Matagorda Bay Marine Forecast
| Rest Of Tonight...Northeast Winds 5 To 10 Knots. Bay Waters Smooth. Patchy Dense Fog After Midnight. |
| Monday...East Winds 5 To 10 Knots Becoming Southeast In The Afternoon. Bay Waters Smooth. Patchy Dense Fog Early In The Morning. |
| Monday Night...Southeast Winds 5 To 10 Knots. Bay Waters Smooth. Patchy Fog In The Late Evening And Overnight. A Slight Chance Of Showers After Midnight. A Slight Chance Of Thunderstorms After Midnight. A Chance Of Showers Late. |
| Tuesday...South Winds 5 To 10 Knots Becoming Southwest In The Afternoon. Bay Waters Smooth Becoming Smooth To Slightly Choppy In The Afternoon. Patchy Fog Early In The Morning. A Slight Chance Of Thunderstorms Until Late Afternoon. A Chance Of Showers. A Chance Of Thunderstorms Late In The Afternoon. |
| Tuesday Night...Northwest Winds 15 To 20 Knots. Bay Waters Choppy. A Slight Chance Of Showers In The Evening. |
| Wednesday...North Winds 15 To 20 Knots Decreasing To 10 To 15 Knots In The Afternoon. Bay Waters Choppy Becoming Slightly Choppy In The Afternoon. |
| Wednesday Night...Northeast Winds 5 To 10 Knots. Bay Waters Smooth. A Chance Of Showers Late. |
| Thursday...Northeast Winds 10 To 15 Knots. Bay Waters Slightly Choppy. A Chance Of Showers. |
| Thursday Night...Northeast Winds 10 To 15 Knots. Bay Waters Slightly Choppy. A Chance Of Showers. |
| Friday...North Winds 10 To 15 Knots. Bay Waters Slightly Choppy. A Chance Of Showers In The Morning, Then A Slight Chance Of Showers In The Afternoon. |
| Friday Night...North Winds 10 To 15 Knots Becoming Northwest 5 To 10 Knots After Midnight. Bay Waters Slightly Choppy Becoming Smooth After Midnight. |
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Synopsis for High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays - GMZ300 843 PM CST Sun Jan 26 2020 Dense fog will be possible in the bays Monday morning and erode by noon time. Sea fog will be possible Monday evening through Tuesday morning so look for more dense fog advisories. Rain chances increase Tuesday as another storm system moves across the area. |
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Area Forecast Discussion National Weather Service Houston/Galveston TX 1132pm CST Sunday Jan 26 2020 .SHORT TERM [Tonight through Tomorrow]... Surface dewpoints are in the low/mid 50s for most areas across SE Texas and temperatures continue to drop with calm winds and clear skies. Overall, conditions are favorable for fog with crossover temps in the low 50s. Short term guidance like GFS LAMP, HRRR, RAP, etc continue to indicate fog with visibility dropping below 1 mile for most areas. It is not a guarantee that everyone will observe dense fog but the potential is there especially in more rural areas where grounds are wet from recent rains. We decided to go ahead and issue the dense fog advisory even though we typically wait for fog to develop at several locations. The advisory will run from 09Z to 16Z or 3-10AM Monday. We also included Matagorda and Galveston Bays as there is potential for the fog to develop into the bays. .SHORT TERM [Tonight through Tomorrow]... The main weather story for the immediate term will be the development of areas of fog this evening and tomorrow morning. With the ground fairly moist thanks to this morning's showers and thunderstorms and weak north winds allowing cooler air to enter the region and keep dewpoint depressions low, a decent setup for radiation fog looks to be in place. Recent NAM forecast soundings across SE TX are showing ample low level saturation beginning around midnight and persisting through around 9AM tomorrow morning. Furthermore, SREF probabilistic guidance continues to show around a 40-60% chance of visibilities reaching below 3 SM in most locations during this time. Look for low temperatures around 10 degrees cooler this evening inland compared to yesterday and around 5 degrees cooler in coastal locations. Winds swing back around to the east and later southeast on Monday as surface high pressure departs ahead of Tuesday's frontal passage. Temperatures on Monday should reach near 70 inland and the mid 60s along the coast. Long Term - Monday Night Through Sunday Conditions are still looking favorable for areas of fog to develop Monday night as the next storm system begins to move into the area from the west. This trough and associated cold front will bring increasing chances of showers Monday night across our far north and northwest counties, the best chances of showers and maybe some isolated thunderstorms on Tuesday for a majority of the area, then decreasing rain chances from west to east as we head on into the evening hours. The system's exit will also mean the end of the fog threat. Enjoy Wednesday if you can, because the next system in line looks to bring rain back into our area for the last two days of the month on Thursday and Friday. Models continue to show some timing/strength differences with this system, but it is currently looking like the highest rainfall amounts will end up mainly along/south of the I-10 corridor and off the coast. The weekend still looks quiet with cool night and mild days. 42 Marine Clearer conditions and reduced winds and seas will persist overnight with the departure of this morning's storm system giving way to surface high pressure. Seas will diminish this evening with today's decrease in winds. Should see areas of fog develop over the nearshore waters and bays this evening and into tomorrow morning with dewpoint depressions looking fairly low, which may once again necessitate Dense Fog Advisories. Tomorrow's onshore flow will be short lived as surface high pressure exits to the east and onshore flow redevelops ahead of the approach of another system on Tuesday. Rain chances increase on Monday night and Tuesday as an associated cold front advances through SE TX. Moderate to strong offshore winds will develop on Wednesday in the wake of the cold frontal passage and seas will increase to 5 to 7 feet. This will likely require caution flags and advisories to be posted. The next chance for precipitation will come towards the end of the week as another system approaches on Thursday. Climate The City of Galveston surpassed a longstanding daily rainfall record this morning, receiving 3.34 inches of precipitation at Scholes Field Airport. This breaks the previous record of 2.24 inches set on January 26, 1913. Furthermore, today has been the 5th wettest January day since observations began in Galveston. The all-time wettest January day was January 22, 1923, when 5.38 inches of rainfall was observed. NOAA Houston/Galveston TX Office: Watches - Warnings - Advisories TX...Dense Fog Advisory from 3am to 10am CST Monday for the following zones: Austin...Brazoria Islands...Brazos...Burleson...Chambers...Coastal Brazoria...Coastal Galveston...Coastal Harris...Coastal Jackson...Coastal Matagorda...Colorado...Fort Bend...Galveston Island and Bolivar Peninsula...Grimes...Houston...Inland Brazoria...Inland Galveston...Inland Harris...Inland Jackson...Inland Matagorda...Madison...Matagorda Islands...Montgomery...Northern Liberty...Polk...San Jacinto...Southern Liberty...Trinity...Walker...Waller...Washington...Wharton. GM...Dense Fog Advisory from 3am to 10am CST Monday for the following zones: Galveston Bay...Matagorda Bay. |
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