Friday, October18, 2019 L-36.com


Marine Weather and Tides
Waveland, MS

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:02AMSunset 6:26PM Friday October 18, 2019 6:35 PM CDT (23:35 UTC) Moonrise 9:57PMMoonset 11:19AM Illumination 72% Phase: Waning Gibbous; Moon at 20 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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GMZ534 Lake Borgne- 426 Pm Cdt Fri Oct 18 2019
.small craft advisory in effect until 10 pm cdt this evening...
Tonight..Northeast winds 20 to 25 knots easing to 15 to 20 knots overnight. Waves 3 to 5 feet subsiding to 2 to 4 feet. Dominant period 4 seconds. Chance of showers in the evening.
Saturday..Northwest winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Saturday night..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Sunday..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Sunday night..South winds near 10 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Monday..South winds near 10 knots. Waves 1 to 3 feet. Dominant period 4 seconds. Chance of showers and slight chance of Thunderstorms in the morning, then showers and Thunderstorms in the afternoon.
Monday night..Southwest winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Waves 1 foot or less. Dominant period 4 seconds. Waves or seas building to 2 to 4 feet. Dominant period 4 seconds after midnight. Showers likely in the evening. Chance of Thunderstorms through the night. Chance of showers after midnight.
Tuesday..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms through the day.
Tuesday night..North winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Wednesday..Northeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 426 Pm Cdt Fri Oct 18 2019
Synopsis..Tropical storm nestor will move northeast across the north central gulf of mexico tonight, just beyond 60 nautical miles offshore from the mouth of the mississippi river and mississippi coast, before reaching central florida panhandle early Saturday morning. High pressure will build in behind this system on Saturday and Sunday before another cold front sweeps through on Monday. High pressure will settle in behind this front on Tuesday.


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


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 182208
afdlix
area forecast discussion
national weather service new orleans la
508 pm cdt Fri oct 18 2019

Short term (tonight through Sunday)
Main change this forecast issuance is to drop the tropical storm
warning for land areas. Tropical storm nestor, which was named
with the 1 pm advisory today, is forecast to have it's center move
just beyond the 60 nautical mile coastal waters ring tonight
before reaching the florida panhandle coast near apalachicola
early Saturday morning. This is expected to keep the tropical
storm force winds over the coastal waters where the tropical
headlines remain in effect. The heavier rain is also expected to
remain mostly offshore with mainly light to occasionally moderate
rain expected over mainly coastal areas. The main concern through
the next high tide cycle later on tonight into early Saturday
morning will be minor coastal flooding with inundation of 1 to 2
feet expected in the lowest lying areas near the coast and
lakeshore. Flooding has already occurred near the time of high
tide in portions of st. Tammany parish and hancock county this
morning, and mdl extra-tropical storm surge guidance indicates a
rise of .5 to .75 feet compared to the high tide cycle earlier
today. It is possible these values may be overdone since winds are
shifting around to more northerly tonight, but minor coastal
flooding is still likely.

Surface high pressure will take hold over the weekend which will
result in dry and pleasant conditions with abundant sunshine on
Saturday and partly to mostly sunny skies on Sunday. The
mid upper level flow pattern is expected to be zonal then
southwesterly across the forecast area as a large and potent
shortwave trough moves through the rockies into the central and
southern high plains region. Temperatures will warm quite a bit
compared to today and return to near normal for highs Saturday and
above normal on Sunday.

Long term (Monday through Thursday)
The larger scale shortwave trough will move east through the
plains into the mississippi valley region Monday and Monday night
with the associated cold front pushing east into and through the
forecast area. There will be ample moisture, shear and instability
for fairly widespread showers and thunderstorms with potential for
some strong to severe thunderstorms. Monday currently has a 15%
probability severe area outlooked by storm prediction center
across portions of the deep south with the southern portion
extending into the southwest mississippi counties. Will likely see
some fine tuning of this outlook and a larger "marginal" risk
area for the 5% severe probability area when the new day 3 outlook
for Monday Monday night is issued late tonight.

Cooler and drier weather will follow the cold frontal passage
Monday night through Thursday with the next system bringing
another round of showers and thunderstorms Thursday night into
Friday. 22 td

Aviation
Vfr conditions prevail at all area airports. Vicinity showers
with wind shifts greater than 30 degrees and gusty winds are
likely along the coastal airports this afternoon into the evening
hours, especially hum and gpt. These vicinity showers could cause
temporary lower CIGS and visibilities, as well. Msw

Marine
Tropical storm nestor will move northeast across the
north central gulf of mexico tonight, just beyond 60 nautical
miles offshore from the mouth of the mississippi river and
mississippi coast, before reaching central florida panhandle early
Saturday morning. Tropical storm conditions are expected across
most of the coastal waters as nestor moves northeast tonight and
early Saturday. Conditions will improve from the west Saturday
through Sunday as high pressure builds into the central gulf
coast region.

A potent storm system and cold front will move approach and move
through the coastal waters Monday and Monday night. Fairly
widespread showers and thunderstorms are expected to occur ahead
and along the cold front, and some strong to severe thunderstorms
could occur. Southerly winds are expected to rise to near 15 knot
at times ahead of the front late Sunday night into Monday then
shift to north to northeast 15 to 20 knots behind the front late
Monday night though Wednesday morning. 22 td

Decision support
Dss code: orange.

Deployed: forecaster deployed to support city of new orleans for
building collapse.

Activation: none.

Activities: forecast support to new orleans for building collapse.

Monitoring possible tropical development in gulf.

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, or direct tropical threats; events of
national significance.

Preliminary point temps pops
Mcb 54 79 58 83 10 10 0 10
btr 56 80 62 84 0 0 0 20
asd 56 81 60 85 20 10 0 10
msy 62 81 65 85 20 0 0 10
gpt 59 79 62 82 30 10 0 10
pql 58 80 59 83 50 10 0 10

Lix watches warnings advisories
La... Coastal flood advisory until 9 am cdt Saturday for laz040-050-
058-060>064-067>070-072.

Wind advisory until 4 am cdt Saturday for laz069-070.

Gm... Tropical storm warning for gmz532-536-538-550-552-555-557-570-
572-575-577.

Small craft advisory until 10 pm cdt this evening for gmz530-534.

Ms... Coastal flood advisory until 9 am cdt Saturday for msz080>082.

Gm... Tropical storm warning for gmz536-538-550-552-555-557-570-572-
575-577.

Small craft advisory until 10 pm cdt this evening for gmz534.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 15 mi155 min NNE 16 G 18
SHBL1 - 8761305 - Shell Beach, LA 22 mi47 min NNE 20 G 24 1007.5 hPa
NWCL1 - 8761927 - New Canal, LA 37 mi47 min NNE 15 G 18 1007.2 hPa
CARL1 40 mi47 min 73°F
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 49 mi53 min 76°F
PTBM6 - 8741003 - Petit Bois Island, MS 49 mi53 min NE 23 G 29 62°F 1007.3 hPa

Wind History for Bay Waveland Yacht Club, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bay St. Louis, Stennis International Airport, MS16 mi44 minNNE 910.00 miMostly Cloudy64°F53°F68%1008.1 hPa

Link to 5 minute data for KASD

Wind History from ASD (wind in knots)
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Last 24hrN5NE5NE4N5N4N5NE4NE54NE3NE5E4NE4N5NE8NE5NE5NE7NE6NE5N8N11N9N8
1 day agoN9N8N7N43N12N6NE5N4N6N7CalmN3NE4N7NE9E7NE5E6N4NE4N5N4N3
2 days agoCalmN11N3CalmSW5SW3CalmCalmCalmCalmCalmCalmCalmN53N3CalmN54N4N12N5N11N6

Tide / Current Tables for Long Point, Lake Borgne, Louisiana
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Long Point
Click for Map
Fri -- 02:57 AM CDT     1.25 feet High Tide
Fri -- 07:02 AM CDT     Sunrise
Fri -- 11:19 AM CDT     Moonset
Fri -- 02:20 PM CDT     0.11 feet Low Tide
Fri -- 06:24 PM CDT     Sunset
Fri -- 09:57 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11.21.21.31.21.21.10.90.80.60.50.30.20.10.10.10.20.20.30.40.60.70.81

Tide / Current Tables for Grand Pass, Louisiana
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map
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wmap_A
GEOS 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 (19,4,5,8)
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Ground Weather Radar Station New Orleans/Baton Rouge, LA
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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.