Seabrook tides
Today, Wednesday, October 28, 2026 · local time (CDT) · Texas, United States- 3:31 am1.7 ft
- 5:21 pm0.1 ft
- Tide now
- 0.1 ft ↑ rising · high 5:10 am (1.7 ft)
- Coefficient
- 111 · big spring tides
- Range today
- 1.6 ft
Today there is high tide at 3:31 am (1.7 ft) and low tide at 5:21 pm. Tide coefficient 111. Right now the tide is rising toward the high tide at 5:10 am. In Seabrook the tide is diurnal: one high and one low tide a day most days. The next spring tides: from October 26 to 28.
Today's high and low tides
- ▲ High tide 3:31 am 1.7 ft · coef. 111
- ▼ Low tide 5:21 pm 0.1 ft
↑ Rising The tide is rising. 11 h 16 min to high tide at 5:10 am.
Tide coefficient 111 for the 3:31 am high tide. Big spring tides. The water rises and falls 1.6 ft between the highest high and the lowest low: a large range for this place. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides. What is the tide coefficient?
Heights above mean lower low water (MLLW), the zero of US nautical charts. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation.
Tides for the next 7 days
| Day | Sun | Tide 1 | Tide 2 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|
| Today, Wed 28 | 7:31 am · 6:37 pm | High tide 3:31 am · 1.7 ft | Low tide 5:21 pm · 0.1 ft | Coef. 111 | 91% | Major periods 1:58 am · 2:30 pm | Medium |
| Thu 29 | 7:31 am · 6:36 pm | High tide 5:10 am · 1.7 ft | Low tide 6:27 pm · 0.1 ft | Coef. 112 | 83% | Major periods 3:02 am · 3:35 pm | Medium |
| Fri 30 | 7:32 am · 6:35 pm | High tide 6:34 am · 1.7 ft | Low tide 7:38 pm · 0.1 ft | Coef. 111 | 74% | Major periods 4:07 am · 4:38 pm | Medium |
| Sat 31 | 7:33 am · 6:34 pm | High tide 7:33 am · 1.7 ft | Low tide 8:46 pm · 0.2 ft | Coef. 107 | 63% | Major periods 5:09 am · 5:38 pm | Medium |
| Sun 1 | 6:33 am · 5:33 pm | High tide 7:03 am · 1.6 ft | Low tide 8:47 pm · 0.3 ft | Coef. 100 | Last quarter | Major periods 5:07 am · 5:33 pm | Medium |
| Mon 2 | 6:34 am · 5:33 pm | High tide 7:17 am · 1.5 ft | Low tide 9:40 pm · 0.4 ft | Coef. 88 | 40% | Major periods 5:59 am · 6:24 pm | Medium |
| Tue 3 | 6:35 am · 5:32 pm | High tide 7:09 am · 1.4 ft | Low tide 10:29 pm · 0.5 ft | Coef. 70 | 30% | Major periods 6:48 am · 7:11 pm | Medium |
▲ high tide · ▼ low tide · heights above MLLW. Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.
Tide coefficient and range in October
The biggest tides of the month come from October 28 to 30 (coefficient 112, 1.6 ft range). The smallest, on October 23 (coefficient 25, 0.5 ft).
Type of tide
In Seabrook the tide is diurnal: one high and one low tide a day most days. Types of tides
2026 extremes: the highest tide of the year is on May 17 (1.7 ft) and the lowest, on January 31 (-0.9 ft).
Reference levels
- Highest astronomical tide (HAT)1.7 ft
- Mean higher high water (MHHW)1.2 ft
- Mean high water (MHW)1.1 ft
- Mean sea level (MSL)0.6 ft
- Mean low water (MLW)0.1 ft
- Mean lower low water (MLLW)0.0 ft
- Lowest astronomical tide (LAT)-1.0 ft
Heights above mean lower low water (MLLW), the zero of US nautical charts.
Questions about the tides in Seabrook
What time is high tide today in Seabrook?
High tide today is at 3:31 am (1.7 ft). Low tide is at 5:21 pm.
What time is high tide tomorrow in Seabrook?
On Thursday, October 29, high tide at 5:10 am and low tide at 6:27 pm.
What is today's tide coefficient?
111: big spring tides. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides.
When are the next spring tides?
From October 26 to 28, after the new or full moon, with the moon near perigee, so they will be bigger than usual.
How many tides a day are there in Seabrook?
The tide is diurnal: one high and one low tide a day most days. Each high tide comes about 50 minutes later than the day before.
What are the heights measured from?
From mean lower low water (MLLW), the zero of US nautical charts. That is why a low tide can be negative: that day the water drops below that zero.
Can I use these tides for navigation?
No. They are astronomical predictions for planning fishing and outings; for navigation use official publications and nautical charts.
More about Seabrook today
Tides near Seabrook
- Bayview ▲ 1:27 am
- Shoreacres ▲ 12:34 am
- Beach City ▲ 1:02 am
- Texas City ▲ 9:04 pm
- Smith Point
- Bayou Vista
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Seabrook has no station of its own, so we use the tide at Clear Lake (NOAA), 2.5 mi away. On the open coast the difference is usually a few minutes and inches; inside estuaries, rivers and enclosed bays it can be much larger. Station data attribution: Slackwater database (https://github.com/openwatersio/slackwater-database)