Grand Bay NERR, Mississippi Sound Tide Chart
Mississippi · NOAA Station 8740166 · 30.413°, -88.403°
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This Week’s Tides for Grand Bay NERR, Mississippi Sound
High and low tide times and heights (ft, MLLW) for the week ahead.
| High | 4:18 AM | 1.5 ft |
| Low | 6:05 PM | 0.1 ft |
| High | 4:59 AM | 1.6 ft |
| Low | 6:28 PM | 0.0 ft |
| High | 5:47 AM | 1.7 ft |
| Low | 6:47 PM | -0.1 ft |
| High | 6:48 AM | 1.7 ft |
| Low | 7:03 PM | -0.2 ft |
| High | 7:54 AM | 1.8 ft |
| Low | 7:21 PM | -0.2 ft |
| High | 8:49 AM | 1.8 ft |
| Low | 7:44 PM | -0.2 ft |
| High | 9:38 AM | 1.8 ft |
| Low | 8:09 PM | -0.2 ft |
Grand Bay NERR, Mississippi Sound Tide Table — Next 30 Days
Every high and low tide for the next month at Grand Bay NERR, Mississippi Sound, with heights in feet (MLLW), the daily tidal range, and sunrise & sunset.
| Day | Sunrise | Sunset | Tides (time · ft, MLLW) | Range | |||
|---|---|---|---|---|---|---|---|
| Wed, Jul 22Today | 6:06 AM | 7:54 PM | High4:18 AM1.5 ft | Low6:05 PM0.1 ft | — | — | 1.4 ft |
| Thu, Jul 23 | 6:06 AM | 7:54 PM | High4:59 AM1.6 ft | Low6:28 PM0.0 ft | — | — | 1.6 ft |
| Fri, Jul 24 | 6:07 AM | 7:53 PM | High5:47 AM1.7 ft | Low6:47 PM-0.1 ft | — | — | 1.8 ft |
| Sat, Jul 25 | 6:07 AM | 7:52 PM | High6:48 AM1.7 ft | Low7:03 PM-0.2 ft | — | — | 1.9 ft |
| Sun, Jul 26 | 6:08 AM | 7:52 PM | High7:54 AM1.8 ft | Low7:21 PM-0.2 ft | — | — | 2.0 ft |
| Mon, Jul 27 | 6:09 AM | 7:51 PM | High8:49 AM1.8 ft | Low7:44 PM-0.2 ft | — | — | 2.0 ft |
| Tue, Jul 28 | 6:09 AM | 7:51 PM | High9:38 AM1.8 ft | Low8:09 PM-0.2 ft | — | — | 2.0 ft |
| Wed, Jul 29 | 6:10 AM | 7:50 PM | High10:22 AM1.8 ft | Low8:29 PM-0.1 ft | — | — | 1.9 ft |
| Thu, Jul 30 | 6:10 AM | 7:49 PM | High11:02 AM1.7 ft | Low8:40 PM0.0 ft | — | — | 1.7 ft |
| Fri, Jul 31 | 6:11 AM | 7:48 PM | High11:38 AM1.6 ft | Low8:37 PM0.2 ft | — | — | 1.4 ft |
| Sat, Aug 1 | 6:12 AM | 7:48 PM | High12:11 PM1.4 ft | Low8:27 PM0.3 ft | — | — | 1.1 ft |
| Sun, Aug 2 | 6:12 AM | 7:47 PM | High4:35 AM0.8 ft | Low7:14 AM0.7 ft | High12:43 PM1.1 ft | Low8:23 PM0.5 ft | 0.6 ft |
| Mon, Aug 3 | 6:13 AM | 7:46 PM | High4:12 AM0.9 ft | Low8:44 AM0.6 ft | High1:14 PM0.8 ft | Low8:17 PM0.6 ft | 0.3 ft |
| Tue, Aug 4 | 6:14 AM | 7:45 PM | High2:43 AM1.1 ft | Low11:00 AM0.5 ft | High1:33 PM0.5 ft | Low4:13 PM0.5 ft | 0.6 ft |
| Wed, Aug 5 | 6:14 AM | 7:45 PM | High3:09 AM1.4 ft | Low3:59 PM0.2 ft | — | — | 1.2 ft |
| Thu, Aug 6 | 6:15 AM | 7:44 PM | High3:50 AM1.6 ft | Low4:40 PM-0.1 ft | — | — | 1.7 ft |
| Fri, Aug 7 | 6:15 AM | 7:43 PM | High4:38 AM1.8 ft | Low5:33 PM-0.3 ft | — | — | 2.1 ft |
| Sat, Aug 8 | 6:16 AM | 7:42 PM | High5:35 AM1.9 ft | Low6:21 PM-0.5 ft | — | — | 2.4 ft |
| Sun, Aug 9 | 6:17 AM | 7:41 PM | High6:51 AM2.0 ft | Low7:06 PM-0.5 ft | — | — | 2.5 ft |
| Mon, Aug 10 | 6:17 AM | 7:40 PM | High8:13 AM2.0 ft | Low7:52 PM-0.5 ft | — | — | 2.5 ft |
| Tue, Aug 11 | 6:18 AM | 7:39 PM | High9:21 AM1.9 ft | Low8:40 PM-0.3 ft | — | — | 2.2 ft |
| Wed, Aug 12 | 6:18 AM | 7:38 PM | High10:25 AM1.8 ft | Low8:51 PM0.0 ft | — | — | 1.8 ft |
| Thu, Aug 13 | 6:19 AM | 7:37 PM | High11:27 AM1.6 ft | Low8:13 PM0.2 ft | — | — | 1.4 ft |
| Fri, Aug 14 | 6:20 AM | 7:36 PM | High11:58 AM1.3 ft | Low8:04 PM0.4 ft | — | — | 0.9 ft |
| Sat, Aug 15 | 6:20 AM | 7:35 PM | High3:41 AM0.7 ft | Low6:52 AM0.5 ft | High3:09 PM1.0 ft | Low7:53 PM0.6 ft | 0.5 ft |
| Sun, Aug 16 | 6:21 AM | 7:34 PM | High12:27 AM0.9 ft | Low8:11 AM0.5 ft | High4:42 PM0.8 ft | Low7:26 PM0.7 ft | 0.4 ft |
| Mon, Aug 17 | 6:21 AM | 7:33 PM | High1:05 AM1.2 ft | Low10:06 AM0.5 ft | High12:55 PM0.5 ft | Low3:01 PM0.5 ft | 0.7 ft |
| Tue, Aug 18 | 6:22 AM | 7:32 PM | High1:47 AM1.4 ft | Low3:35 PM0.3 ft | — | — | 1.1 ft |
| Wed, Aug 19 | 6:23 AM | 7:31 PM | High2:36 AM1.5 ft | Low4:14 PM0.2 ft | — | — | 1.3 ft |
| Thu, Aug 20 | 6:23 AM | 7:30 PM | High3:27 AM1.6 ft | Low4:56 PM0.1 ft | — | — | 1.5 ft |
About Grand Bay NERR, Mississippi Sound tides
Tide predictions for Grand Bay NERR, Mississippi Sound come from NOAA station 8740166 (Mississippi), computed from long-term harmonic analysis of observed water levels. Heights are shown in feet relative to MLLW (Mean Lower Low Water) — the same datum used on US nautical charts — so they line up directly with charted depths.
Grand Bay NERR, Mississippi Sound typically sees a mixed semidiurnal tide, with two highs and two lows of differing heights each day. Use the curve above to time a harbor entrance, a beach walk, fishing a moving tide, or clearing a shallow bar — and remember that wind and pressure can push the real water level above or below prediction. The daily tidal range in the 30-day table shows how much water moves each day: bigger ranges around the new and full moon mean stronger currents.
Frequently asked
What time is high tide in Grand Bay NERR, Mississippi Sound today?+
Today (Wednesday, July 22), high tide at Grand Bay NERR, Mississippi Sound is at 4:18 AM (1.5 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Grand Bay NERR, Mississippi Sound today?+
Today, low tide at Grand Bay NERR, Mississippi Sound is at 6:05 PM (0.1 ft).
What tidal datum do these Grand Bay NERR, Mississippi Sound tide heights use?+
All heights are given in feet relative to MLLW (Mean Lower Low Water), the standard NOAA chart datum for US tidal waters. A tide of 0.0 ft equals the chart datum; negative tides fall below it.
How accurate are these tide predictions?+
These are NOAA harmonic predictions — highly accurate for the astronomical tide. Real water levels can still differ with wind, barometric pressure, and storms, so always check current conditions before getting underway.
Never mistime a tide again.
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