Alaska · NOAA Station 9451718 · 57.218°, -133.512°
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High and low tide times and heights (ft, MLLW) for the week ahead.
| Low | 1:02 AM | 2.4 ft |
| High | 7:02 AM | 10.7 ft |
| Low | 12:58 PM | 3.6 ft |
| High | 7:17 PM | 13.4 ft |
| Low | 2:06 AM | 2.8 ft |
| High | 8:19 AM | 9.6 ft |
| Low | 1:57 PM | 5.2 ft |
| High | 8:12 PM | 12.9 ft |
| Low | 3:17 AM | 3.0 ft |
| High | 9:51 AM | 9.3 ft |
| Low | 3:10 PM | 6.3 ft |
| High | 9:14 PM | 12.6 ft |
| Low | 4:28 AM | 2.6 ft |
| High | 11:14 AM | 9.8 ft |
| Low | 4:26 PM | 6.5 ft |
| High | 10:18 PM | 12.8 ft |
| Low | 5:28 AM | 1.9 ft |
| High | 12:14 PM | 10.6 ft |
| Low | 5:29 PM | 6.2 ft |
| High | 11:15 PM | 13.3 ft |
| Low | 6:16 AM | 1.1 ft |
| High | 12:58 PM | 11.4 ft |
| Low | 6:19 PM | 5.4 ft |
| High | 12:04 AM | 14.0 ft |
| Low | 6:56 AM | 0.2 ft |
| High | 1:34 PM | 12.2 ft |
| Low | 7:01 PM | 4.6 ft |
Every high and low tide for the next month at Cleveland Passage, Whitney Island, with heights in feet (MLLW), the daily tidal range, and sunrise & sunset.
| Day | Sunrise | Sunset | Tides (time · ft, MLLW) | Range | |||
|---|---|---|---|---|---|---|---|
| Tue, Jul 21Today | 4:31 AM | 9:29 PM | Low1:02 AM2.4 ft | High7:02 AM10.7 ft | Low12:58 PM3.6 ft | High7:17 PM13.4 ft | 11.0 ft |
| Wed, Jul 22 | 4:32 AM | 9:28 PM | Low2:06 AM2.8 ft | High8:19 AM9.6 ft | Low1:57 PM5.2 ft | High8:12 PM12.9 ft | 10.1 ft |
| Thu, Jul 23 | 4:34 AM | 9:26 PM | Low3:17 AM3.0 ft | High9:51 AM9.3 ft | Low3:10 PM6.3 ft | High9:14 PM12.6 ft | 9.6 ft |
| Fri, Jul 24 | 4:36 AM | 9:24 PM | Low4:28 AM2.6 ft | High11:14 AM9.8 ft | Low4:26 PM6.5 ft | High10:18 PM12.8 ft | 10.2 ft |
| Sat, Jul 25 | 4:38 AM | 9:22 PM | Low5:28 AM1.9 ft | High12:14 PM10.6 ft | Low5:29 PM6.2 ft | High11:15 PM13.3 ft | 11.4 ft |
| Sun, Jul 26 | 4:40 AM | 9:20 PM | Low6:16 AM1.1 ft | High12:58 PM11.4 ft | Low6:19 PM5.4 ft | — | 10.3 ft |
| Mon, Jul 27 | 4:42 AM | 9:18 PM | High12:04 AM14.0 ft | Low6:56 AM0.2 ft | High1:34 PM12.2 ft | Low7:01 PM4.6 ft | 13.8 ft |
| Tue, Jul 28 | 4:44 AM | 9:16 PM | High12:48 AM14.7 ft | Low7:31 AM-0.6 ft | High2:07 PM12.8 ft | Low7:38 PM3.8 ft | 15.3 ft |
| Wed, Jul 29 | 4:46 AM | 9:14 PM | High1:27 AM15.2 ft | Low8:04 AM-1.2 ft | High2:36 PM13.4 ft | Low8:13 PM3.1 ft | 16.4 ft |
| Thu, Jul 30 | 4:48 AM | 9:12 PM | High2:03 AM15.6 ft | Low8:34 AM-1.6 ft | High3:04 PM13.9 ft | Low8:47 PM2.4 ft | 17.2 ft |
| Fri, Jul 31 | 4:50 AM | 9:10 PM | High2:39 AM15.6 ft | Low9:04 AM-1.7 ft | High3:32 PM14.3 ft | Low9:20 PM1.9 ft | 17.3 ft |
| Sat, Aug 1 | 4:52 AM | 9:08 PM | High3:13 AM15.4 ft | Low9:34 AM-1.5 ft | High3:59 PM14.6 ft | Low9:55 PM1.6 ft | 16.9 ft |
| Sun, Aug 2 | 4:54 AM | 9:06 PM | High3:49 AM14.8 ft | Low10:05 AM-0.8 ft | High4:27 PM14.8 ft | Low10:33 PM1.4 ft | 15.6 ft |
| Mon, Aug 3 | 4:56 AM | 9:04 PM | High4:27 AM13.9 ft | Low10:38 AM0.2 ft | High4:58 PM14.9 ft | Low11:16 PM1.4 ft | 14.7 ft |
| Tue, Aug 4 | 4:58 AM | 9:02 PM | High5:10 AM12.8 ft | Low11:15 AM1.6 ft | High5:35 PM14.8 ft | — | 13.2 ft |
| Wed, Aug 5 | 5:00 AM | 8:59 PM | Low12:06 AM1.5 ft | High6:03 AM11.6 ft | Low11:59 AM3.2 ft | High6:21 PM14.5 ft | 13.0 ft |
| Thu, Aug 6 | 5:02 AM | 8:57 PM | Low1:08 AM1.8 ft | High7:13 AM10.4 ft | Low12:56 PM4.7 ft | High7:21 PM14.1 ft | 12.3 ft |
| Fri, Aug 7 | 5:04 AM | 8:55 PM | Low2:23 AM1.8 ft | High8:50 AM9.8 ft | Low2:16 PM5.9 ft | High8:37 PM14.0 ft | 12.2 ft |
| Sat, Aug 8 | 5:06 AM | 8:52 PM | Low3:46 AM1.2 ft | High10:32 AM10.4 ft | Low3:50 PM6.0 ft | High9:58 PM14.5 ft | 13.3 ft |
| Sun, Aug 9 | 5:08 AM | 8:50 PM | Low5:00 AM0.0 ft | High11:46 AM11.6 ft | Low5:10 PM5.1 ft | High11:10 PM15.5 ft | 15.5 ft |
| Mon, Aug 10 | 5:10 AM | 8:48 PM | Low6:01 AM-1.4 ft | High12:40 PM13.1 ft | Low6:12 PM3.7 ft | — | 14.5 ft |
| Tue, Aug 11 | 5:12 AM | 8:45 PM | High12:11 AM16.5 ft | Low6:51 AM-2.6 ft | High1:25 PM14.4 ft | Low7:04 PM2.1 ft | 19.1 ft |
| Wed, Aug 12 | 5:14 AM | 8:43 PM | High1:05 AM17.3 ft | Low7:37 AM-3.4 ft | High2:06 PM15.4 ft | Low7:51 PM0.8 ft | 20.7 ft |
| Thu, Aug 13 | 5:16 AM | 8:40 PM | High1:53 AM17.6 ft | Low8:18 AM-3.7 ft | High2:43 PM16.2 ft | Low8:35 PM-0.1 ft | 21.3 ft |
| Fri, Aug 14 | 5:18 AM | 8:38 PM | High2:38 AM17.4 ft | Low8:57 AM-3.3 ft | High3:18 PM16.5 ft | Low9:18 PM-0.6 ft | 20.7 ft |
| Sat, Aug 15 | 5:20 AM | 8:36 PM | High3:21 AM16.6 ft | Low9:35 AM-2.3 ft | High3:52 PM16.5 ft | Low9:59 PM-0.5 ft | 18.9 ft |
| Sun, Aug 16 | 5:22 AM | 8:33 PM | High4:02 AM15.5 ft | Low10:11 AM-0.8 ft | High4:25 PM16.1 ft | Low10:40 PM0.0 ft | 16.9 ft |
| Mon, Aug 17 | 5:24 AM | 8:31 PM | High4:43 AM14.0 ft | Low10:47 AM1.0 ft | High4:58 PM15.3 ft | Low11:23 PM0.9 ft | 14.4 ft |
| Tue, Aug 18 | 5:26 AM | 8:28 PM | High5:27 AM12.3 ft | Low11:24 AM2.9 ft | High5:33 PM14.4 ft | — | 11.5 ft |
| Wed, Aug 19 | 5:29 AM | 8:25 PM | Low12:09 AM2.0 ft | High6:18 AM10.7 ft | Low12:05 PM4.8 ft | High6:14 PM13.3 ft | 11.3 ft |
Tide predictions for Cleveland Passage, Whitney Island come from NOAA station 9451718 (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.
Cleveland Passage, Whitney 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.
Today (Tuesday, July 21), high tide at Cleveland Passage, Whitney Island is at 7:02 AM (10.7 ft), 7:17 PM (13.4 ft). Heights are referenced to MLLW (Mean Lower Low Water).
Today, low tide at Cleveland Passage, Whitney Island is at 1:02 AM (2.4 ft), 12:58 PM (3.6 ft).
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.
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.