Marine Weather and Tide Forecast for Oyster Creek, TX
April 21, 2025 7:08 AM CDT (12:08 UTC) Change Location
![]() | Sunrise 6:47 AM Sunset 7:52 PM Moonrise 1:50 AM Moonset 12:25 PM |
GMZ355 Expires:202504212100;;191870 Fzus54 Khgx 210812 Cwfhgx
coastal waters forecast for texas national weather service houston/galveston tx 312 am cdt Mon apr 21 2025
upper texas coastal waters from high island to the matagorda ship channel out 60 nautical miles including galveston and matagorda bays.
seas are provided as a range of the average height of the highest 1/3 of the waves - .along with the occasional height of the average highest 10 percent of the waves.
gmz350-355-212100- coastal waters from freeport to matagorda ship channel tx out 20 nm-coastal waters from high island to freeport tx out 20 nm- 312 am cdt Mon apr 21 2025
.small craft should exercise caution - .
Today - Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave detail: southeast 5 feet at 8 seconds. A chance of showers and Thunderstorms.
Tonight - Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave detail: southeast 4 feet at 8 seconds. A slight chance of showers and Thunderstorms late.
Tuesday - Southeast winds around 10 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 8 seconds and south 1 foot at 7 seconds.
Tuesday night - Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 4 feet at 7 seconds.
Wednesday - Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave detail: southeast 3 feet at 7 seconds. A chance of showers and Thunderstorms.
Wednesday night - Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave detail: southeast 4 feet at 7 seconds.
Thursday - Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Thursday night - Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Friday - Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Friday night - Southeast winds around 10 knots. Seas 3 to 5 feet.
winds and seas higher in and near Thunderstorms.
coastal waters forecast for texas national weather service houston/galveston tx 312 am cdt Mon apr 21 2025
upper texas coastal waters from high island to the matagorda ship channel out 60 nautical miles including galveston and matagorda bays.
seas are provided as a range of the average height of the highest 1/3 of the waves - .along with the occasional height of the average highest 10 percent of the waves.
gmz350-355-212100- coastal waters from freeport to matagorda ship channel tx out 20 nm-coastal waters from high island to freeport tx out 20 nm- 312 am cdt Mon apr 21 2025
winds and seas higher in and near Thunderstorms.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 312 Am Cdt Mon Apr 21 2025
Synopsis for high island to the matagorda ship channel out 60 nm including galveston and matagorda bays
winds and seas are expected to continue to decrease through the morning. There is a chance of isolated to scattered showers and Thunderstorms this morning into this afternoon, with a daily risk of showers and Thunderstorms through much of this week. Onshore winds and seas are expected to increase by the middle of the week.
winds and seas are expected to continue to decrease through the morning. There is a chance of isolated to scattered showers and Thunderstorms this morning into this afternoon, with a daily risk of showers and Thunderstorms through much of this week. Onshore winds and seas are expected to increase by the middle of the week.
7 Day Forecast for Marine Location Near Oyster Creek, TX

NEW! Add second zone forecast
Christmas Point Click for Map Mon -- 02:49 AM CDT Moonrise Mon -- 06:48 AM CDT Sunrise Mon -- 07:19 AM CDT 0.07 feet Low Tide Mon -- 01:25 PM CDT Moonset Mon -- 04:39 PM CDT 0.97 feet High Tide Mon -- 07:50 PM CDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |   |
Christmas Point, Christmas Bay, Texas, Tide feet
12 am |
0.8 |
1 am |
0.7 |
2 am |
0.6 |
3 am |
0.5 |
4 am |
0.3 |
5 am |
0.2 |
6 am |
0.1 |
7 am |
0.1 |
8 am |
0.1 |
9 am |
0.1 |
10 am |
0.2 |
11 am |
0.4 |
12 pm |
0.5 |
1 pm |
0.7 |
2 pm |
0.8 |
3 pm |
0.9 |
4 pm |
1 |
5 pm |
1 |
6 pm |
0.9 |
7 pm |
0.9 |
8 pm |
0.9 |
9 pm |
0.9 |
10 pm |
0.8 |
11 pm |
0.8 |
Alligator Point Click for Map Mon -- 02:49 AM CDT Moonrise Mon -- 06:47 AM CDT Sunrise Mon -- 07:21 AM CDT 0.07 feet Low Tide Mon -- 01:25 PM CDT Moonset Mon -- 04:46 PM CDT 0.97 feet High Tide Mon -- 07:50 PM CDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |   |
Alligator Point, West Bay, Texas, Tide feet
12 am |
0.8 |
1 am |
0.7 |
2 am |
0.6 |
3 am |
0.5 |
4 am |
0.3 |
5 am |
0.2 |
6 am |
0.1 |
7 am |
0.1 |
8 am |
0.1 |
9 am |
0.1 |
10 am |
0.2 |
11 am |
0.4 |
12 pm |
0.5 |
1 pm |
0.7 |
2 pm |
0.8 |
3 pm |
0.9 |
4 pm |
1 |
5 pm |
1 |
6 pm |
0.9 |
7 pm |
0.9 |
8 pm |
0.9 |
9 pm |
0.9 |
10 pm |
0.8 |
11 pm |
0.8 |
Area Discussion for Houston/Galveston, TX
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FXUS64 KHGX 211135 AFDHGX
Area Forecast Discussion National Weather Service Houston/Galveston TX 635 AM CDT Mon Apr 21 2025
New AVIATION
SHORT TERM
(Today through Tuesday Night)
Issued at 214 AM CDT Mon Apr 21 2025
The slow-moving boundary that pushed into the area yesterday has stalled along a line extending from southern Austin County northeastwards through NW Harris, Montgomery, San Jacinto and then up through Polk County. This boundary has been the focus of the majority of the showers and thunderstorms over the past 12-18 hours with MRMS data showing a large swath of 1-2" of rain with portions of northern Montgomery County, most of San Jacinto, southern Trinity, and western Polk counties receiving up to 3-5" of rain. While there has been a bit of a lull in the activity overnight with just some isolated showers popping up along the boundary, CAM guidance shows that activity is expected to grow again along and south of the boundary by sunrise. This boundary may continue to slowly meander further south towards the coast through the afternoon, which will bring the showers and thunderstorms along with it. So while yesterday most of the rain fell north of I-10, today its looking more like the more favorable area will be along and south of I-10. Rainfall totals today will be similar to yesterday where most area that get the showers and thunderstorms could see up to 1-2", but there could be isolated higher amounts. Minor urban and small stream flooding is possible, especially if the heavy rainfall ends up over an area of poor drainage. WPC has placed the majority of the I-10 corridor in a Marginal Risk (level 1 of 4) for excessive rainfall today. The showers and thunderstorms are expected to come to an end by this evening with the loss of daytime heating, but scattered showers and thunderstorms will return on Tuesday as a weak shortwave passes through.
High temperatures today will be in the low 80s for most of the area, with the College Station area likely getting into the mid 80s. Overnight lows will be in the mid-60s to low 70s tonight.
Southerly flow returns for the area on Tuesday lead to a slight bump in temperatures (highs in the low to mid 80s, lows in the upper 60s to mid-70s).
Fowler
LONG TERM
(Wednesday through Sunday)
Issued at 1212 AM CDT Mon Apr 21 2025
Wednesday will be the best chances for showers/storms during the work week as an embedded shortwave trough pushes through the area.
Persistent onshore flow will help keep PW values near or above the 90th percentile (~1.59"), so there'll be plenty of moisture for the PVA to lift. As we have seen recently, with this amount of moisture in place, we could see some locally heavy downpours at times in any of the stronger showers/storms. The synoptic flow remains westerly to southwesterly through the end of the work week, which keeps us in line for additional passing shortwave impulses. As a result, you can expect rain chances to stick around...especially for areas north of I-10. Another shortwave trough looks to pass near the area on late Thursday into Friday. Going into the weekend, there are some hints that ridging aloft may begin to build in which would decrease our chances for rainfall.
Temperatures for most of the work week will be in the low to mid 80s for high temperatures and upper 60s to low 70s for low temperatures.
Going into the weekend is when we'll begin to approach the upper 80s once again as ridging aloft builds in. Based on some of the ensemble guidance and long-range NBM guidance, the warming trend doesn't stop there...
Batiste
AVIATION
(12Z TAF Issuance)
Issued at 630 AM CDT Mon Apr 21 2025
Showers and thunderstorms will be possible at IAH southwards today bringing gusty winds and heavy rainfall. These storms are being triggered along a boundary that will be slowly moving towards the coast. The showers and storms will likely be predominately south of I-10 by 16z, and then continue through sunset. Generally VFR conditions will prevail through this afternoon, with the exception of low clouds near at thunderstorms. Low level moisture and light winds tonight will lead to CIGs around 1500-2500ft and patchy fog which will continue through Tuesday morning. Additional scattered showers and storms will be possible Tuesday and Wednesday.
Fowler
MARINE
Issued at 1212 AM CDT Mon Apr 21 2025
Winds and seas will be on a downward trend overnight, but seas remain elevated enough for advisories/caution flags to be needed into Monday morning. Generally, light to occasionally moderate southeast winds will persist throughout the work week. The rip current risk still looks to remain elevated this week. After midweek, seas will briefly increase and may approach caution flag territory. Chances for showers and thunderstorms persist throughout most of the week as Gulf moisture interacts with various upper level disturbances.
Batiste
PRELIMINARY POINT TEMPS/POPS
College Station (CLL) 85 66 86 69 / 10 10 40 30 Houston (IAH) 82 70 84 71 / 60 20 50 30 Galveston (GLS) 78 73 79 73 / 50 20 30 20
HGX WATCHES/WARNINGS/ADVISORIES
TX...None.
GM...Small Craft Should Exercise Caution until 7 AM CDT this morning for GMZ330-335-350-355.
Small Craft Advisory until 10 AM CDT this morning for GMZ370-375.
Area Forecast Discussion National Weather Service Houston/Galveston TX 635 AM CDT Mon Apr 21 2025
New AVIATION
SHORT TERM
(Today through Tuesday Night)
Issued at 214 AM CDT Mon Apr 21 2025
The slow-moving boundary that pushed into the area yesterday has stalled along a line extending from southern Austin County northeastwards through NW Harris, Montgomery, San Jacinto and then up through Polk County. This boundary has been the focus of the majority of the showers and thunderstorms over the past 12-18 hours with MRMS data showing a large swath of 1-2" of rain with portions of northern Montgomery County, most of San Jacinto, southern Trinity, and western Polk counties receiving up to 3-5" of rain. While there has been a bit of a lull in the activity overnight with just some isolated showers popping up along the boundary, CAM guidance shows that activity is expected to grow again along and south of the boundary by sunrise. This boundary may continue to slowly meander further south towards the coast through the afternoon, which will bring the showers and thunderstorms along with it. So while yesterday most of the rain fell north of I-10, today its looking more like the more favorable area will be along and south of I-10. Rainfall totals today will be similar to yesterday where most area that get the showers and thunderstorms could see up to 1-2", but there could be isolated higher amounts. Minor urban and small stream flooding is possible, especially if the heavy rainfall ends up over an area of poor drainage. WPC has placed the majority of the I-10 corridor in a Marginal Risk (level 1 of 4) for excessive rainfall today. The showers and thunderstorms are expected to come to an end by this evening with the loss of daytime heating, but scattered showers and thunderstorms will return on Tuesday as a weak shortwave passes through.
High temperatures today will be in the low 80s for most of the area, with the College Station area likely getting into the mid 80s. Overnight lows will be in the mid-60s to low 70s tonight.
Southerly flow returns for the area on Tuesday lead to a slight bump in temperatures (highs in the low to mid 80s, lows in the upper 60s to mid-70s).
Fowler
LONG TERM
(Wednesday through Sunday)
Issued at 1212 AM CDT Mon Apr 21 2025
Wednesday will be the best chances for showers/storms during the work week as an embedded shortwave trough pushes through the area.
Persistent onshore flow will help keep PW values near or above the 90th percentile (~1.59"), so there'll be plenty of moisture for the PVA to lift. As we have seen recently, with this amount of moisture in place, we could see some locally heavy downpours at times in any of the stronger showers/storms. The synoptic flow remains westerly to southwesterly through the end of the work week, which keeps us in line for additional passing shortwave impulses. As a result, you can expect rain chances to stick around...especially for areas north of I-10. Another shortwave trough looks to pass near the area on late Thursday into Friday. Going into the weekend, there are some hints that ridging aloft may begin to build in which would decrease our chances for rainfall.
Temperatures for most of the work week will be in the low to mid 80s for high temperatures and upper 60s to low 70s for low temperatures.
Going into the weekend is when we'll begin to approach the upper 80s once again as ridging aloft builds in. Based on some of the ensemble guidance and long-range NBM guidance, the warming trend doesn't stop there...
Batiste
AVIATION
(12Z TAF Issuance)
Issued at 630 AM CDT Mon Apr 21 2025
Showers and thunderstorms will be possible at IAH southwards today bringing gusty winds and heavy rainfall. These storms are being triggered along a boundary that will be slowly moving towards the coast. The showers and storms will likely be predominately south of I-10 by 16z, and then continue through sunset. Generally VFR conditions will prevail through this afternoon, with the exception of low clouds near at thunderstorms. Low level moisture and light winds tonight will lead to CIGs around 1500-2500ft and patchy fog which will continue through Tuesday morning. Additional scattered showers and storms will be possible Tuesday and Wednesday.
Fowler
MARINE
Issued at 1212 AM CDT Mon Apr 21 2025
Winds and seas will be on a downward trend overnight, but seas remain elevated enough for advisories/caution flags to be needed into Monday morning. Generally, light to occasionally moderate southeast winds will persist throughout the work week. The rip current risk still looks to remain elevated this week. After midweek, seas will briefly increase and may approach caution flag territory. Chances for showers and thunderstorms persist throughout most of the week as Gulf moisture interacts with various upper level disturbances.
Batiste
PRELIMINARY POINT TEMPS/POPS
College Station (CLL) 85 66 86 69 / 10 10 40 30 Houston (IAH) 82 70 84 71 / 60 20 50 30 Galveston (GLS) 78 73 79 73 / 50 20 30 20
HGX WATCHES/WARNINGS/ADVISORIES
TX...None.
GM...Small Craft Should Exercise Caution until 7 AM CDT this morning for GMZ330-335-350-355.
Small Craft Advisory until 10 AM CDT this morning for GMZ370-375.
Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
LUIT2 | 3 mi | 50 min | SSE 8G | 74°F | 77°F | 29.98 | ||
FPST2 | 12 mi | 50 min | SE 8.9G | 74°F | 77°F | 29.96 | ||
GRRT2 | 21 mi | 50 min | SSE 7G | 74°F | 77°F | 29.96 | ||
GTOT2 | 26 mi | 50 min | S 5.1G | 74°F | 79°F | 29.95 | ||
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX | 30 mi | 50 min | S 12G | 74°F | 76°F | 29.95 | ||
EPTT2 - 8771013 - Eagle Point, TX | 31 mi | 50 min | SSE 9.9G | 75°F | 76°F | 29.98 | ||
KGVW | 33 mi | 33 min | 73°F | 72°F | ||||
42035 - GALVESTON 22NM East of Galveston, TX | 42 mi | 38 min | SE 12G | 73°F | 74°F | 30.00 | 72°F | |
MGPT2 - 8770613 - Morgans Point, TX | 43 mi | 50 min | SE 7G | 74°F | 76°F | 29.96 | ||
NCHT2 - 8770777 - Manchester, TX | 45 mi | 50 min | SSW 5.1G | 74°F | 76°F | 29.94 | ||
RLOT2 - 8770971 - Rollover Pass, TX | 46 mi | 50 min | S 8.9G | 73°F | 29.98 | |||
EMAT2 | 47 mi | 50 min | SE 8G | 75°F | 77°F | 29.96 |
Wind History for No Ports station near this location
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Airport Reports
Link to 1 hour of 5 minute data for KLBX
Terminal Aerodrome Forecast (TAF) for KLBX
Wind History Graph: LBX
(wind in knots)GEOS Local Image of SouthCentralPlains
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Houston/Galveston, TX,

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