Shoalwater Flats, Espiritu Santo Bay

Wednesday, August 18, 2027|28.365°N, 96.580°W · NOAA 8773896

Station

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Major periodMinor periodNightNOAA 6-minute predictions · Heights in feet above MLLW

Tides

▼ Low	3:15 AM	0.09 ft
▲ High	9:18 PM	0.21 ft

Tidal range today: 0.11 ft

Sun & Moon

Sunrise: 6:57 AM
Sunset: 8:02 PM
Moonrise: 8:47 PM
Moonset: 8:03 AM

🌖

Waning Gibbous

98% illuminated

Fishing Times

Average

Major1:10 AM–3:10 AM
Minor7:33 AM–8:33 AM
Major1:25 PM–3:25 PM
Minor8:17 PM–9:17 PM

Estimate from moon phase, solunar periods, and tidal range.

Tides for Shoalwater Flats, Espiritu Santo Bay, week of August 15

Tap a day to see its chart

Day	Moon	Sun	1st tide	2nd tide	3rd tide	4th tide	Coefficient
15 Sun	🌔	▲ 6:55 AM ▼ 8:05 PM	12:56 AM ▼ 0.0 ft	3:16 PM ▲ 0.3 ft			79high
16 Mon	🌕	▲ 6:56 AM ▼ 8:04 PM	1:50 AM ▼ 0.0 ft	4:06 PM ▲ 0.3 ft			74high
17 Tue	🌕	▲ 6:57 AM ▼ 8:03 PM	2:37 AM ▼ 0.1 ft	5:01 PM ▲ 0.2 ft			65average
18 Wed	🌖	▲ 6:57 AM ▼ 8:02 PM	3:15 AM ▼ 0.1 ft	9:18 PM ▲ 0.2 ft			50average
19 Thu	🌖	▲ 6:58 AM ▼ 8:01 PM	3:44 AM ▼ 0.1 ft	5:59 AM ▲ 0.1 ft	7:59 AM ▼ 0.1 ft	12:17 PM ▲ 0.2 ft	33low
20 Fri	🌖	▲ 6:58 AM ▼ 8:00 PM	4:06 AM ▼ 0.2 ft	6:34 AM ▲ 0.2 ft	4:37 PM ▼ 0.1 ft		39low
21 Sat	🌖	▲ 6:59 AM ▼ 7:59 PM	7:06 AM ▲ 0.2 ft	5:26 PM ▼ 0.1 ft			53average

Coefficient compares each day's tidal swing with this station's weak and strong tides over the surrounding month (about 45 = weak, 95 = strong). Bigger swings move more water and bait.

Current conditions

Observed 2:55 AM · Seadrift (9 mi) · sky & visibility from PORT_LAVACA (21 mi)

Wind

6mph

From N (7°)

Gusts 8 mph

Measured at Seadrift

Temperature

63°F

High 66° · Low 62° so far today

Humidity

80%

Dew point 55°F

Visibility

9mi

3-hour trend unavailable

Barometric pressure, last 24 hours

Not enough readings yet.

Barometer at Seadrift, 6-minute readings

Fishing by pressure trend

rising

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Satellite map, currents & salinity

Toggle layers above the map · click an open circle for its forecast

Salinity (PSU ≈ parts per thousand)

0816243240

Fresh river waterGulf seawater ≈ 35

Shading and arrows: NOAA NGOFS2 model surface salinity and currents for Oct 19, 4:00 AM (run 03z 2026-10-19 UTC). Arrow length shows current speed. Labeled dots are measured sensor readings; open circles are model forecast points (click one to see its forecast below).

No salinity sensors near this station reported in the past week.

Model: NOAA Northern Gulf Operational Forecast System (NGOFS2). Sensors: Texas Water Development Board. Imagery: USDA/USGS The National Map.

Currents & salinity forecast

NOAA NGOFS2 model · 48 hours

Model point

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Predictions from NOAA CO-OPS. Strong winds can push Texas bay water levels well above or below these predictions. Not for navigation.