Marine Weather and Tide Forecast for Bay City, TX
![]() | Sunrise 6:26 AM Sunset 8:26 PM Moonrise 3:08 PM Moonset 1:24 AM |
Marine Forecasts
NOTE: Zones updated 4/16/2026. Some zones changed. Use Edit if needed.
GMZ330 Matagorda Bay- 710 Pm Cdt Wed Jun 24 2026
Tonight - South winds 10 to 15 knots. Bay waters slightly choppy.
Thursday - South winds 10 to 15 knots. Bay waters slightly choppy.
Thursday night - South winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy.
Friday - South winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy.
Friday night - South winds 15 to 20 knots. Bay waters choppy.
Saturday - South winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy.
Saturday night - South winds 15 to 20 knots. Bay waters choppy.
Sunday - South winds 15 to 20 knots. Bay waters choppy.
Sunday night - Southeast winds 15 to 20 knots. Bay waters choppy.
Monday - Southeast winds around 15 knots. Bay waters slightly choppy.
Monday night - Southeast winds 10 to 15 knots. Bay waters slightly choppy.
GMZ300 710 Pm Cdt Wed Jun 24 2026
Synopsis for high island to the matagorda ship channel out 60 nm including galveston and matagorda bays
light to moderate southerly flow will prevail through the workweek, increasing slightly this weekend. Seas will generally run 2 to 4 ft through the workweek increasing to 3 to 5 ft into the weekend.
light to moderate southerly flow will prevail through the workweek, increasing slightly this weekend. Seas will generally run 2 to 4 ft through the workweek increasing to 3 to 5 ft into the weekend.
7 Day Forecast for Marine Location Near Bay City, TX

NEW! Add second zone forecast
| Matagorda City (TCOON) Click for Map Note: See station comments in 'about' for disclaimers. Wed -- 02:24 AM CDT Moonset Wed -- 06:26 AM CDT Sunrise Wed -- 06:27 AM CDT 0.30 feet High Tide Wed -- 08:17 AM CDT 0.30 feet Low Tide Wed -- 10:27 AM CDT 0.31 feet High Tide Wed -- 04:06 PM CDT Moonrise Wed -- 08:25 PM CDT Sunset Wed -- 08:41 PM CDT -0.09 feet Low Tide Tide / Current data from XTide NOT FOR NAVIGATION |   |
Matagorda City (TCOON), Texas, Tide feet
| 12 am |
| 0.1 |
| 1 am |
| 0.2 |
| 2 am |
| 0.2 |
| 3 am |
| 0.2 |
| 4 am |
| 0.3 |
| 5 am |
| 0.3 |
| 6 am |
| 0.3 |
| 7 am |
| 0.3 |
| 8 am |
| 0.3 |
| 9 am |
| 0.3 |
| 10 am |
| 0.3 |
| 11 am |
| 0.3 |
| 12 pm |
| 0.3 |
| 1 pm |
| 0.3 |
| 2 pm |
| 0.2 |
| 3 pm |
| 0.2 |
| 4 pm |
| 0.1 |
| 5 pm |
| 0.1 |
| 6 pm |
| 0 |
| 7 pm |
| -0 |
| 8 pm |
| -0.1 |
| 9 pm |
| -0.1 |
| 10 pm |
| -0.1 |
| 11 pm |
| -0 |
| Sargent (TCOON) Click for Map Note: See station comments in 'about' for disclaimers. Wed -- 02:23 AM CDT Moonset Wed -- 05:09 AM CDT 0.60 feet High Tide Wed -- 06:25 AM CDT Sunrise Wed -- 04:05 PM CDT Moonrise Wed -- 07:39 PM CDT -0.13 feet Low Tide Wed -- 08:24 PM CDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |   |
Sargent (TCOON), Texas, Tide feet
| 12 am |
| 0.3 |
| 1 am |
| 0.4 |
| 2 am |
| 0.5 |
| 3 am |
| 0.5 |
| 4 am |
| 0.6 |
| 5 am |
| 0.6 |
| 6 am |
| 0.6 |
| 7 am |
| 0.6 |
| 8 am |
| 0.6 |
| 9 am |
| 0.5 |
| 10 am |
| 0.5 |
| 11 am |
| 0.5 |
| 12 pm |
| 0.4 |
| 1 pm |
| 0.4 |
| 2 pm |
| 0.3 |
| 3 pm |
| 0.2 |
| 4 pm |
| 0.1 |
| 5 pm |
| 0 |
| 6 pm |
| -0.1 |
| 7 pm |
| -0.1 |
| 8 pm |
| -0.1 |
| 9 pm |
| -0.1 |
| 10 pm |
| 0 |
| 11 pm |
| 0.1 |
Area Discussion for Houston/Galveston, TX
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FXUS64 KHGX 242335 AFDHGX
Area Forecast Discussion National Weather Service Houston/Galveston TX 635 PM CDT Wed Jun 24 2026
New AVIATION
KEY MESSAGES
- Hot conditions will continue this week, with potential for heat stress issues as heat indices approach 105-107F (41-42C) each day and WBGT risk peaks in the red category.
DISCUSSION
Issued at 105 PM CDT Wed Jun 24 2026
Not too much to write about, as high pressure and upper ridge settle in across the area. The building ridge will keep dry conditions in place through much of the period, with drier air helping to alleviate the higher heat indices we've experiences the last week or so. That said, heat may still be a factor for those spending a lot of times outdoors or those vulnerable to heat, so caution should be used if spending time outdoors. Otherwise, expect highs to warm into the lower to mid 90s and overnight lows in the lower to mid 70s.
Moisture will begin to increase this weekend, as the ridge moves east of the area. Meanwhile, weaknesses in the upper ridge may provide some forcing for convection, if any mesocale features lead to a focus for CI. We'll see an increase in afternoon rain chances, typical of our summertime pattern.
AVIATION
(00Z TAF Issuance)
Issued at 635 PM CDT Wed Jun 24 2026
VFR conditions will generally prevail across the region through the forecast period. The exception may be a brief round of MVFR ceilings and/or visibility reductions that could impact a few terminals mainly between 10-14Z across locations west and northwest of the Houston metro area. Confidence was low enough to keep MVFR conditions out of the IAH/HOU TAF. Light southerly winds otherwise look to continue through the period.
MARINE
Issued at 105 PM CDT Wed Jun 24 2026
Light to moderate southerly flow will prevail through the workweek. Seas will generally run 2 to 4 ft through the workweek increasing to 3 to 5 ft into the weekend.
PRELIMINARY POINT TEMPS/POPS
College Station (CLL) 73 93 75 94 / 0 0 0 0 Houston (IAH) 75 93 77 93 / 0 0 0 0 Galveston (GLS) 81 88 82 89 / 0 0 0 0
HGX WATCHES/WARNINGS/ADVISORIES
TX...None.
GM...None.
Area Forecast Discussion National Weather Service Houston/Galveston TX 635 PM CDT Wed Jun 24 2026
New AVIATION
KEY MESSAGES
- Hot conditions will continue this week, with potential for heat stress issues as heat indices approach 105-107F (41-42C) each day and WBGT risk peaks in the red category.
DISCUSSION
Issued at 105 PM CDT Wed Jun 24 2026
Not too much to write about, as high pressure and upper ridge settle in across the area. The building ridge will keep dry conditions in place through much of the period, with drier air helping to alleviate the higher heat indices we've experiences the last week or so. That said, heat may still be a factor for those spending a lot of times outdoors or those vulnerable to heat, so caution should be used if spending time outdoors. Otherwise, expect highs to warm into the lower to mid 90s and overnight lows in the lower to mid 70s.
Moisture will begin to increase this weekend, as the ridge moves east of the area. Meanwhile, weaknesses in the upper ridge may provide some forcing for convection, if any mesocale features lead to a focus for CI. We'll see an increase in afternoon rain chances, typical of our summertime pattern.
AVIATION
(00Z TAF Issuance)
Issued at 635 PM CDT Wed Jun 24 2026
VFR conditions will generally prevail across the region through the forecast period. The exception may be a brief round of MVFR ceilings and/or visibility reductions that could impact a few terminals mainly between 10-14Z across locations west and northwest of the Houston metro area. Confidence was low enough to keep MVFR conditions out of the IAH/HOU TAF. Light southerly winds otherwise look to continue through the period.
MARINE
Issued at 105 PM CDT Wed Jun 24 2026
Light to moderate southerly flow will prevail through the workweek. Seas will generally run 2 to 4 ft through the workweek increasing to 3 to 5 ft into the weekend.
PRELIMINARY POINT TEMPS/POPS
College Station (CLL) 73 93 75 94 / 0 0 0 0 Houston (IAH) 75 93 77 93 / 0 0 0 0 Galveston (GLS) 81 88 82 89 / 0 0 0 0
HGX WATCHES/WARNINGS/ADVISORIES
TX...None.
GM...None.
| Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
| EMAT2 | 17 mi | 45 min | SSE 8.9G | 83°F | 92°F | 29.98 | ||
| FPST2 | 34 mi | 45 min | SSE 9.9G | 83°F | 85°F | 29.96 | ||
| VCAT2 | 41 mi | 45 min | S 12G | 83°F | 29.96 | |||
| MBET2 | 42 mi | 45 min | S 13G | 84°F | 87°F | 29.94 | ||
| PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX | 42 mi | 45 min | 84°F | 91°F | 29.97 | |||
| LUIT2 | 44 mi | 45 min | S 5.1G | 83°F | 88°F | 30.00 | ||
| KBQX | 47 mi | 5 min | S 12 | 82°F | 77°F |
Wind History for Port Lavaca, TX
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Airport Reports
Link to 5 hour of 5 minute data for KBYY
Terminal Aerodrome Forecast (TAF) for KBYY
Wind History Graph: BYY
(wind in knots)
GEOS Local Image of southern planes -- texas
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Houston/Galveston, TX,
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