 to 10 knots becoming northeast in the late evening. Waves 1 to 2 feet.
Sunday..East winds near 10 knots becoming southeast late in the afternoon. Waves 1 to 3 feet.
Sunday night..East winds 5 to 10 knots. Waves 1 to 2 feet.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 352 Pm Cdt Tue Apr 24 2018
Synopsis..High pressure will be in control of the coastal waters through Wednesday. A cold front should slide through the coastal waters on Thursday. Another front should then push through the region on Friday. High pressure will then build back in for the weekend.

7 Day Forecast for Marine Location Near Ocean Springs, MS
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location: 30.39, -88.8     debug

Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 242055
area forecast discussion
national weather service new orleans la
355 pm cdt Tue apr 24 2018

Latest surface analysis showed a 1008mb low over south carolina
with a trough axis extending southwest from the low to coastal
mississippi to lake pontchartrain. Upper air analysis revealed a
low over central tennessee and a positively tilted trough axis
north dakota to southeast wyoming. 18

Surface pressure gradient will continue to relax tonight.

Temperatures overnight will fall and atmosphere at the surface
will become saturated tonight after midnight, mainly across the
northern zones. Therefore, we maintain the patchy fog wording
across northern zones around sunrise Wednesday morning.

Upper level low will continue to push toward the eastern seaboard
through Wednesday. The trough out west will dive southeast and
deepen over the central plains Wednesday. This system will bring
its own moisture with precipitable water values up to 1.4 inches
early Thursday morning. The trough will reach the lower
mississippi valley Thursday morning becoming neutrally tilted
Thursday morning and becoming negatively tilted over alabama
Thursday afternoon, east of our forecast area. This is a cold
core system with the core of -21f well north but -16f across
southwest mississippi Thursday morning. This will offset the lack
of a moist southeast flow. The cooler temps at 5h will increase
instability across the north zones for Thursday. Will increase
isolated to scattered thunder due to the frontal focus favorable
lapse rate mainly across the north zones late Wednesday night and
early Thursday.

A secondary wave is expected Friday morning through the afternoon.

Precipitable water values are expected to fall to a half inch
after Thursday's storm system and increase up to 0.8 inch along
this second wave. This is a another cold core system sweeping
across the north and east zones. Have inserted thunder as steep
lapse rates steep thunderstorms but lack of moisture will only
yield isolated coverage. In addition, -16f to -20f up across
southwest mississippi and southern mississippi including coastal
mississippi may yield a one or two storms will small hail on
Friday. Conditions will improve Friday night with a pleasant dry
weekend expected with seasonal temperatures.

Offshore flow pattern continues with surface high pressure centered
northwest of the area. The pressure gradient remains strong enough
to hold winds in the 10 to 15 knot range. Actual wind direction will
vary from west today to north tomorrow as the ridge slides east. A
relatively weak cold front slide through Thursday morning as a weak
upper trough tracks across the southeast. A surge of drier air
behind this front could push winds back to around 15 knots Thursday
morning and early afternoon. Very progressive upper level pattern
will bring yet another frontal boundary through the coastal waters
Friday. This will push winds back to 15 to 20 knots over the open
gulf waters for Friday evening through early Saturday. Surface high
pressure will track from west to east across the southeastern conus
this weekend. This will cause winds to rotate around from NW to se.


Visible satellite shows scattered CU field moving across the region.

These clouds will erode this evening with loss of daytime heating.

Vfr conditions will generally prevail across the area through the
forecast period. There's a short window around sunrise when patchy
light moderate fog could bring visibility down to ifr. Mcb and hum
are the more likely candidates if anyone observes fog.


Decision support
Dss code: blue.

Deployed: none.

Activation: none.

Activities: sandhill crane nwr outreach support
new orleans navy week support
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; direct tropical threats; events of
national significance.

Preliminary point temps pops
Mcb 54 78 56 73 0 10 40 50
btr 56 80 57 74 0 10 40 50
asd 55 79 58 76 0 0 20 50
msy 61 79 61 75 0 0 10 50
gpt 59 79 62 76 0 0 10 50
pql 56 79 58 76 0 0 10 30

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
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 13 mi37 min 68°F
PTBM6 - 8741003 - Petit Bois Island, MS 20 mi37 min N 14 G 17 72°F 1014.6 hPa
GDXM6 - Grand Bay Reserve, MS 20 mi100 min NNW 9.9 75°F 1014 hPa56°F
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 28 mi37 min N 12 G 16 74°F 73°F1014.3 hPa
KATA1 - Katrina Cut, AL 32 mi55 min NNW 14 73°F 1013.9 hPa
CRTA1 - Cedar Point, AL 35 mi55 min NNW 14 74°F
DPIA1 - Dauphin Island, AL 40 mi25 min NNW 15 G 16 73°F 1013.9 hPa (+0.7)55°F
MBLA1 - Middle Bay Light, AL 42 mi55 min NNW 14 71°F 1013.9 hPa
FMOA1 - 8734673 - Fort Morgan, AL 43 mi37 min N 17 G 18 73°F
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 43 mi37 min NNW 8 G 13 70°F 68°F1014.4 hPa
PTOA1 45 mi37 min 71°F 53°F
OBLA1 - 8737048 - Mobile State Docks, AL 46 mi37 min 70°F 65°F1014.4 hPa

Wind History for Dock C, Port of Pascagoula, MS
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1 day
2 days

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Keesler Air Force Base / Biloxi, MS7 mi29 minN 910.00 miA Few Clouds73°F55°F53%1014.2 hPa
Gulfport - Gulfport-Biloxi International Airport, MS14 mi32 minNNW 1110.00 miFair75°F54°F48%1013.9 hPa
Moss Point - Trent Lott International Airport, MS15 mi32 minNNW 510.00 miFair72°F53°F52%1014.4 hPa

Wind History from BIX (wind in knots)
Last 24hrNW4NW4NW8N5NW4NW5NW3N5NW3W3W3W3W4W3CalmW3W3W4SW9
1 day agoNW4CalmCalmN4CalmCalmCalmNW3NW4NW4NW4CalmNW4NW3NW5W3W4W3W4--SW14
2 days agoSE9SE10SE7SE5E5SE6SE4SE5E5SE7SE9SE10SE7SE8SE5S12

Tide / Current Tables for Ocean Springs, Mississippi
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Ocean Springs
Click for Map
Tue -- 03:02 AM CDT     Moonset
Tue -- 04:05 AM CDT     0.00 feet Low Tide
Tue -- 06:18 AM CDT     Sunrise
Tue -- 02:20 PM CDT     Moonrise
Tue -- 06:01 PM CDT     1.27 feet High Tide
Tue -- 07:28 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Biloxi, Biloxi Bay, Mississippi
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Click for Map
Tue -- 03:03 AM CDT     Moonset
Tue -- 04:43 AM CDT     0.16 feet Low Tide
Tue -- 06:18 AM CDT     Sunrise
Tue -- 02:21 PM CDT     Moonrise
Tue -- 05:45 PM CDT     1.47 feet High Tide
Tue -- 07:29 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map and Satellite Images
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GOES 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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New Orleans/Baton Rouge, LA (20,4,5,8)
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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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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.