Sunday, September27, 2020
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Marine Weather and Tides
Hackberry, LA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 7:05AMSunset 7:06PM Sunday September 27, 2020 12:12 PM CDT (17:12 UTC) Moonrise 4:09PMMoonset 2:07AM Illumination 79% Phase: Waxing Gibbous; Moon at 10 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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GMZ432 Calcasieu Lake- 925 Am Cdt Sun Sep 27 2020
Rest of today..South winds 5 to 10 knots. Lake waters a light chop.
Tonight..South winds 5 to 10 knots. Lake waters a light chop.
Monday..Southwest winds 5 to 10 knots becoming northwest 10 to 15 knots in the afternoon. Lake waters a light chop increasing to choppy in the afternoon. Chance of showers in the morning, then showers likely and slight chance of Thunderstorms in the afternoon.
Monday night..North winds 10 to 15 knots. Lake waters choppy. Slight chance of showers in the evening.
Tuesday..North winds 10 to 15 knots. Lake waters choppy.
Tuesday night..North winds 10 to 15 knots. Lake waters choppy.
Wednesday..Northwest winds 5 to 10 knots. Lake waters a light chop.
Wednesday night..West winds 5 to 10 knots. Lake waters a light chop.
Thursday..Northwest winds 5 to 10 knots. Lake waters a light chop.
Thursday night..Northwest winds 5 to 10 knots becoming north after midnight. Lake waters a light chop.
GMZ400 Synopsis For Lower Atchafalaya River La To High Island Tx Out 60 Nm Including Sabine And Calcasieu Lakes And Vermilion Bay 925 Am Cdt Sun Sep 27 2020
Synopsis.. A rather sharp cold front will move through the coastal waters by late Monday. This front will bring a chance for showers and a few Thunderstorms. Winds will become northerly behind the front and be rather brisk, along with building seas into Tuesday.


7 Day Forecast for Marine Location Near Hackberry, LA
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location: 29.85, -93.43     debug


Area Discussion for - Lake Charles, LA
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FXUS64 KLCH 271505 AAA AFDLCH

Area Forecast Discussion . UPDATED National Weather Service Lake Charles LA 1005 AM CDT Sun Sep 27 2020

UPDATE. Appears much of the low clouds and fog stayed north of the forecast area this morning. A warm humid rain-free afternoon is expected with most areas reaching the mid to upper 80s.

Current forecast is generally on track. Will be tweaking temps and winds only.

PREV DISCUSSION . /issued 421 AM CDT Sun Sep 27 2020/

SYNOPSIS . A rather warm and somewhat humid Sunday is expected to end this weekend over the forecast area. However, a rather sharp cold front will move across during the day on Monday. This front will bring a high chance for showers, along with a few thunderstorms. A much cooler and drier air mass will move in behind the front, providing a prolonged period of fair weather conditions, with cool nights and comfortable days.

Rua

DISCUSSION . Starting out this Sunday with rather seasonal temperatures with readings in the mid to upper 60s. Dew point readings are also in the mid to upper 60s as low level Gulf moisture gradually increases over the region. With light winds, clear skies, and the increase in low level moisture, patchy fog is once again developing. At times visibilities are being reported below 1/2 mile. Expect the fog to remain patchy through sunrise, then slowly lift by mid morning with the onset of daytime heating.

Should be a rather warm Sunday, with temperatures in the mid to upper 80s and heat index values back up over 90. However, mid level dry layer should keep a cap in place and not expecting shower activity today.

A change in the weather pattern will bring changes to conditions over the forecast area beginning on Monday. An upper level ridge will amplify over the western US. This will buckle the jet stream and allow a potent short wave to drop down out of Canada and across the US east of the Rockies. An associated sharp cold front at the surface will also move down with the short wave reaching the forecast area by mid morning on Monday, and into the coastal waters by late afternoon/early evening Monday.

Ahead of the front, Gulf moisture will continue to stream in, with precipitable water values eventually pooling along the frontal zone with values between 1.75 and 2 inches, which are between the 75th and 90th percentile for daily SPC climo values. Forecast soundings show the dry layer in the mid levels holding, despite the increase in Gulf moisture, with a cap in place. Therefore, showers will likely have to wait until low level forcing with front takes place, and shower activity will be located mainly along and behind the front.

Modest CAPE values, and elevated instability, should be enough for a few thunderstorms to develop with the shower activity. However, shear values look rather weak, and lapse rates are very marginal, so not expecting the storms to become too intense, with brief moderate to heavy rainfall, and an occasional cloud to ground lightning strike the main hazards.

Northerly flow behind the front will bring in a dry continental air mass with pleasant weather conditions to the forecast area. Temperatures will be below seasonal norms, especially on Wednesday morning, with forecasted temperatures in the low to mid 50s and these are some 10 or more degrees below daily climo norms.

The weather pattern will then not change much during the upcoming week, with the upper level ridge out west remaining amplified and a deep upper level trough over the eastern US. Therefore, northwest flow will remain over the forecast area to bring a prolonged period of dry weather and rather pleasant conditions.

A reinforcing cold front will move down in the northwest flow on Friday. With moisture profiles rather meek, this frontal passage should be dry.

Rua

MARINE . A surface ridge has continued to move further to the east and is now centered over the southeast US. The ridge is rather weak and a light southerly flow is expected for today into tonight.

A rather sharp cold front will be moving into the coastal waters by late Monday morning and exit the coastal waters by Monday evening. This front will bring a chance for showers and a few thunderstorms. The main hazard from any thunderstorm that does develop will be cloud to water lightning.

A much cooler and drier air mass behind the front will spread over the warm Gulf waters. This will make for an increasing north wind and building seas. The winds will be most brisk from Monday evening through Tuesday morning, and a small craft advisory may be needed during that time frame.

High pressure will settle in by mid week with mainly a light offshore persisting.

Rua

PRELIMINARY POINT TEMPS/POPS. AEX 66 79 55 74 / 0 80 20 10 LCH 72 84 58 76 / 10 80 20 10 LFT 70 85 57 75 / 10 80 30 10 BPT 72 83 58 77 / 10 60 20 0

LCH WATCHES/WARNINGS/ADVISORIES. LA . None. TX . None. GM . None.

PUBLIC . 04


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CAPL1 - 8768094 - Calcasieu Pass, LA 7 mi54 min S 7 G 9.9 80°F 78°F1010.8 hPa
BKTL1 24 mi60 min 81°F
SBPT2 - 8770570 - Sabine Pass North, TX 25 mi60 min 82°F 80°F1013.9 hPa
TXPT2 25 mi54 min Calm G 0 1010.5 hPa
PORT2 - 8770475 - Port Arthur, TX 27 mi54 min SSE 5.1 G 12 83°F 79°F1011.8 hPa

Wind History for Calcasieu Pass, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lake Charles Regional Airport, LA22 mi79 minSSW 910.00 miA Few Clouds82°F71°F70%1012.5 hPa

Link to 5 minute data for KUXL

Wind History from UXL (wind in knots)
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Last 24hrE7NE6NE6NE8NE8NE6NE10
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1 day agoE5NE5N3N4NE4N3N3NE4N5NE10N7N6N4N10NE6NE3NE4NE5N3NE7E7NE5E4E6
2 days agoE4E3E3CalmCalmCalmNE3NE4NE7NE8NE9E10NE7
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NE9NE10NE9NE7E4E3CalmCalmNE8

Tide / Current Tables for Calcasieu Pass, Lighthouse wharf, Louisiana (2)
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Calcasieu Pass
Click for Map
Sun -- 01:44 AM CDT     2.55 feet High Tide
Sun -- 03:06 AM CDT     Moonset
Sun -- 07:04 AM CDT     Sunrise
Sun -- 08:33 AM CDT     2.06 feet Low Tide
Sun -- 10:24 AM CDT     2.14 feet High Tide
Sun -- 05:08 PM CDT     Moonrise
Sun -- 07:03 PM CDT     Sunset
Sun -- 07:11 PM CDT     0.37 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.32.52.52.52.42.32.22.12.12.12.12.121.81.61.20.90.60.50.40.40.71.11.6

Tide / Current Tables for Calcasieu Pass, Lighthouse wharf, Louisiana
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Calcasieu Pass
Click for Map
Sun -- 01:45 AM CDT     2.10 feet High Tide
Sun -- 03:06 AM CDT     Moonset
Sun -- 07:04 AM CDT     Sunrise
Sun -- 07:54 AM CDT     1.07 feet Low Tide
Sun -- 12:08 PM CDT     1.43 feet High Tide
Sun -- 05:08 PM CDT     Moonrise
Sun -- 07:00 PM CDT     -0.10 feet Low Tide
Sun -- 07:03 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.82.12.121.81.51.31.11.11.11.21.41.41.41.20.90.60.2-0-0.1-00.30.71.1

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Lake Charles, LA
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weather_mapweather_map weather_map

Gulf Stream Current



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