Thursday, October28, 2021
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Marine Weather and Tides
Diamondhead, MS

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:06AMSunset 6:13PM Thursday October 28, 2021 4:31 PM CDT (21:31 UTC) Moonrise 12:00AMMoonset 2:01PM Illumination 45% Phase: Third Quarter Moon; Moon at 23 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- 334 Pm Cdt Thu Oct 28 2021
.gale warning in effect through Friday afternoon...
.small craft advisory in effect from Friday afternoon through Saturday morning...
Tonight..West winds 20 to 25 knots. Waves 3 to 6 feet. Dominant period 4 seconds.
Friday..West winds 20 to 25 knots. Waves 3 to 6 feet. Dominant period 4 seconds. Slight chance of showers in the afternoon.
Friday night..Northwest winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Saturday..Northwest winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Saturday night..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Sunday..North winds near 10 knots becoming west late in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds.
Sunday night..Northwest winds near 10 knots becoming northeast in the late evening. 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..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday..Northeast winds 10 to 15 knots becoming east in the afternoon. Waves 1 to 3 feet. Dominant period 4 seconds.
Tuesday night..East 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- 334 Pm Cdt Thu Oct 28 2021
Synopsis..Hazardous conditions are expected to continue through the end of the week, especially over the open waters.


7 Day Forecast for Marine Location Near Diamondhead, MS
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location: 30.36, -89.34     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 282124 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 424 PM CDT Thu Oct 28 2021

Discussion.

Deep closed upper low with an associated 992 mb surface low currently sitting over the middle MS River value will bring much colder and dryer air into the forecast zones through the weekend. Upper low will drag slowly into the middle TN valley by Friday bringing cold-air advection through the next 24 hours. The deepest cold air advection will begin to occur later tonight and into Friday as low pulls off to the east wrapping cooler air onto the back side of it. Dropped MAX-T's down into the lower 60s north of the I-10/12 corridors for Friday as model soundings showing dewpoints depressions near zero around 850 mb. This could hold in throughout much of the daytime on Friday as cold air advection aids in cloud cover development especially far northern zones where highs on Friday will struggle to make it out of the upper 50s Friday afternoon. Winds will continue to be strong though Friday especially south of the lake as strong surface gradient of 10MB within 300 miles gradually lifts away as low departs . diminishing gradient thus the winds as well by Friday evening. Upper trough will finally move off the the mid-Atlantic as flow gradually becomes more zonal over the mid and Gulf south by Sunday. This will allow for a slow warming trend on Sunday with temperatures rebounding back up into the middle 70s on Sunday under clear skies and high pressure. Weather remains quiet through mid-week as high pressure remains in place over the forecast zones. An upper level trough swings down through the Arklatex and mid south on Wednesday bringing the next chance of rain Wednesday night/ Thursday. At this time it appears to be starved of tapping Gulf moisture as trough comes in on a positive tilt lacking airmass recovery as we work our way into early November.

AVIATION. VFR conditions will prevail as skies remain SKC through 00z. Winds will gust in access of 35 knots at NEW, MSY and HUM this afternoon. Ceilings will drop tonight as a BKN to OVC mid-level cloud deck rolls in and will remain in place through at least 18Z Friday.


MARINE. Gale warning remains in effect over the open coastal waters through midday Friday as a tight pressure gradient and cold air advection moves over warm waters. This will bring gusty winds along with elevated seas through the end of the week. Winds will finally begin to relax Friday evening into early Saturday as high pressure begins to settle into the coastal waters. Winds will gradually become more east . northeasterly by late Sunday into Monday.

PRELIMINARY POINT TEMPS/POPS. MCB 51 57 47 69 / 10 20 0 0 BTR 52 62 48 70 / 0 10 0 0 ASD 52 62 47 71 / 10 10 0 0 MSY 57 66 53 71 / 0 10 0 0 GPT 53 61 51 71 / 10 20 0 0 PQL 53 62 50 70 / 10 20 0 0

LIX WATCHES/WARNINGS/ADVISORIES. LA . Wind Advisory until 7 PM CDT this evening for LAZ034>037-039- 046>050-056>061-063>072-075>078.

GM . Small Craft Advisory from 1 PM Friday to 7 AM CDT Saturday for GMZ532-536-538-550-552-555-557-570-572-575-577.

Gale Warning until 1 PM CDT Friday for GMZ532-536-538-550-552- 555-557-570-572-575-577.

Small Craft Advisory until 7 PM CDT Friday for GMZ530-534.

MS . Wind Advisory until 7 PM CDT this evening for MSZ077-080>082.

GM . Small Craft Advisory from 1 PM Friday to 7 AM CDT Saturday for GMZ536-538-550-552-555-557-570-572-575-577.

Gale Warning until 1 PM CDT Friday for GMZ536-538-550-552-555- 557-570-572-575-577.

Small Craft Advisory until 7 PM CDT Friday for GMZ534.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 2 mi44 min W 15G23 70°F 74°F1001.4 hPa
SHBL1 - 8761305 - Shell Beach, LA 38 mi44 min W 22G29 71°F 78°F1002 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 41 mi44 min 73°F
PTBM6 - 8741003 - Petit Bois Island, MS 45 mi44 min WSW 29G36 73°F 1000.8 hPa
NWCL1 - 8761927 - New Canal, LA 47 mi44 min W 17G23 69°F 76°F1001.9 hPa

Wind History for Bay Waveland Yacht Club, MS
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bay St. Louis, Stennis International Airport, MS6 mi45 minW 1410.00 miMostly Cloudy72°F46°F41%1001.4 hPa
Gulfport - Gulfport-Biloxi International Airport, MS15 mi39 minW 16 G 2410.00 miA Few Clouds72°F44°F37%1000.5 hPa
Keesler Air Force Base / Biloxi, MS23 mi36 minW 9 G 1610.00 miA Few Clouds74°F46°F36%1000.3 hPa

Link to 5 minute data for KHSA

Wind History from HSA (wind in knots)
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Last 24hrSE15
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SE15SE15S80------------------SW4SW4SW6SW13
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1 day agoSE44S600------------------4E45E6SE11SE14SE15SE12
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2 days agoNW6NW5000------------------05NE100440644

Tide / Current Tables for Waveland, Mississipi Sound, Mississippi
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Waveland
Click for Map
Thu -- 04:22 AM CDT     2.02 feet High Tide
Thu -- 07:08 AM CDT     Sunrise
Thu -- 02:01 PM CDT     Moonset
Thu -- 03:06 PM CDT     Last Quarter
Thu -- 04:18 PM CDT     0.40 feet Low Tide
Thu -- 06:12 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.7
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Tide / Current Tables for Cat Island (West Point), Mississippi
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Cat Island (West Point)
Click for Map
Thu -- 03:10 AM CDT     2.04 feet High Tide
Thu -- 07:08 AM CDT     Sunrise
Thu -- 02:00 PM CDT     Moonset
Thu -- 03:06 PM CDT     Last Quarter
Thu -- 03:34 PM CDT     0.14 feet Low Tide
Thu -- 06:12 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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GEOS Local Image of    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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