Alva Bay, Revillagigedo Island Tide Chart
Alaska · NOAA Station 9450382 · 55.228°, -131.133°
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This Week’s Tides for Alva Bay, Revillagigedo Island
High and low tide times and heights (ft, MLLW) for the week ahead.
| Low | 12:32 AM | 2.2 ft |
| High | 6:35 AM | 11.0 ft |
| Low | 12:23 PM | 3.2 ft |
| High | 6:49 PM | 13.5 ft |
| Low | 1:39 AM | 2.6 ft |
| High | 7:49 AM | 10.0 ft |
| Low | 1:18 PM | 4.7 ft |
| High | 7:43 PM | 13.0 ft |
| Low | 2:52 AM | 2.6 ft |
| High | 9:16 AM | 9.6 ft |
| Low | 2:27 PM | 5.6 ft |
| High | 8:47 PM | 12.7 ft |
| Low | 4:03 AM | 2.2 ft |
| High | 10:36 AM | 10.0 ft |
| Low | 3:43 PM | 6.0 ft |
| High | 9:51 PM | 12.9 ft |
| Low | 5:01 AM | 1.6 ft |
| High | 11:36 AM | 10.7 ft |
| Low | 4:47 PM | 5.7 ft |
| High | 10:49 PM | 13.3 ft |
| Low | 5:48 AM | 0.8 ft |
| High | 12:21 PM | 11.5 ft |
| Low | 5:39 PM | 5.1 ft |
| High | 11:38 PM | 14.0 ft |
| Low | 6:28 AM | 0.1 ft |
| High | 12:57 PM | 12.2 ft |
| Low | 6:21 PM | 4.4 ft |
Alva Bay, Revillagigedo Island Tide Table — Next 30 Days
Every high and low tide for the next month at Alva Bay, Revillagigedo Island, with heights in feet (MLLW), the daily tidal range, and sunrise & sunset.
| Day | Sunrise | Sunset | Tides (time · ft, MLLW) | Range | |||
|---|---|---|---|---|---|---|---|
| Tue, Jul 21Today | 4:33 AM | 9:08 PM | Low12:32 AM2.2 ft | High6:35 AM11.0 ft | Low12:23 PM3.2 ft | High6:49 PM13.5 ft | 11.3 ft |
| Wed, Jul 22 | 4:35 AM | 9:06 PM | Low1:39 AM2.6 ft | High7:49 AM10.0 ft | Low1:18 PM4.7 ft | High7:43 PM13.0 ft | 10.4 ft |
| Thu, Jul 23 | 4:37 AM | 9:04 PM | Low2:52 AM2.6 ft | High9:16 AM9.6 ft | Low2:27 PM5.6 ft | High8:47 PM12.7 ft | 10.1 ft |
| Fri, Jul 24 | 4:38 AM | 9:03 PM | Low4:03 AM2.2 ft | High10:36 AM10.0 ft | Low3:43 PM6.0 ft | High9:51 PM12.9 ft | 10.7 ft |
| Sat, Jul 25 | 4:40 AM | 9:01 PM | Low5:01 AM1.6 ft | High11:36 AM10.7 ft | Low4:47 PM5.7 ft | High10:49 PM13.3 ft | 11.7 ft |
| Sun, Jul 26 | 4:42 AM | 8:59 PM | Low5:48 AM0.8 ft | High12:21 PM11.5 ft | Low5:39 PM5.1 ft | High11:38 PM14.0 ft | 13.2 ft |
| Mon, Jul 27 | 4:43 AM | 8:58 PM | Low6:28 AM0.1 ft | High12:57 PM12.2 ft | Low6:21 PM4.4 ft | — | 12.1 ft |
| Tue, Jul 28 | 4:45 AM | 8:56 PM | High12:20 AM14.6 ft | Low7:03 AM-0.6 ft | High1:30 PM12.9 ft | Low6:59 PM3.7 ft | 15.2 ft |
| Wed, Jul 29 | 4:47 AM | 8:54 PM | High12:58 AM15.1 ft | Low7:35 AM-1.2 ft | High2:01 PM13.4 ft | Low7:35 PM3.0 ft | 16.3 ft |
| Thu, Jul 30 | 4:49 AM | 8:52 PM | High1:34 AM15.5 ft | Low8:05 AM-1.5 ft | High2:31 PM13.9 ft | Low8:09 PM2.4 ft | 17.0 ft |
| Fri, Jul 31 | 4:50 AM | 8:50 PM | High2:09 AM15.5 ft | Low8:34 AM-1.6 ft | High3:00 PM14.3 ft | Low8:44 PM1.9 ft | 17.1 ft |
| Sat, Aug 1 | 4:52 AM | 8:48 PM | High2:44 AM15.3 ft | Low9:04 AM-1.3 ft | High3:29 PM14.6 ft | Low9:21 PM1.6 ft | 16.6 ft |
| Sun, Aug 2 | 4:54 AM | 8:47 PM | High3:21 AM14.8 ft | Low9:34 AM-0.7 ft | High3:59 PM14.8 ft | Low10:00 PM1.4 ft | 15.5 ft |
| Mon, Aug 3 | 4:56 AM | 8:45 PM | High4:00 AM14.0 ft | Low10:06 AM0.2 ft | High4:31 PM14.8 ft | Low10:45 PM1.4 ft | 14.6 ft |
| Tue, Aug 4 | 4:58 AM | 8:43 PM | High4:45 AM12.9 ft | Low10:42 AM1.4 ft | High5:08 PM14.7 ft | Low11:37 PM1.5 ft | 13.3 ft |
| Wed, Aug 5 | 4:59 AM | 8:41 PM | High5:39 AM11.8 ft | Low11:25 AM2.8 ft | High5:54 PM14.4 ft | — | 11.6 ft |
| Thu, Aug 6 | 5:01 AM | 8:38 PM | Low12:41 AM1.7 ft | High6:49 AM10.7 ft | Low12:19 PM4.2 ft | High6:52 PM14.2 ft | 12.5 ft |
| Fri, Aug 7 | 5:03 AM | 8:36 PM | Low1:58 AM1.6 ft | High8:18 AM10.2 ft | Low1:34 PM5.2 ft | High8:07 PM14.1 ft | 12.5 ft |
| Sat, Aug 8 | 5:05 AM | 8:34 PM | Low3:21 AM0.9 ft | High9:52 AM10.7 ft | Low3:05 PM5.5 ft | High9:28 PM14.5 ft | 13.6 ft |
| Sun, Aug 9 | 5:07 AM | 8:32 PM | Low4:33 AM-0.2 ft | High11:05 AM11.8 ft | Low4:27 PM4.8 ft | High10:41 PM15.4 ft | 15.6 ft |
| Mon, Aug 10 | 5:09 AM | 8:30 PM | Low5:32 AM-1.4 ft | High12:01 PM13.1 ft | Low5:32 PM3.6 ft | High11:42 PM16.4 ft | 17.8 ft |
| Tue, Aug 11 | 5:11 AM | 8:28 PM | Low6:22 AM-2.5 ft | High12:48 PM14.3 ft | Low6:26 PM2.3 ft | — | 16.8 ft |
| Wed, Aug 12 | 5:12 AM | 8:26 PM | High12:35 AM17.1 ft | Low7:06 AM-3.1 ft | High1:29 PM15.3 ft | Low7:14 PM1.1 ft | 20.2 ft |
| Thu, Aug 13 | 5:14 AM | 8:23 PM | High1:23 AM17.5 ft | Low7:47 AM-3.3 ft | High2:08 PM16.0 ft | Low7:59 PM0.2 ft | 20.8 ft |
| Fri, Aug 14 | 5:16 AM | 8:21 PM | High2:08 AM17.2 ft | Low8:25 AM-2.9 ft | High2:45 PM16.4 ft | Low8:42 PM-0.2 ft | 20.1 ft |
| Sat, Aug 15 | 5:18 AM | 8:19 PM | High2:51 AM16.5 ft | Low9:02 AM-2.0 ft | High3:20 PM16.3 ft | Low9:25 PM-0.2 ft | 18.5 ft |
| Sun, Aug 16 | 5:20 AM | 8:16 PM | High3:33 AM15.4 ft | Low9:38 AM-0.7 ft | High3:55 PM15.9 ft | Low10:07 PM0.3 ft | 16.6 ft |
| Mon, Aug 17 | 5:22 AM | 8:14 PM | High4:15 AM14.0 ft | Low10:13 AM0.9 ft | High4:29 PM15.2 ft | Low10:52 PM1.0 ft | 14.3 ft |
| Tue, Aug 18 | 5:24 AM | 8:12 PM | High5:00 AM12.5 ft | Low10:49 AM2.6 ft | High5:05 PM14.3 ft | Low11:41 PM1.9 ft | 12.4 ft |
| Wed, Aug 19 | 5:26 AM | 8:09 PM | High5:53 AM11.0 ft | Low11:29 AM4.3 ft | High5:47 PM13.3 ft | — | 9.0 ft |
About Alva Bay, Revillagigedo Island tides
Tide predictions for Alva Bay, Revillagigedo Island come from NOAA station 9450382 (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.
Alva Bay, Revillagigedo 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 Alva Bay, Revillagigedo Island today?+
Today (Tuesday, July 21), high tide at Alva Bay, Revillagigedo Island is at 6:35 AM (11.0 ft), 6:49 PM (13.5 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Alva Bay, Revillagigedo Island today?+
Today, low tide at Alva Bay, Revillagigedo Island is at 12:32 AM (2.2 ft), 12:23 PM (3.2 ft).
What tidal datum do these Alva Bay, Revillagigedo 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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