Sunday, May20, 2018 L-36.com


Marine Weather and Tides
Long Beach, MS

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 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.

Sunrise 5:57AMSunset 7:48PM Sunday May 20, 2018 7:52 PM CDT (00:52 UTC) Moonrise 11:11AMMoonset 12:14AM Illumination 36% Phase: Waxing Crescent; Moon at 6 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- 338 Pm Cdt Sun May 20 2018
Tonight..East winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Monday..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Monday night..South winds 5 to 10 knots becoming west after midnight. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Tuesday..North winds 5 to 10 knots becoming northeast late in the morning, then becoming south in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Tuesday night..South winds 5 to 10 knots becoming southwest after midnight. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Wednesday..Northwest winds 5 to 10 knots becoming northeast late in the morning, then becoming southeast in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Wednesday night..South winds 5 to 10 knots becoming northeast after midnight. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Thursday..North winds 5 to 10 knots becoming southeast in the late morning and afternoon. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Thursday night..Southeast winds 5 to 10 knots becoming east after midnight. Waves 1 to 2 feet. Chance of showers and Thunderstorms.
Friday..East winds 10 to 15 knots. Waves 2 to 4 feet. Chance of showers and Thunderstorms.
Friday night..East winds 10 to 15 knots. Waves 2 to 4 feet. Chance of showers and Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 338 Pm Cdt Sun May 20 2018
Synopsis..High pressure to the northeast of the coastal waters, and low pressure to the south of the coastal waters will keep a general east-southeast flow in place through Thursday. The area of low pressure will strengthen and move into the northern gulf by Friday.

7 Day Forecast for Marine Location Near Long Beach, MS
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location: 30.32, -89.14     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 202047
afdlix
area forecast discussion
national weather service new orleans la
347 pm cdt Sun may 20 2018

Discussion
Little change from the previous forecast. Should transition to a
more active pattern beginning tomorrow, with daily scattered
showers and thunderstorms, primarily in the afternoon. Difficult
to pinpoint exactly which areas will see showers storms each day,
so area average rainfall numbers are fairly low, but as is typical
this time of year, individual heavier storms could produce an inch
or two of rain over smaller areas.

Increased cloud cover and afternoon convection should help keep
temperatures below the record heat we've seen of late as well.

Expect highs to top out in the upper 80s or lower 90s each day.

Lows will remain a few degrees above normal, only dropping into
the upper 60s north and lower 70s south.

Going into the second half of the week, significant uncertainties
are introduced into the forecast as models continue to show
disparate solutions concerning an area of low pressure and
associated moisture moving through the gulf of mexico. The GFS is
a bit more amplified with an upper level trough, and ships the
energy and associated moisture off to the northeast across
florida. The euro on the other hand brings the disturbance and
moisture through the central gulf toward the lower mississippi
valley. Obviously the euro would result in a wetter solution for
the local area. For the time being have continued to carry a blend
of available guidance, which results in chance pops each day
through the end of the period. This will continue to be
adjusted tweaked as the situation becomes clearer.

Aviation
Vfr conditions will continue to be the prevailing condition at all
of the terminals through much of the forecast period. However, a
round of fog and low ceilings could develop at kmcb around 12z in
the morning resulting in lifr conditions. Scattered convection is
also expected to develop after 17z tomorrow that could briefly
reduce visibilities and produce gusty winds. Otherwise, no
significant impacts to aviation are expected through tomorrow
afternoon.

Marine
Little change in the ongoing weather pattern is expected through
Thursday. A seabreeze cycle will dominate the sounds and tidal
lakes with weak offshore winds in the morning hours switching to an
onshore wind by the afternoon. Farther offshore, a prevailing east-
southeast wind of around 10 knots is expected. Seas will generally
range from 1 to 3 feet. By Friday, a weak area of low pressure may
move into the coastal waters and winds could increase to around 15
knots. The wind field should also take on a more northeasterly
direction as the low sits just southeast of the coastal waters. Seas
should rise to 2 to 4 feet as the wind increase. Overall, a fairly
benign weather pattern is expected for much of the weak.

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; 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 or
excessive rainfall and or direct tropical threats; events of
national significance.

Preliminary point temps pops
Mcb 69 88 68 88 20 60 30 50
btr 70 89 70 89 20 40 30 50
asd 69 88 69 88 20 50 30 50
msy 74 89 73 89 20 40 20 50
gpt 71 87 71 87 20 60 30 50
pql 68 87 69 87 20 50 30 40

Lix watches warnings advisories
La... None.

Gm... None.

Ms... None.

Gm... None.

Aviation marine... 32
rest of discussion... 95 dm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 10 mi53 min S 8.9 G 12 82°F 86°F1015.5 hPa (-0.5)
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 31 mi53 min 85°F
PTBM6 - 8741003 - Petit Bois Island, MS 34 mi53 min SE 8.9 G 12 82°F 1016.9 hPa (-0.3)
GDXM6 - Grand Bay Reserve, MS 38 mi68 min SSE 9.9 82°F 1017 hPa71°F
SHBL1 - 8761305 - Shell Beach, LA 42 mi53 min ESE 11 G 13 82°F 88°F1015.6 hPa (-0.8)
KATA1 - Katrina Cut, AL 49 mi83 min SSE 8.9 82°F 1016.3 hPa

Wind History for West Pier, Port of Gulfport, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gulfport - Gulfport-Biloxi International Airport, MS7 mi60 minSSE 710.00 miFair85°F69°F59%1015.2 hPa
Keesler Air Force Base / Biloxi, MS14 mi57 minS 710.00 miThunderstorm in Vicinity83°F70°F64%1015.8 hPa
Bay St. Louis, Stennis International Airport, MS17 mi63 minS 710.00 miClear82°F69°F66%1015.6 hPa

Wind History from GPT (wind in knots)
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Last 24hrS5S5S4S3S5S5SE6S4S3S3CalmCalmN3CalmSE5SE10
G15
SE5--SE9SE10S10SE8S7S7
1 day agoW4W3CalmW3S4CalmCalmCalmCalmCalmNW3CalmS11
G16
S5S6S7S8S8S9S8S8S9S7S6
2 days agoSW6N9NE7CalmCalmCalmNW4CalmCalmCalmCalmCalmCalmW65W63S11
G19
SW10
G24
W7SW11
G18
S4SW7SW7

Tide / Current Tables for Gulfport, Gulfport Harbor, Mississippi
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Gulfport
Click for Map
Sun -- 12:13 AM CDT     Moonset
Sun -- 12:24 AM CDT     -0.15 feet Low Tide
Sun -- 05:59 AM CDT     Sunrise
Sun -- 11:11 AM CDT     Moonrise
Sun -- 02:53 PM CDT     1.96 feet High Tide
Sun -- 07:46 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.1-0.1-0.100.20.30.50.70.91.11.31.41.61.81.921.91.71.51.310.70.50.2

Tide / Current Tables for Cat Island (West Point), Mississippi
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Cat Island (West Point)
Click for Map
Sun -- 12:13 AM CDT     Moonset
Sun -- 01:46 AM CDT     -0.43 feet Low Tide
Sun -- 05:59 AM CDT     Sunrise
Sun -- 11:11 AM CDT     Moonrise
Sun -- 02:12 PM CDT     1.98 feet High Tide
Sun -- 07:46 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.3-0.4-0.4-0.4-0.2-00.20.50.711.31.61.81.9221.91.71.51.20.90.60.40.1

Weather Map and Satellite Images
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wmap_A
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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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.