Sunday, June13, 2021
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Marine Weather and Tides
Gueydan, LA

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 6:04AMSunset 8:10PM Sunday June 13, 2021 9:27 AM CDT (14:27 UTC) Moonrise 7:45AMMoonset 10:09PM Illumination 13% Phase: Waxing Crescent; Moon at 3 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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GMZ452 Coastal Waters From Intracoastal City To Cameron La Out 20 Nm- 400 Am Cdt Sun Jun 13 2021
Today..West winds 5 to 10 knots. Seas 1 to 2 feet. Slight chance of showers and Thunderstorms.
Tonight..West winds 5 to 10 knots. Seas 1 to 2 feet. Chance of showers and Thunderstorms after midnight.
Monday..West winds 5 to 10 knots. Seas 1 foot or less. Chance of showers and Thunderstorms.
Monday night..West winds around 5 knots. Seas 1 foot or less. Slight chance of showers and Thunderstorms through the night.
Tuesday..Northwest winds around 5 knots becoming south in the afternoon. Seas 1 foot or less. Slight chance of showers and Thunderstorms in the afternoon.
Tuesday night..Southwest winds around 5 knots. Seas 1 foot or less.
Wednesday..North winds around 5 knots becoming southeast in the afternoon. Seas 1 foot or less. Slight chance of showers and Thunderstorms through the day.
Wednesday night..Southeast winds around 5 knots becoming east after midnight. Seas 1 foot or less.
Thursday..East winds 5 to 10 knots. Seas 1 foot or less.
Thursday night..Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
GMZ400 Synopsis For Lower Atchafalaya River La To High Island Tx Out 60 Nm Including Sabine And Calcasieu Lakes And Vermilion Bay 400 Am Cdt Sun Jun 13 2021
Synopsis.. Light onshore flow along with low wave heights will continue through the next few days as high pressure continues to ridge across the northern gulf of mexico. Rain chances return later this afternoon with better chances for the coastal waters overnight/tomorrow morning. Beyond that period low end pops generally less than 20% are expected through the next few days. Increasing pressure gradient across the gulf will increase winds and seas by Thursday.


7 Day Forecast for Marine Location Near Gueydan, LA
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location: 29.57, -92.64     debug


Area Discussion for - Lake Charles, LA
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FXUS64 KLCH 131146 AFDLCH

Area Forecast Discussion National Weather Service Lake Charles LA 646 AM CDT Sun Jun 13 2021

AVIATION.

Low clouds/reduced visibility ongoing at BPT/LCH should lift over the next hour or so with VFR conditions then prevailing through the remainder of the morning. By the midday, the main concern becomes the development of isolated to scattered showers and thunderstorms. Currently expecting showers to begin popping up around the Acadiana terminals later this morning then increase in coverage through the afternoon. However, at this time we are not expecting widespread precip so have opted to keep mention of precip as VCTS/VCSH for the afternoon. Showers largely clear out overnight, however, some guidance depicts some showers/thunderstorms moving across Acadiana/AEX through the early morning hours tomorrow, so will have to keep an eye on that. Otherwise, Light west to northwest winds and mainly scattered cloud cover will continue.

PREV DISCUSSION. /issued 353 AM CDT Sun Jun 13 2021/

DISCUSSION .

Short Term (Through Wednesday morning) .

Surface analysis early this morning shows broad/weak high pressure ridging across the Gulf Coast from the Atlantic, while a cold front is draped to our north across OK/AR. Aloft, a broad ridge is situated over the desert SW and across TX, while a deepening trof is located to our east, over Georgia/The Carolinas. The mid/upper level ridge will continue to gradually retreat westward today, while the trough to our east will dig south across the Eastern Gulf. With the CWA becoming situated between these two features, a return of showers and thunderstorms is expected today. POPs will remain fairly low through the morning, but should begin to increase through the afternoon during peak heating hours. Short term guidance is really not in good agreement about where these showers will occur today, however, it seems likely that the best coverage will set up across central LA/Acadiana where the influence of the upper ridge is lesser. Tonight, rain chances will shift south into the coastal waters, with dry, warm, and partly cloudy weather expected inland.

Moving into the work week, we will remain between the upper ridge to our west and the upper trough to our east. Meanwhile, a weak surface boundary will become situated along the Gulf Coast and should provide a enough lift for another round of shower and thunderstorm activity tomorrow. POPs once again look best through the afternoon, especially along the I-10 corridor, and should taper off through the evening with the loss of heating. Guidance tapers rain chances down on a bit for Tuesday as the upper ridge looks to gain some influence once again, with POPs around 20-30% expected. Otherwise, temps look to hold steady through the period, with highs in the low to mid-90s and lows in the mid to upper 70s expected each day.

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LONG TERM [Wednesday through Saturday] .

For WED and THU, NW Gulf Coast region will remain within the SE flank of an expansive deep layer ridge centered over the Four Corners and to the west of a digging ERN CONUS trof. Guidance has generally trended warmer with temperatures and lower with rain chances during this time period, with the ridge progged to have a greater influence. High temperatures in the lower to mid 90s are expected, with max afternoon apparent temperatures topping out in the upper 90s to lower 100s.

High uncertainty continues with the forecast for FRI and the upcoming weekend, with a large degree of spread in guidance regarding possible tropical development over the Bay of Campeche/southern Gulf of Mexico and a subsequent northward movement toward the northwest or north central Gulf Coast.

While there continues to be good consensus on something being there, the details on timing/strength/path remain fuzzy. Will continue to monitor trends over the next several days, but given the uncertainty, kept leaning heavily on the NBM, which shows increasing rain chances FRI and especially SAT, along with slightly cooler afternoon highs owing to the increase in cloud cover/PCPN.

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MARINE .

West winds around 05-10 kts and seas around 1-2 ft will continue through tomorrow night. Winds become lighter and more variable overnight into Tuesday, before eventually returning to a typical southeasterly flow by Wednesday. Rain chances return to the forecast today, with the best coverage expected across the coastal waters overnight/early tomorrow morning. Beyond tomorrow, rain chances look low each day, generally less than 20%. Later in the week winds and seas begin to pick up and rain chances increase as the pressure gradient tightens.

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PRELIMINARY POINT TEMPS/POPS. AEX 95 75 95 75 / 40 30 30 10 LCH 94 76 93 76 / 40 30 50 10 LFT 93 76 92 75 / 50 30 50 20 BPT 94 76 94 75 / 30 20 50 10

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FRWL1 - 8766072 - Fresh Water Canal Locks, LA 18 mi57 min WSW 8.9 G 12
CAPL1 - 8768094 - Calcasieu Pass, LA 40 mi57 min WNW 9.9 G 13 83°F 85°F1013.5 hPa

Wind History for Calcasieu Pass, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for KVNP

Wind History from VNP (wind in knots)
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Tide / Current Tables for Mermentau River entrance, Louisiana
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Mermentau River entrance
Click for Map
Sun -- 06:11 AM CDT     Sunrise
Sun -- 07:19 AM CDT     2.76 feet High Tide
Sun -- 08:46 AM CDT     Moonrise
Sun -- 08:13 PM CDT     Sunset
Sun -- 11:12 PM CDT     Moonset
Sun -- 11:51 PM CDT     -0.35 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.300.51.11.72.22.62.82.72.72.62.52.52.42.42.32.11.91.61.30.80.4-0-0.3

Tide / Current Tables for Lighthouse Point, Louisiana
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Lighthouse Point
Click for Map
Sun -- 06:07 AM CDT     Sunrise
Sun -- 07:57 AM CDT     2.16 feet High Tide
Sun -- 08:42 AM CDT     Moonrise
Sun -- 08:09 PM CDT     Sunset
Sun -- 10:33 PM CDT     -0.27 feet Low Tide
Sun -- 11:07 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-00.30.611.41.722.12.22.1221.91.91.81.71.61.41.10.70.3-0-0.2-0.3

Weather Map
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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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