Texas tide station
Port Isabel tide times
Today, Sunday, October 18, 2026: high tide at 1:36 AM (1.9 ft); low tide at 3:30 PM (0.5 ft). Water temperature 76.8 F at Port Isabel.
predicted height above MLLWnightnow (build time; your browser updates it)
As of 4:20 AM the tide is falling toward low tide at 3:30 PM (0.5 ft).
First Quarter 51% litSunrise 7:30 AMSunset 6:58 PMDaylight 11h 28mCDT
- High tide at Port Isabel, Texas on is at 1:36 AM (1.9 ft above MLLW).
- Low tide at Port Isabel on is at 3:30 PM (0.5 ft).
- Today's tidal range at Port Isabel is 1.4 ft (highest high 1.9 ft, lowest low 0.5 ft).
- The nearest NOAA water temperature to Port Isabel is 76.8 F at Port Isabel, as of .
- Sunrise 7:30 AM, sunset 6:58 PM (CDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8779770 (harmonic reference station), heights above MLLW.
Next 7 days at Port Isabel
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 1:36 AM1.9 ft | 3:30 PM0.5 ft | 7:30 AM | 6:58 PM | 51% | ||
| Mon Oct 19 | 2:24 AM1.8 ft | 4:42 PM0.6 ft | 7:30 AM | 6:57 PM | 62% | ||
| Tue Oct 20 | 2:36 AM1.7 ft | 5:48 PM0.7 ft | 7:31 AM | 6:57 PM | 72% | ||
| Wed Oct 21 | 2:18 AM1.6 ft | 6:48 PM0.8 ft | 7:31 AM | 6:56 PM | 81% | ||
| Thu Oct 22 | 2:06 AM1.6 ft | 8:00 AM1.2 ft | 1:06 PM1.4 ft | 7:48 PM1.0 ft | 7:32 AM | 6:55 PM | 88% |
| Fri Oct 23 | 2:06 AM1.5 ft | 8:12 AM1.0 ft | 2:48 PM1.6 ft | 9:00 PM1.1 ft | 7:32 AM | 6:54 PM | 94% |
| Sat Oct 24 | 2:00 AM1.4 ft | 8:36 AM0.7 ft | 4:00 PM1.7 ft | 10:12 PM1.3 ft | 7:33 AM | 6:53 PM | 98% |
Water temperature near Port Isabel
76.8 F (24.9 C)
NOAA CO-OPS station 8779770 (this station's own sensor), read 4:00 AM local, October 18, 2026
Over the past 30 days this sensor ranged from 75.9 to 91.4 F. Typical for October here is 82.2 F (5-year hourly mean; range 63.7 to 89.4), so today is 5.4 F below typical.
Water temperature is the nearest NOAA reading to Port Isabel, not a measurement at the tide gauge itself. See water temperature by state for every sensor and buoy.
Tide tables
October 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Thu Oct 1 | 7:21 AM | 7:16 PM | 72% | ||||
| Fri Oct 2 | 7:22 AM | 7:14 PM | 62% | ||||
| Sat Oct 3 | 7:22 AM | 7:13 PM | 51% | ||||
| Sun Oct 4 | 7:23 AM | 7:12 PM | 41% | ||||
| Mon Oct 5 | 7:23 AM | 7:11 PM | 31% | ||||
| Tue Oct 6 | 7:24 AM | 7:10 PM | 21% | ||||
| Wed Oct 7 | 7:24 AM | 7:09 PM | 13% | ||||
| Thu Oct 8 | 7:25 AM | 7:08 PM | 7% | ||||
| Fri Oct 9 | 7:25 AM | 7:07 PM | 3% | ||||
| Sat Oct 10 | 7:25 AM | 7:06 PM | 0% | ||||
| Sun Oct 11 | 7:26 AM | 7:05 PM | 0% | ||||
| Mon Oct 12 | 7:26 AM | 7:04 PM | 2% | ||||
| Tue Oct 13 | 7:27 AM | 7:03 PM | 7% | ||||
| Wed Oct 14 | 7:27 AM | 7:02 PM | 13% | ||||
| Thu Oct 15 | 7:28 AM | 7:01 PM | 21% | ||||
| Fri Oct 16 | 1:42 PM0.4 ft | 7:28 AM | 7:00 PM | 30% | |||
| Sat Oct 17 | 12:42 AM1.9 ft | 2:30 PM0.5 ft | 7:29 AM | 6:59 PM | 40% | ||
| Sun Oct 18today | 1:36 AM1.9 ft | 3:30 PM0.5 ft | 7:30 AM | 6:58 PM | 51% | ||
| Mon Oct 19 | 2:24 AM1.8 ft | 4:42 PM0.6 ft | 7:30 AM | 6:57 PM | 62% | ||
| Tue Oct 20 | 2:36 AM1.7 ft | 5:48 PM0.7 ft | 7:31 AM | 6:57 PM | 72% | ||
| Wed Oct 21 | 2:18 AM1.6 ft | 6:48 PM0.8 ft | 7:31 AM | 6:56 PM | 81% | ||
| Thu Oct 22 | 2:06 AM1.6 ft | 8:00 AM1.2 ft | 1:06 PM1.4 ft | 7:48 PM1.0 ft | 7:32 AM | 6:55 PM | 88% |
| Fri Oct 23 | 2:06 AM1.5 ft | 8:12 AM1.0 ft | 2:48 PM1.6 ft | 9:00 PM1.1 ft | 7:32 AM | 6:54 PM | 94% |
| Sat Oct 24 | 2:00 AM1.4 ft | 8:36 AM0.7 ft | 4:00 PM1.7 ft | 10:12 PM1.3 ft | 7:33 AM | 6:53 PM | 98% |
| Sun Oct 25 | 1:36 AM1.4 ft | 9:06 AM0.5 ft | 5:06 PM1.9 ft | 7:33 AM | 6:52 PM | 100% | |
| Mon Oct 26 | 9:42 AM0.2 ft | 6:24 PM2.0 ft | 7:34 AM | 6:51 PM | 99% | ||
| Tue Oct 27 | 10:24 AM0.0 ft | 7:48 PM2.1 ft | 7:35 AM | 6:51 PM | 97% | ||
| Wed Oct 28 | 11:12 AM-0.1 ft | 9:18 PM2.1 ft | 7:35 AM | 6:50 PM | 92% | ||
| Thu Oct 29 | 12:06 PM-0.1 ft | 11:06 PM2.2 ft | 7:36 AM | 6:49 PM | 85% | ||
| Fri Oct 30 | 1:06 PM-0.1 ft | 7:37 AM | 6:48 PM | 77% | |||
| Sat Oct 31 | 12:06 AM2.1 ft | 2:06 PM0.0 ft | 7:37 AM | 6:48 PM | 67% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 12:54 AM2.0 ft | 2:12 PM0.2 ft | 6:38 AM | 5:47 PM | 57% | ||
| Mon Nov 2 | 12:36 AM1.9 ft | 3:30 PM0.4 ft | 6:38 AM | 5:46 PM | 46% | ||
| Tue Nov 3 | 12:42 AM1.7 ft | 4:48 PM0.7 ft | 6:39 AM | 5:46 PM | 36% | ||
| Wed Nov 4 | 12:24 AM1.5 ft | 6:36 AM1.1 ft | 11:30 AM1.4 ft | 6:00 PM0.9 ft | 6:40 AM | 5:45 PM | 26% |
| Thu Nov 5 | 12:06 AM1.4 ft | 6:48 AM0.9 ft | 1:24 PM1.5 ft | 7:36 PM1.2 ft | 6:40 AM | 5:44 PM | 17% |
| Fri Nov 6 | 7:12 AM0.6 ft | 3:00 PM1.7 ft | 9:18 PM1.3 ft | 11:24 PM1.3 ft | 6:41 AM | 5:44 PM | 10% |
| Sat Nov 7 | 7:42 AM0.4 ft | 4:06 PM1.8 ft | 6:42 AM | 5:43 PM | 4% | ||
| Sun Nov 8 | 8:12 AM0.2 ft | 5:12 PM1.9 ft | 6:42 AM | 5:43 PM | 1% | ||
| Mon Nov 9 | 8:42 AM0.1 ft | 6:12 PM1.9 ft | 6:43 AM | 5:42 PM | 0% | ||
| Tue Nov 10 | 9:12 AM0.1 ft | 7:06 PM1.9 ft | 6:44 AM | 5:42 PM | 1% | ||
| Wed Nov 11 | 9:48 AM0.1 ft | 8:06 PM1.9 ft | 6:45 AM | 5:41 PM | 4% | ||
| Thu Nov 12 | 10:30 AM0.1 ft | 9:24 PM1.8 ft | 6:45 AM | 5:41 PM | 10% | ||
| Fri Nov 13 | 11:18 AM0.1 ft | 10:24 PM1.8 ft | 6:46 AM | 5:40 PM | 17% | ||
| Sat Nov 14 | 12:06 PM0.2 ft | 10:54 PM1.7 ft | 6:47 AM | 5:40 PM | 26% | ||
| Sun Nov 15 | 12:54 PM0.3 ft | 11:12 PM1.7 ft | 6:47 AM | 5:39 PM | 35% | ||
| Mon Nov 16 | 1:36 PM0.4 ft | 11:12 PM1.6 ft | 6:48 AM | 5:39 PM | 46% | ||
| Tue Nov 17 | 2:30 PM0.5 ft | 11:12 PM1.5 ft | 6:49 AM | 5:39 PM | 56% | ||
| Wed Nov 18 | 3:42 PM0.7 ft | 11:12 PM1.4 ft | 6:50 AM | 5:38 PM | 67% | ||
| Thu Nov 19 | 5:48 AM0.9 ft | 11:18 AM1.1 ft | 5:06 PM0.9 ft | 11:06 PM1.3 ft | 6:50 AM | 5:38 PM | 76% |
| Fri Nov 20 | 5:54 AM0.7 ft | 1:18 PM1.3 ft | 6:36 PM1.1 ft | 10:54 PM1.2 ft | 6:51 AM | 5:38 PM | 85% |
| Sat Nov 21 | 6:24 AM0.4 ft | 2:48 PM1.5 ft | 6:52 AM | 5:38 PM | 92% | ||
| Sun Nov 22 | 6:54 AM0.1 ft | 3:48 PM1.7 ft | 6:53 AM | 5:37 PM | 96% | ||
| Mon Nov 23 | 7:36 AM-0.2 ft | 4:54 PM1.9 ft | 6:53 AM | 5:37 PM | 99% | ||
| Tue Nov 24 | 8:18 AM-0.4 ft | 6:12 PM2.0 ft | 6:54 AM | 5:37 PM | 100% | ||
| Wed Nov 25 | 9:06 AM-0.5 ft | 7:24 PM2.0 ft | 6:55 AM | 5:37 PM | 98% | ||
| Thu Nov 26 | 10:00 AM-0.5 ft | 8:36 PM2.0 ft | 6:56 AM | 5:37 PM | 94% | ||
| Fri Nov 27 | 11:00 AM-0.5 ft | 9:54 PM1.9 ft | 6:56 AM | 5:37 PM | 89% | ||
| Sat Nov 28 | 12:00 PM-0.3 ft | 10:36 PM1.7 ft | 6:57 AM | 5:37 PM | 81% | ||
| Sun Nov 29 | 12:54 PM-0.1 ft | 10:54 PM1.5 ft | 6:58 AM | 5:37 PM | 72% | ||
| Mon Nov 30 | 1:54 PM0.2 ft | 10:48 PM1.3 ft | 6:58 AM | 5:37 PM | 62% |
Tidal datums at Port Isabel
Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8779770, in feet above MLLW:
MHHW
5.23 ft
Mean higher high water
MHW
5.17 ft
Mean high water
MSL
4.67 ft
Mean sea level
MLW
4.02 ft
Mean low water
MN
1.15 ft
Mean range
GT
1.37 ft
Diurnal range
Nearby tide stations
- Queen Isabella Causeway (west end)1.6 mi
- South Bay entrance2.2 mi
- Queen Isabella Causeway (east end)3.1 mi
- South Padre Island C.G. Station3.1 mi
- PADRE ISLAND (south end)3.7 mi
- South Padre Island, Brazos Santiago Pass3.8 mi
Questions
What time is high tide at Port Isabel today?
High tide at Port Isabel, Texas on Sunday, October 18, 2026 is at 1:36 AM (1.9 ft above MLLW), NOAA prediction, local time.
What time is low tide at Port Isabel today?
Low tide at Port Isabel on Sunday, October 18, 2026 is at 3:30 PM (0.5 ft).
What is the water temperature at Port Isabel?
The nearest NOAA water-temperature reading to Port Isabel is 76.8 F at Port Isabel, as of October 18, 2026.
Not for navigation. Predictions do not include weather; wind and pressure can move the real water level by a foot or more. Source: NOAA CO-OPS station 8779770.