Freeport to Matagorda Ship Channel, TX Marine Forecast
| This Afternoon...East Winds 10 To 15 Knots. Seas Around 2 Feet. Wave Detail: South 1 Foot At 5 Seconds. A Slight Chance Of Showers And Thunderstorms. |
| Tonight...East Winds 10 To 15 Knots. Seas 2 To 3 Feet. A Chance Of Showers And Thunderstorms After Midnight. |
| Thursday...East Winds Around 15 Knots, Increasing To 15 To 20 Knots In The Afternoon. Seas 3 To 4 Feet. A Chance Of Showers And Thunderstorms In The Morning, Then Showers And Thunderstorms Likely In The Afternoon. |
| Thursday Night...East Winds 15 To 20 Knots, Diminishing To Around 15 Knots After Midnight. Seas 3 To 4 Feet. |
| Friday...East Winds Around 15 Knots With Gusts Up To 20 Knots. Seas 3 To 4 Feet. |
| Friday Night...East Winds 10 To 15 Knots. Seas 2 To 4 Feet. Wave Detail: East 4 Feet At 7 Seconds. |
| Saturday...East Winds 5 To 10 Knots. Seas 2 To 3 Feet. |
| Saturday Night...Southeast Winds 10 To 15 Knots. Seas 2 To 3 Feet. |
| Sunday...Southeast Winds 5 To 10 Knots. Seas Around 2 Feet. |
| Sunday Night...Southeast Winds 5 To 10 Knots. Seas Around 2 Feet. Winds And Seas Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Houston/Galveston TX 1249pm CDT Wednesday September 16 2026 Issued at 1240pm CDT Wednesday September 16 2026 Isolated onshore showers and thunderstorms are developing around Matagorda Bay. These may Probability of Precipitation up farther inland this afternoon, however coverage only looks to be around 20% at best. Hot and humid conditions will continue with highs in the mid-to-upper 90s and heat indicies near 108. Any storms will taper off this evening and a quiet night is expected with lows in the upper 70s to low 80s. The tropical moisture surge remains expected for Thursday with average model PWATs (Precipitable Waters) around 2.25". CAMs are slightly less aggressive with Quantitative Precipitation Forecast than synoptic guidance, however the general consensus continues to be highest chances of showers and thunderstorms along the coast and gradually decreasing farther north, closer to the center of a strong upper ridge where the strongest capping will be present. Heavy downpours will be the main threat with these storms. Use caution on the morning/evening commutes. The aforementioned ridge will stall over north central Texas between a broad trough to the west and closed low tracking westward across Florida. Combined with drier air on Friday, even the usual onshore precipitation should hold off and we will see a brief reprieve from the higher humidities with most heat indicies staying below 100 across the area. Although the capping and lack of storm chances will continue into Saturday, the humidity will return though with heat indicies returning to the triple-digits. The ridge will begin to weaken on Sunday and the usual onshore diurnal convection should start to return, however the aforementioned upper low will weaken as well. Thus no major large-scale systems are expected to impact the area for the foreseeable future. Marine Issued at 1240pm CDT Wednesday September 16 2026 Due easterly winds near 15 kts will persist through Thursday morning, before increasing to around 20 kts thereafter through early Friday morning. Winds will diminish back to between 15-20 kts Friday and become lighter this week. Seas of 2 to 3 ft will continue today and increase to 4 to 6 ft Thursday before gradually subsiding Friday into the weekend. Isolated showers and thunderstorms are possible today and will become more widespread Thursday, particularly offshore. NOAA Houston/Galveston TX Office: Watches - Warnings - Advisories TX...None. GM...None. |
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