Nehenta Bay, Gravina Island Tide Chart
Alaska · NOAA Station 9450339 · 55.167°, -131.797°
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This Week’s Tides for Nehenta Bay, Gravina Island
High and low tide times and heights (ft, MLLW) for the week ahead.
| Low | 12:34 AM | 2.2 ft |
| High | 6:39 AM | 10.6 ft |
| Low | 12:25 PM | 3.2 ft |
| High | 6:53 PM | 13.1 ft |
| Low | 1:41 AM | 2.6 ft |
| High | 7:53 AM | 9.7 ft |
| Low | 1:20 PM | 4.7 ft |
| High | 7:47 PM | 12.6 ft |
| Low | 2:54 AM | 2.6 ft |
| High | 9:20 AM | 9.3 ft |
| Low | 2:29 PM | 5.6 ft |
| High | 8:51 PM | 12.3 ft |
| Low | 4:05 AM | 2.2 ft |
| High | 10:40 AM | 9.7 ft |
| Low | 3:45 PM | 6.0 ft |
| High | 9:55 PM | 12.5 ft |
| Low | 5:03 AM | 1.6 ft |
| High | 11:40 AM | 10.4 ft |
| Low | 4:49 PM | 5.7 ft |
| High | 10:53 PM | 12.9 ft |
| Low | 5:50 AM | 0.8 ft |
| High | 12:25 PM | 11.1 ft |
| Low | 5:41 PM | 5.1 ft |
| High | 11:42 PM | 13.5 ft |
| Low | 6:30 AM | 0.1 ft |
| High | 1:01 PM | 11.8 ft |
| Low | 6:23 PM | 4.4 ft |
Nehenta Bay, Gravina Island Tide Table — Next 30 Days
Every high and low tide for the next month at Nehenta Bay, Gravina Island, with heights in feet (MLLW), the daily tidal range, and sunrise & sunset.
| Day | Sunrise | Sunset | Tides (time · ft, MLLW) | Range | |||
|---|---|---|---|---|---|---|---|
| Tue, Jul 21Today | 4:36 AM | 9:10 PM | Low12:34 AM2.2 ft | High6:39 AM10.6 ft | Low12:25 PM3.2 ft | High6:53 PM13.1 ft | 10.9 ft |
| Wed, Jul 22 | 4:38 AM | 9:08 PM | Low1:41 AM2.6 ft | High7:53 AM9.7 ft | Low1:20 PM4.7 ft | High7:47 PM12.6 ft | 10.0 ft |
| Thu, Jul 23 | 4:40 AM | 9:07 PM | Low2:54 AM2.6 ft | High9:20 AM9.3 ft | Low2:29 PM5.6 ft | High8:51 PM12.3 ft | 9.7 ft |
| Fri, Jul 24 | 4:41 AM | 9:05 PM | Low4:05 AM2.2 ft | High10:40 AM9.7 ft | Low3:45 PM6.0 ft | High9:55 PM12.5 ft | 10.3 ft |
| Sat, Jul 25 | 4:43 AM | 9:04 PM | Low5:03 AM1.6 ft | High11:40 AM10.4 ft | Low4:49 PM5.7 ft | High10:53 PM12.9 ft | 11.3 ft |
| Sun, Jul 26 | 4:45 AM | 9:02 PM | Low5:50 AM0.8 ft | High12:25 PM11.1 ft | Low5:41 PM5.1 ft | High11:42 PM13.5 ft | 12.7 ft |
| Mon, Jul 27 | 4:46 AM | 9:00 PM | Low6:30 AM0.1 ft | High1:01 PM11.8 ft | Low6:23 PM4.4 ft | — | 11.7 ft |
| Tue, Jul 28 | 4:48 AM | 8:58 PM | High12:24 AM14.2 ft | Low7:05 AM-0.6 ft | High1:34 PM12.5 ft | Low7:01 PM3.7 ft | 14.8 ft |
| Wed, Jul 29 | 4:50 AM | 8:56 PM | High1:02 AM14.7 ft | Low7:37 AM-1.2 ft | High2:05 PM13.0 ft | Low7:37 PM3.0 ft | 15.9 ft |
| Thu, Jul 30 | 4:52 AM | 8:55 PM | High1:38 AM15.0 ft | Low8:07 AM-1.5 ft | High2:35 PM13.5 ft | Low8:11 PM2.4 ft | 16.5 ft |
| Fri, Jul 31 | 4:53 AM | 8:53 PM | High2:13 AM15.0 ft | Low8:36 AM-1.6 ft | High3:04 PM13.9 ft | Low8:46 PM1.9 ft | 16.6 ft |
| Sat, Aug 1 | 4:55 AM | 8:51 PM | High2:48 AM14.8 ft | Low9:06 AM-1.3 ft | High3:33 PM14.2 ft | Low9:23 PM1.6 ft | 16.1 ft |
| Sun, Aug 2 | 4:57 AM | 8:49 PM | High3:25 AM14.3 ft | Low9:36 AM-0.7 ft | High4:03 PM14.3 ft | Low10:02 PM1.4 ft | 15.0 ft |
| Mon, Aug 3 | 4:59 AM | 8:47 PM | High4:04 AM13.5 ft | Low10:08 AM0.2 ft | High4:35 PM14.4 ft | Low10:47 PM1.4 ft | 14.2 ft |
| Tue, Aug 4 | 5:01 AM | 8:45 PM | High4:49 AM12.5 ft | Low10:44 AM1.4 ft | High5:12 PM14.2 ft | Low11:39 PM1.5 ft | 12.8 ft |
| Wed, Aug 5 | 5:02 AM | 8:43 PM | High5:43 AM11.4 ft | Low11:27 AM2.8 ft | High5:58 PM14.0 ft | — | 11.2 ft |
| Thu, Aug 6 | 5:04 AM | 8:41 PM | Low12:43 AM1.7 ft | High6:53 AM10.4 ft | Low12:21 PM4.2 ft | High6:56 PM13.7 ft | 12.0 ft |
| Fri, Aug 7 | 5:06 AM | 8:39 PM | Low2:00 AM1.6 ft | High8:22 AM9.9 ft | Low1:36 PM5.2 ft | High8:11 PM13.7 ft | 12.1 ft |
| Sat, Aug 8 | 5:08 AM | 8:37 PM | Low3:23 AM0.9 ft | High9:56 AM10.4 ft | Low3:07 PM5.5 ft | High9:32 PM14.1 ft | 13.2 ft |
| Sun, Aug 9 | 5:10 AM | 8:35 PM | Low4:35 AM-0.2 ft | High11:09 AM11.4 ft | Low4:29 PM4.8 ft | High10:45 PM14.9 ft | 15.1 ft |
| Mon, Aug 10 | 5:12 AM | 8:32 PM | Low5:34 AM-1.4 ft | High12:05 PM12.7 ft | Low5:34 PM3.6 ft | High11:46 PM15.9 ft | 17.3 ft |
| Tue, Aug 11 | 5:13 AM | 8:30 PM | Low6:24 AM-2.5 ft | High12:52 PM13.8 ft | Low6:28 PM2.3 ft | — | 16.3 ft |
| Wed, Aug 12 | 5:15 AM | 8:28 PM | High12:39 AM16.6 ft | Low7:08 AM-3.1 ft | High1:33 PM14.8 ft | Low7:16 PM1.1 ft | 19.7 ft |
| Thu, Aug 13 | 5:17 AM | 8:26 PM | High1:27 AM16.9 ft | Low7:49 AM-3.3 ft | High2:12 PM15.5 ft | Low8:01 PM0.2 ft | 20.2 ft |
| Fri, Aug 14 | 5:19 AM | 8:23 PM | High2:12 AM16.7 ft | Low8:27 AM-2.9 ft | High2:49 PM15.9 ft | Low8:44 PM-0.2 ft | 19.6 ft |
| Sat, Aug 15 | 5:21 AM | 8:21 PM | High2:55 AM16.0 ft | Low9:04 AM-2.0 ft | High3:24 PM15.8 ft | Low9:27 PM-0.2 ft | 18.0 ft |
| Sun, Aug 16 | 5:23 AM | 8:19 PM | High3:37 AM14.9 ft | Low9:40 AM-0.7 ft | High3:59 PM15.4 ft | Low10:09 PM0.3 ft | 16.1 ft |
| Mon, Aug 17 | 5:25 AM | 8:17 PM | High4:19 AM13.6 ft | Low10:15 AM0.9 ft | High4:33 PM14.8 ft | Low10:54 PM1.0 ft | 13.9 ft |
| Tue, Aug 18 | 5:27 AM | 8:14 PM | High5:04 AM12.1 ft | Low10:51 AM2.6 ft | High5:09 PM13.9 ft | Low11:43 PM1.9 ft | 12.0 ft |
| Wed, Aug 19 | 5:29 AM | 8:12 PM | High5:57 AM10.7 ft | Low11:31 AM4.3 ft | High5:51 PM12.9 ft | — | 8.6 ft |
About Nehenta Bay, Gravina Island tides
Tide predictions for Nehenta Bay, Gravina Island come from NOAA station 9450339 (Alaska), 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.
Nehenta Bay, Gravina Island 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 Nehenta Bay, Gravina Island today?+
Today (Tuesday, July 21), high tide at Nehenta Bay, Gravina Island is at 6:39 AM (10.6 ft), 6:53 PM (13.1 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Nehenta Bay, Gravina Island today?+
Today, low tide at Nehenta Bay, Gravina Island is at 12:34 AM (2.2 ft), 12:25 PM (3.2 ft).
What tidal datum do these Nehenta Bay, Gravina Island 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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