Monday, October23, 2017 L-36.com


Marine Weather and Tides
Pass Christian, 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 7:03AMSunset 6:17PM Monday October 23, 2017 7:19 PM CDT (00:19 UTC) Moonrise 10:23AMMoonset 9:14PM Illumination 15% Phase: Waxing Crescent; Moon at 4 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- 316 Pm Cdt Mon Oct 23 2017
.small craft exercise caution in effect through Tuesday morning...
.small craft advisory in effect from Tuesday morning through late Tuesday night...
Tonight..Northwest winds 10 to 15 knots increasing to 15 to 20 knots overnight. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday..Northwest winds 15 to 20 knots with frequent higher gusts. Waves 3 to 5 feet. Dominant period 4 seconds.
Tuesday night..Northwest winds 15 to 20 knots with frequent higher gusts. Waves 2 to 4 feet. Dominant period 4 seconds.
Wednesday..Northwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Wednesday night..North winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday..North winds near 5 knots becoming northeast late in the morning, then becoming south in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Thursday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Friday..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Friday night..South winds 5 to 10 knots becoming north 10 to 15 knots in the late evening. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Saturday..North winds 10 to 15 knots. Waves 2 to 4 feet. Chance of showers and Thunderstorms.
Saturday night..North winds 15 to 20 knots. Waves 3 to 5 feet. Slight chance of showers and Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 316 Pm Cdt Mon Oct 23 2017
Synopsis..A cold front will continue to push south of the coastal waters and into the central gulf of mexico today. A secondary cold front will move through the coastal waters late tonight and early Tuesday. High pressure will settle over the area during the middle of the week and shift to the east Thursday into Friday. Another cold front will move through the region Friday night into Saturday.

7 Day Forecast for Marine Location Near Pass Christian city, MS
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location: 30.22, -89.11     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 232104
afdlix
area forecast discussion
national weather service new orleans la
404 pm cdt Mon oct 23 2017

Short term
A cooler dry day across the forecast area as high pressure begins
to work into the region. Drier and cooler air behind the cold
front will continue to filter into the region. A stronger shortwave will
sweep through the area on Tuesday, reinforcing the push of colder
and drier air. Little in the way of clouds or precipitation
expected with the frontal passage. You will definitely be able to
feel the difference in temperatures Tuesday night as temperatures
should drop into the lower 40s and maybe into the upper 30s across
the northern portions of the forecast area. Temperatures will only
recover into the upper 60s on Wednesday.

Long term
Forecast remains fairly dry and cool through at least Friday
morning as guidance points to another front expected to push
through the forecast area late Friday night into Saturday. Timing
from the GFS and the ECMWF are in agreement with a Saturday
morning passage... However the strength of the fronts are
different. The ECMWF is wetter and a little stronger with
convection. Have not really changed the pops from previous
forecast. Behind this front, again expect another push of cold air
and temperatures diving into the 30s Sunday morning.

Aviation
Vfr conditions to prevail through the forecast. No
issues expected and the only thing really worth mentioning will be
winds. Most terminals will see winds back down overnight but quickly
increase out of the nnw shortly after sunrise. Llws should not be an
issue but an increase of 20 kts in the 1st 1k-1500 ft between 10-13z
over most of the terminals outside of msy and new is likely. Msy and
new will likely not see winds decouple at the sfc. Cab

Marine
No major changes in the forecast thinking for the marine
zones. Moderate to strong offshore winds will relax a little this
evening but this will be short lived. A second reinforcing shot of
cold air will quickly push into the region early Tuesday and this
will lead to offshore winds increasing to 20-25 kts. These strong
winds will prevail through the day and much of the night Tuesday
before finally slowly relaxing through the day Wednesday. Overnight
Wednesday high pressure will finally settle over the region with
winds becoming mostly light and variable and then veering around to
onshore during the day Thursday as high pressure slides east. Cab

Decision support
Dss code: blue.

Deployed: none.

Activation: none.

Activities: monitoring river flooding
small craft advisories
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 49 70 41 66 0 0 0 0
btr 49 72 42 68 0 0 0 0
asd 49 73 41 68 0 0 0 0
msy 56 72 49 67 0 0 0 0
gpt 53 73 43 68 0 0 0 0
pql 51 73 40 68 0 0 0 0

Lix watches warnings advisories
La... None.

Gm... Small craft advisory until 6 pm cdt this evening for gmz536-538-
550-552-555-557-570-572-575-577.

Small craft advisory from 7 am Tuesday to 4 am cdt Wednesday for
gmz530-532-534-536-538-550-552-555-557-570-572-575-577.

Ms... None.

Gm... Small craft advisory until 6 pm cdt this evening for gmz538-550-
552-555-557-570-572-575-577.

Small craft advisory from 7 am Tuesday to 4 am cdt Wednesday for
gmz532-534-536-538-550-552-555-557-570-572-575-577.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 14 mi49 min NNW 8 G 9.9 69°F 73°F1016 hPa
OSTF1 - Stennis Test Facility 28 mi89 min NNW 3.9 G 7.8 69°F 1016.1 hPa (-0.0)48°F
DKCM6 - 8741501 - Dock C, Pascagoula, MS 30 mi49 min NNW 8 G 12 67°F 1015.3 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 31 mi49 min 72°F
PTBM6 - 8741003 - Petit Bois Island, MS 32 mi49 min N 16 G 20 70°F 1016 hPa
ULAM6 - 8741041 - Dock E. Port of Pascagoula, MS 33 mi49 min 77°F
RARM6 - 8741094 - Range A rear, Pascagoula, MS 33 mi49 min N 7 G 12 67°F 1015 hPa
SHBL1 - 8761305 - Shell Beach, LA 38 mi49 min N 15 G 16 72°F 76°F1015.9 hPa
GDXM6 - Grand Bay Reserve, MS 38 mi94 min NNW 9.9 71°F 1016 hPa50°F
KATA1 - Katrina Cut, AL 48 mi169 min N 17 72°F 1014.9 hPa

Wind History for Gulfport Outer Range, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gulfport - Gulfport-Biloxi International Airport, MS13 mi26 minNNW 310.00 miFair64°F51°F63%1015.7 hPa
Keesler Air Force Base / Biloxi, MS18 mi23 minNNW 410.00 miFair66°F49°F54%1016.2 hPa
Bay St. Louis, Stennis International Airport, MS21 mi26 minN 010.00 miFair59°F53°F82%1016.3 hPa

Wind History from GPT (wind in knots)
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Last 24hrNE4SE8NW3CalmNW10NW8NW8NW8NW7NW9NW10NW10NW11
G20
NW11NW12N13NW11NW14
G20
NW13
G18
NW12
G16
NW14NW13NW12N7
1 day agoE13E12E17
G22
E13E14SE11E10E10SE11SE7N4NE5E6NE9W54
G18
N6SE6E3NW8NW12N10NW9N6
2 days agoE8E6E5E7E6E5E7E4CalmE6E4E4E4E3E6E7SE11E15
G22
E18
G23
E16
G23
E19
G25
E17E19E13

Tide / Current Tables for Cat Island, Mississippi
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Cat Island
Click for Map
Mon -- 12:29 AM CDT     2.07 feet High Tide
Mon -- 07:04 AM CDT     Sunrise
Mon -- 10:22 AM CDT     Moonrise
Mon -- 11:07 AM CDT     0.58 feet Low Tide
Mon -- 06:16 PM CDT     Sunset
Mon -- 09:14 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.12.121.91.71.51.210.80.70.60.60.60.60.70.80.91.11.21.41.61.71.92

Tide / Current Tables for Ship Island, Mississippi Sound, Mississippi
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Ship Island
Click for Map
Mon -- 12:08 AM CDT     2.18 feet High Tide
Mon -- 07:03 AM CDT     Sunrise
Mon -- 10:22 AM CDT     Moonrise
Mon -- 10:29 AM CDT     0.61 feet Low Tide
Mon -- 06:16 PM CDT     Sunset
Mon -- 09:14 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.22.22.11.91.71.41.210.80.70.60.60.70.70.80.91.11.21.41.51.71.922.1

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 (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.