Saturday, March23, 2019 L-36.com


Marine Weather and Tides
Bassfield, MS

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:55AMSunset 7:11PM Saturday March 23, 2019 11:31 AM CDT (16:31 UTC) Moonrise 10:19PMMoonset 8:58AM Illumination 92% Phase: Waning Gibbous; Moon at 17 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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GMZ530 Lake Pontchartrain And Lake Maurepas- 1037 Am Cdt Sat Mar 23 2019
Rest of today..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Tonight..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Sunday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Sunday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and slight chance of Thunderstorms through the day.
Monday night..North winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers in the evening.
Tuesday..North winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday night..Northeast winds near 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday..East winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 1037 Am Cdt Sat Mar 23 2019
Synopsis.. Surface high pressure will continue to slowly drift east from the ohio valley region to the mid-atlantic through this weekend. This will promote developing onshore winds beginning this afternoon. By Monday evening through Tuesday morning, an approaching cold front will introduce spotty showers and strong Thunderstorms for near-coastal waters, followed by gusty, northerly winds through mid-week.


7 Day Forecast for Marine Location Near Bassfield, MS
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location: 31.5, -89.84     debug


Area Discussion for - Jackson, MS
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Fxus64 kjan 231531 aab
afdjan
area forecast discussion... Updated
national weather service jackson ms
1031 am cdt Sat mar 23 2019

Update
Updated for morning discussion.

Discussion
Mid upper level ridging and high pressure at the surface will
maintain overall quiet conditions across the arklamiss today. Winds
will steadily become more southeasterly while sustained between 5-10
mph. Highs will warm into the middle 70s areawide, as high clouds
stream east overheard through the course of the day.

The ongoing forecast is in good shape. I'll tweak some hourly
elements of the forecast based on current trends. However, no
major changes will be made on this morning's update. 19
prior discussion below:
today through tonight... High pressure at the surface and aloft will
continue to prevail over the region today. A nice day is on tap with
highs climbing into the mid upper 70s across the area. The main
concern this afternoon will the continuation of the dry air over the
area. Rh's will fall into the 20 percent range once again today, and
although the winds will generally be light, there will continue to
be fire weather concerns later this morning through the afternoon
hours. Will continue to advertise this in the hwo and graphicasts.

Moisture will begin to increase across the area tonight into Sunday,
with a few showers possible early Sunday across the delta. Lows will
range from the mid 50s in the west to mid 40s in the east. 15
Sunday through Friday: at the beginning of the period, surface high
pressure will have shifted east with weak low level southerly flow
starting to return moisture to the area. Weak mid level southwest
flow will be responsible for ascent overtop the lower level
retreating airmass with showers already probable over upper
arklamiss delta region by Sunday morning. Generally weak wind fields
early in the period will be slow to increase moisture to the region,
but amplifying mid level flow Sunday afternoon into Sunday night
will strengthen this process as a cold core system and its attendant
cold front drops rapidly southeast from the mid ms valley into the
tn valley.

Stiffening wind fields will pull lower to mid 60s dewpoints ahead of
the cold front into the arklamiss delta region by Monday morning
with increasing convergence serving to initiate convection. While
the models agree with 50 knots of deep layer shear present over the
area during the heat of the afternoon, differences arise with the
timing, magnitude and placement of mid level lapse rates, with the
nam being the most bullish. Regardless of these differences, believe
enough of a signal exists in the models to suggest some of the
storms will be rather robust with potentially large hail and
damaging wind. Will, therefore, add a marginal severe risk in the
hwo for central and southern portions for mainly Monday afternoon.

A brief cool down will ensue behind the frontal boundary Monday
night into Tuesday, but quickly returning southerly flow and ridging
aloft should recommence warming by the end of the period. 26

Aviation
12z TAF discussion:
vfr conditions continue to prevail at TAF sites this morning and
expect these conditions to continue through the period. Light
winds this morning will become southeasterly at 5-8kts after
14-15z. 15

Preliminary point temps pops
Jackson 76 49 77 57 0 0 12 42
meridian 76 48 79 56 0 0 6 29
vicksburg 76 53 76 59 0 2 22 51
hattiesburg 75 46 80 55 0 0 3 9
natchez 75 52 78 58 0 0 10 26
greenville 74 54 72 58 0 18 42 69
greenwood 75 53 73 57 0 5 28 71

Jan watches warnings advisories
Ms... None.

La... None.

Ar... None.

19


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 86 mi37 min SSE 8.9 G 8.9 60°F 63°F1024.9 hPa

Wind History for Bay Waveland Yacht Club, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hattiesburg/Laurel, Hattiesburg-Laurel Regional Airport, MS27 mi35 minSE 610.00 miA Few Clouds68°F41°F38%1025 hPa

Wind History from PIB (wind in knots)
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Last 24hr3N8N65N8N63CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE6
1 day agoW9
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NW7NW96W4----Calm--N6N5CalmCalmSW3CalmCalmCalmCalmCalmCalmNW3
2 days agoW3CalmCalm35Calm4CalmCalmCalmCalmCalmSW3NW9NW5NW6NW3CalmCalmCalm355NW7

Tide / Current Tables for Waveland, Mississipi Sound, Mississippi
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Waveland
Click for Map
Sat -- 06:57 AM CDT     Sunrise
Sat -- 07:10 AM CDT     0.90 feet High Tide
Sat -- 08:01 AM CDT     0.90 feet Low Tide
Sat -- 08:56 AM CDT     Moonset
Sat -- 01:52 PM CDT     1.40 feet High Tide
Sat -- 07:10 PM CDT     Sunset
Sat -- 10:15 PM CDT     Moonrise
Sat -- 10:57 PM CDT     0.12 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.50.60.70.80.80.90.90.90.911.11.31.41.41.41.31.10.90.70.50.30.20.1

Tide / Current Tables for Bay Waveland Yacht Club, Bay St. Louis, Mississippi
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Bay Waveland Yacht Club
Click for Map
Sat -- 06:54 AM CDT     0.87 feet High Tide
Sat -- 06:57 AM CDT     Sunrise
Sat -- 08:37 AM CDT     0.85 feet Low Tide
Sat -- 08:56 AM CDT     Moonset
Sat -- 02:06 PM CDT     1.43 feet High Tide
Sat -- 07:10 PM CDT     Sunset
Sat -- 10:15 PM CDT     Moonrise
Sat -- 10:58 PM CDT     0.15 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.60.60.70.70.80.90.90.90.90.911.21.41.41.41.31.110.80.60.30.20.2

Weather Map and Satellite Images
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wmap_A
GOES Local Image of    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.
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Wind Forecast for Jackson, MS (12,3,4,5)
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Ground Weather Radar Station Jackson/Brandon, MS
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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.