Saturday, January19, 2019 L-36.com


Marine Weather and Tides
Waveland, 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 6:54AMSunset 5:25PM Saturday January 19, 2019 8:24 PM CST (02:24 UTC) Moonrise 4:58PMMoonset 6:15AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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
    EDIT      (on/off)   Help
GMZ534 Lake Borgne- 422 Pm Cst Sat Jan 19 2019
.gale warning in effect through late tonight...
.small craft advisory in effect Sunday morning...
Tonight..Northwest winds 25 to 30 knots. Waves 3 to 6 feet. Dominant period 4 seconds.
Sunday..Northwest winds 20 to 25 knots easing to near 15 knots in the afternoon. Waves 3 to 5 feet. Dominant period 4 seconds.
Sunday night..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday night..Southeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Tuesday..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers.
Tuesday night..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers in the evening, then showers likely after midnight.
Wednesday..Southwest winds 10 to 15 knots becoming northwest in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds. Showers likely in the morning, then showers in the afternoon.
Wednesday night..Northwest winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Showers likely.
Thursday..Northwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday night..North winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 422 Pm Cst Sat Jan 19 2019
Synopsis..A low pressure system and strong cold front will move east of the coastal waters tonight. High pressure will then settle in for early next week. Another low pressure system should then affect the area by the middle of next week.


7 Day Forecast for Marine Location Near Waveland, MS
   Hourly   EDIT   Help
location: 30.13, -89.43     debug


Area Discussion for - New Orleans/Baton Rouge, LA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus64 klix 200136
afdlix
area forecast discussion
national weather service new orleans la
736 pm cst Sat jan 19 2019

Sounding discussion
This evening's sounding was successful with no issues encountered.

Temperature and dew points are significantly lower compared to the
last 12 hours, along with winds shifting indicates cold front.

Additionally, with no instability and negative SRH the severe
weather threat has already well passed by along with the fropa.

Low clouds are still hanging out in the area but the rest of the
column is dry, especially above the lcl. There is still a lot of
room for temps to bottom out from the cold air advection with the
winds starting to turn northerly.

-bl

Prev discussion issued 354 pm cst Sat jan 19 2019
synopsis...

low pressure centered near nashville this afternoon, with a
prefrontal trough squall line near mobile. Actual front appears to
be near a slidell to morgan city line at 3 pm. Dry slot is pushing
the last of of the precipitation out of jackson county and
plaquemines parish. Much colder air is also moving into the area.

Temperatures are in the lower and middle 60s ahead of the front,
but are already in the mid 40s at new roads, and down to 40
already at alexandria.

Short term...

have opted to add st. Charles parish to the wind advisory tonight due
to the trajectory of the cold air across lakes pontchartrain and
maurepas.

Pattern remains progressive, with surface high already east of the
local area Monday morning. Return flow ahead of the next storm
system moving out of the rockies will bring a small chance of rain
to the area on Tuesday.

Once dry slot moves away from the area tonight, cold air clouds
will return, and take a good bit of Sunday morning to depart the
area. Clouds will return late Monday night.

While temperatures are expected to stay just above freezing
tonight south of lake pontchartrain, the strong winds will mean
wind chill values in the teens and 20s area-wide Sunday morning.

With significant outdoor activity going on in both baton rouge and
new orleans tomorrow, people should dress for the much colder
conditions. Areas to the north of lake pontchartrain will drop
near or below freezing overnight, but a hard freeze is not
expected, so no freeze warnings will be issued tonight.

Temperatures will struggle to reach 50 tomorrow. Tomorrow night
may be close to hard freeze conditions across the north half, and
around freezing over the river parishes and outer portions of the
new orleans metro. A close call, but will hold off on warnings for
tomorrow night for now. Monday will see temperatures closer to
normal, but GFS numbers may be a little too aggressive with the
warmup. Generally closer to the met numbers then. Tuesday highs
will probably be near the 70 degree mark, similar to yesterday and
this morning. 35
long term...

track of next system is somewhat further north at midweek next
week than the current system. ECMWF is not quite as aggressive
with secondary low development near the coast on Wednesday and
Thursday as it was yesterday. Rain will be a pretty good bet for
Wednesday into Wednesday night. Instability will be rather weak,
so not playing up thunderstorms at this point. Wednesday highs are
likely to be early in the day as colder and drier air moves into
the area for the end of the week. Could be another system around
the end of next weekend, but still differences in timing. 35
aviation...

MVFR CIGS will overspread the region from the northwest through the
remainder of the afternoon and early evening along with gusty west
to northwest winds. Winds over inland airports will subside
overnight tonight while remaining breezy windy and gusty near the
south shore of lake pontchartrain and coast into Sunday morning.

Conditions will improve toVFR later tonight and Sunday morning at
most airports. 22 td
marine...

strong cold front will continue to sweep through the central gulf
coast region's gulf waters this evening. Strong cold air advection
and building strong high pressure will result in westerly to
northwesterly gales, sustained over 34 knots at times across coastal
waters but mostly in frequent gusts of 35 to 40 knots through 6 am
Sunday. Surface observations indicated winds approaching gale force
near the coast and offshore terrebonne parish as of 3 pm with
sustained gales to the west off the southwest louisiana coast. The
gale warning has been left as is from previous forecast. As high
pressure builds into the region, winds and waves will fall below
small craft advisory criteria Sunday, starting earliest on the tidal
lakes and latest over the eastern southeastern offshore coastal
waters. Have issued the SCA on the back side of the gale warning to
account for this. A lull in winds and seas will be short lived as
the next system and cold front will likely bring a return of
approaching SCA or SCA conditions during much of the Tuesday through
Wednesday night periods. 22 td
decision support...

dss code: blue.

Deployed: none.

Activation: none.

Activities: gale warning, wind advisory and ongoing river flooding
mississippi and pearl rivers.

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 rain; direct tropical threats; events of national
significance.

Preliminary point temps pops
Mcb 30 45 26 56 0 0 0 0
btr 31 47 29 58 0 0 0 0
asd 33 49 28 56 0 0 0 0
msy 36 47 34 57 0 0 0 0
gpt 35 49 29 54 0 0 0 0
pql 36 49 28 56 0 0 0 0

Lix watches warnings advisories
La... Wind advisory until 6 am cst Sunday for laz060>064-066>070.

Gm... Small craft advisory from 6 am to noon cst Sunday for gmz532-536-
538-550-552-570.

Gale warning until 6 am cst Sunday for gmz530-532-534-536-538-
550-552-555-557-570-572-575-577.

Small craft advisory from 6 am to 3 pm cst Sunday for gmz555-557-
572-575-577.

Small craft advisory from 6 am to 9 am cst Sunday for gmz530-534.

Ms... None.

Gm... Small craft advisory from 6 am to noon cst Sunday for gmz536-538-
550-552-570.

Gale warning until 6 am cst Sunday for gmz532-534-536-538-550-
552-555-557-570-572-575-577.

Small craft advisory from 6 am to 3 pm cst Sunday for gmz557-572-
575-577.

Small craft advisory from 6 am to 9 am cst Sunday for gmz534.



Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 15 mi37 min NW 23 G 29 46°F 57°F1011.8 hPa
SHBL1 - 8761305 - Shell Beach, LA 22 mi37 min WNW 32 G 36 46°F 59°F1013 hPa
NWCL1 - 8761927 - New Canal, LA 37 mi43 min WNW 12 G 22 45°F 56°F1014.3 hPa
CARL1 40 mi37 min 47°F
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 49 mi43 min 58°F
PTBM6 - 8741003 - Petit Bois Island, MS 49 mi199 min SW 15 G 18 59°F 1006.3 hPa

Wind History for Bay Waveland Yacht Club, MS
(wind in knots)    EDIT      (on/off)   Help
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
Last
24hr
S5
S9
S7
G10
S8
S6
G10
S7
S6
G9
S8
G12
S6
G10
S6
S6
G9
S8
G13
S8
G12
S9
G18
S13
G17
W9
G15
W8
G11
W9
G12
W10
G16
W9
G15
NW15
G24
NW18
G30
NW19
G27
NW20
G27
1 day
ago
S6
SW5
SW5
G8
W2
SW7
G10
W4
W4
NW2
W2
W2
--
SW2
W2
SW3
S4
SW5
SE7
SE6
SE8
SE7
SE9
SE8
SE10
SE10
2 days
ago
S3
SW3
S2
W2
N1
--
E3
NE3
SE4
E3
--
SE5
SE4
SE6
SE5
SE5
SE7
SE4
SE6
G9
SE7
SE7
SE7
S4

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bay St. Louis, Stennis International Airport, MS16 mi32 minWNW 16 G 2810.00 miOvercast45°F37°F76%1012.9 hPa

Wind History from ASD (wind in knots)
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
Last 24hrS6S10SE9S11S6S8S8S8S8S8S10
G18
S11S12
G23
S17
G23
W12
G24
3SW7SW11
G18
W10
G18
NW11
G19
NW9
G20
NW13
G23
NW7
G19
NW8
G19
1 day agoS6S565SW3SW3CalmCalmS3CalmCalmCalmSW43S4SW4S4SW4S6SE5SE6SE5SE9S4
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3CalmCalmSE5SE5S5S7S7SE6SE7SE6SE5SE3S4

Tide / Current Tables for Long Point, Lake Borgne, Louisiana
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Long Point
Click for Map
Sat -- 05:15 AM CST     Moonset
Sat -- 06:54 AM CST     Sunrise
Sat -- 09:21 AM CST     -0.62 feet Low Tide
Sat -- 03:58 PM CST     Moonrise
Sat -- 05:23 PM CST     Sunset
Sat -- 10:45 PM CST     1.08 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
0.90.70.60.30.1-0.1-0.3-0.5-0.6-0.6-0.6-0.6-0.5-0.3-0.2-00.20.40.50.70.911.11.1

Tide / Current Tables for Grand Pass, Louisiana
   EDIT      (on/off)   Help   One Week of Data
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map and Satellite Images
       (on/off)   HelpWeather Map
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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New Orleans/Baton Rouge, LA (21,6,7,8)
      (on/off)   Help

Ground Weather Radar Station New Orleans/Baton Rouge, LA
   (on/off)   Help
weather_mapweather_map weather_map

Gulf Stream Current


Ad by Google

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.