San Luis Pass tides
Today, Thursday, October 29, 2026 · local time (CDT) · Texas, United States- 1:18 am1.2 ft
- 3:27 pm0.0 ft
- Tide now
- 1.2 ft ↑ rising · high 1:18 am (1.2 ft)
- Coefficient
- 117 · big spring tides
- Range today
- 1.2 ft
Today there is high tide at 1:18 am (1.2 ft) and low tide at 3:27 pm. Tide coefficient 117. Right now the tide is rising toward the high tide at 1:18 am. In San Luis Pass the tide is mixed, mainly diurnal: on many days there is only one high and one low tide. The next spring tides: from November 9 to 11.
Today's high and low tides
- ▲ Next high tide 1:18 am 1.2 ft · coef. 117
- ▼ Low tide 3:27 pm 0.0 ft
↑ Rising The tide is rising. 1 h 0 min to high tide at 1:18 am.
Tide coefficient 117 for the 1:18 am high tide. Big spring tides. The water rises and falls 1.2 ft between the highest high and the lowest low: an average 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 | Tide 3 | Tide 4 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|
| Today, Thu 29 | 7:31 am · 6:37 pm | High tide 1:18 am · 1.2 ft | Low tide 3:27 pm · 0.0 ft | — | — | Coef. 117 | 83% | Major periods 3:03 am · 3:35 pm | Medium |
| Fri 30 | 7:32 am · 6:36 pm | High tide 2:36 am · 1.2 ft | Low tide 4:29 pm · 0.0 ft | — | — | Coef. 117 | 74% | Major periods 4:07 am · 4:39 pm | Medium |
| Sat 31 | 7:33 am · 6:35 pm | High tide 7:37 am · 1.1 ft | Low tide 5:38 pm · 0.0 ft | — | — | Coef. 109 | 63% | Major periods 5:09 am · 5:39 pm | Medium |
| Sun 1 | 6:33 am · 5:35 pm | High tide 6:35 am · 1.1 ft | Low tide 5:50 pm · 0.1 ft | — | — | Coef. 97 | Last quarter | Major periods 5:07 am · 5:34 pm | Medium |
| Mon 2 | 6:34 am · 5:34 pm | High tide 4:56 am · 1.0 ft | Low tide 7:04 pm · 0.1 ft | — | — | Coef. 81 | 40% | Major periods 6:00 am · 6:24 pm | Medium |
| Tue 3 | 6:35 am · 5:33 pm | High tide 5:14 am · 1.0 ft | Low tide 9:22 am · 0.3 ft | High tide 3:14 pm · 0.9 ft | Low tide 8:20 pm · 0.2 ft | Coef. 57 | 30% | Major periods 6:48 am · 7:11 pm | Medium |
| Wed 4 | 6:35 am · 5:32 pm | High tide 5:32 am · 0.9 ft | Low tide 9:41 am · 0.3 ft | High tide 5:16 pm · 0.9 ft | Low tide 9:35 pm · 0.2 ft | Coef. 27 | 20% | Major periods 7:34 am · 7:56 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 29 to 30 (coefficient 117, 1.2 ft range). The smallest, on October 23 (coefficient 23, 0.7 ft).
Type of tide
In San Luis Pass the tide is mixed, mainly diurnal: on many days there is only one high and one low tide. Types of tides
2026 extremes: the highest tide of the year is on October 28 (1.2 ft) and the lowest, on January 2 (-0.3 ft).
Questions about the tides in San Luis Pass
What time is high tide today in San Luis Pass?
High tide today is at 1:18 am (1.2 ft). Low tide is at 3:27 pm.
What time is high tide tomorrow in San Luis Pass?
On Friday, October 30, high tide at 2:36 am and low tide at 4:29 pm.
What is today's tide coefficient?
117: 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 November 9 to 11, after the new or full moon.
How many tides a day are there in San Luis Pass?
The tide is mixed, mainly diurnal: on many days there is only one high and one low tide. 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 San Luis Pass today
Tides near San Luis Pass
- Surfside Beach ▲ 9:17 pm
- Tiki Island ▲ 3:14 am
- Galveston Island Historic Pleasure Pier ▲ 8:41 pm
- Texas City ▲ 10:22 pm
- Dickinson ▲ 5:10 am
- San Leon ▲ 3:12 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tides from the Christmas Bay station (NOAA), 4.3 mi from San Luis Pass. Times and heights are its predictions. It is a NOAA subordinate station: its times and heights come from the Galveston reference station with the official corrections. Station data attribution: Slackwater database (https://github.com/openwatersio/slackwater-database)