South Bay entrance Tides Today

Texas · Station 8779768 · Updated Oct 31, 2026

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South Bay entrance runs a mean tidal range of about 1.3 ft. This month the highest water, 2.2 ft, comes on the evening of Oct 29, and the lowest, a -0.4 ft minus tide, on the morning of Oct 29.

Predictedno live gauge
Next low tide -0.1 ft at 1:46 PM
Low -0.1 ft · 1:46 PMHigh 2.2 ft · 12:14 AM
Predicted
Today's tides
Low tide1:46 PM-0.1 ft

Today on the water at South Bay entrance

Today at South Bay entrance: low tide at 1:46 PM (-0.1 ft). The National Weather Service forecast for Saturday is mostly sunny with SE winds 2 to 9 mph, 82°F. In effect now: Coastal Flood Statement. Sunrise is at 7:36 AM and sunset at 6:48 PM.

PeriodForecastWindTemp
OvernightMostly ClearS 3 mph75°F
SaturdayMostly SunnySE 2 to 9 mph82°F

Forecast: National Weather Service point forecast for this location.

Where South Bay entrance is

South Bay entrance sits at 26.0517° N, 97.1817° W on the Texas Gulf coast, about 1 mi east of Port Isabel, TX, in Cameron County. The station here is a subordinate tide prediction point. NOAA has no gauge in the water at this spot; its times and heights are published as offsets from a reference gauge, named below. The closest gauge measuring live water level is South Padre Island C.G. Station (NOAA 8779748), 1.7 mi away, and high and low water here run on average about 18 min earlier than there. The nearest weather station is South Padre Island CGS, TX, a shore station reporting wind and, at most sites, water temperature, 1.7 mi away.

The tide at South Bay entrance

South Bay entrance has a diurnal tide: usually one high and one low a day, with the daily rhythm shifting about 50 minutes later each day and fading near the moon's equatorial crossing. This month's predictions average 1.2 high tides a day here. For the water around it: Texas tides are diurnal, usually one high and one low a day with a range near 1 to 2 ft, and a steady wind can hold the predicted tide off by a foot.

About this station

Datum and source

Heights on this page are feet above mean lower low water (MLLW), the zero NOAA's nautical charts use for soundings. A predicted 0.0 ft low is the average of the lower low each day; a minus tide is water below chart datum, and a 2 ft high means 2 ft more water than the chart shows. NOAA fixes MLLW at South Bay entrance from the 1983-2001 National Tidal Datum Epoch; mean higher high water is 1.3 ft above it and mean sea level 0.8 ft. These datums are controlled from NOAA's Port Isabel, TX gauge. Source: NOAA CO-OPS station 8779768, established 1991, gauge removed 1993. The tide times and heights are published as time and height offsets from its reference gauge; TidalMap republishes them daily and does not alter them.

Tide stations near South Bay entrance

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Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at South Bay entrance this month: Oct 3, Oct 4, Oct 27, Oct 28, Oct 29, Oct 30. These spring highs push water up into the grass and over the oyster rock; prime for poling into flooded marsh for tailing reds.

🔻 Negative (minus) low tides at South Bay entrance this month: Oct 1, Oct 2, Oct 3, Oct 27, Oct 28, Oct 29, Oct 30, Oct 31. These drain the flats and expose the oyster rock, prime for sight-fishing and clamming.

October 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1L:-0.2H:2.0
2L:-0.2
3🌗H:2.1L:-0.0
4🌗H:2.1L:0.1
5🌗H:2.1L:0.3
6H:1.9L:0.6
7H:1.8L:1.5H:1.7L:0.9
8H:1.6L:1.2H:1.8L:1.1
9H:1.5L:0.9H:1.8L:1.3
10🌑H:1.4L:0.6H:1.9
11🌑L:0.4H:1.9
12🌑L:0.2H:1.9
13🌑L:0.1H:1.9
14L:0.2H:1.9
15L:0.3H:1.9
16L:0.4
17🌓H:1.9L:0.5
18🌓H:2.0L:0.7
19🌓H:2.0L:0.8
20🌓H:2.0L:0.9
21H:1.9L:1.1
22H:1.8L:1.4H:1.6L:1.2
23H:1.6L:1.1H:1.7L:1.3
24H:1.5L:0.8H:1.8L:1.4
25🌕H:1.4L:0.4H:1.9
26🌕L:0.1H:2.0
27🌕L:-0.2H:2.1
28L:-0.4H:2.2
29L:-0.4H:2.2
30L:-0.3H:2.2
31L:-0.1

Best fishing times (solunar)

Major and minor solunar windows for South Bay entrance, peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).

DayMajor windowsMinor windowsScore
Today 🌖5:11–7:11 AM
5:36–7:36 PM
—
12:20–2:20 PM
55
Sun Nov 1 🌗6:11–8:11 AM
6:36–8:36 PM
11:07–1:07 AM
1:08–3:08 PM
42
Mon Nov 2 🌗7:06–9:06 AM
7:31–9:31 PM
12:15–2:15 AM
1:50–3:50 PM
33
Tue Nov 3 🌗7:57–9:57 AM
8:22–10:22 PM
1:20–3:20 AM
2:27–4:27 PM
47
Wed Nov 4 🌗8:45–10:45 AM
9:10–11:10 PM
2:22–4:22 AM
3:01–5:01 PM
61
Thu Nov 5 🌘9:31–11:31 AM
9:56–11:56 PM
3:22–5:22 AM
3:34–5:34 PM
73
Fri Nov 6 🌘10:16–12:16 PM
10:41–12:41 AM
4:20–6:20 AM
4:06–6:06 PM
83

Predictions & observations: NOAA CO-OPS station 8779768. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.

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