Columbia Glacier Tide Chart
Alaska · NOAA Station 9454460 · 61.023°, -147.085°
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This Week’s Tides for Columbia Glacier
High and low tide times and heights (ft, MLLW) for the week ahead.
| Low | 2:28 AM | 2.5 ft |
| High | 8:51 AM | 7.4 ft |
| Low | 1:55 PM | 4.1 ft |
| High | 8:43 PM | 10.8 ft |
| Low | 3:41 AM | 2.4 ft |
| High | 10:21 AM | 7.4 ft |
| Low | 2:59 PM | 5.0 ft |
| High | 9:41 PM | 10.8 ft |
| Low | 4:49 AM | 1.9 ft |
| High | 11:40 AM | 7.7 ft |
| Low | 4:10 PM | 5.3 ft |
| High | 10:38 PM | 11.0 ft |
| Low | 5:44 AM | 1.2 ft |
| High | 12:39 PM | 8.3 ft |
| Low | 5:14 PM | 5.2 ft |
| High | 11:32 PM | 11.3 ft |
| Low | 6:28 AM | 0.5 ft |
| High | 1:21 PM | 8.9 ft |
| Low | 6:07 PM | 4.9 ft |
| High | 12:19 AM | 11.7 ft |
| Low | 7:07 AM | -0.1 ft |
| High | 1:54 PM | 9.5 ft |
| Low | 6:51 PM | 4.4 ft |
| High | 1:00 AM | 12.1 ft |
| Low | 7:42 AM | -0.7 ft |
| High | 2:24 PM | 10.0 ft |
| Low | 7:32 PM | 3.8 ft |
Columbia Glacier Tide Table — Next 30 Days
Every high and low tide for the next month at Columbia Glacier, with heights in feet (MLLW), the daily tidal range, and sunrise & sunset.
| Day | Sunrise | Sunset | Tides (time · ft, MLLW) | Range | |||
|---|---|---|---|---|---|---|---|
| Wed, Jul 22Today | 4:58 AM | 10:51 PM | Low2:28 AM2.5 ft | High8:51 AM7.4 ft | Low1:55 PM4.1 ft | High8:43 PM10.8 ft | 8.3 ft |
| Thu, Jul 23 | 5:00 AM | 10:48 PM | Low3:41 AM2.4 ft | High10:21 AM7.4 ft | Low2:59 PM5.0 ft | High9:41 PM10.8 ft | 8.4 ft |
| Fri, Jul 24 | 5:02 AM | 10:46 PM | Low4:49 AM1.9 ft | High11:40 AM7.7 ft | Low4:10 PM5.3 ft | High10:38 PM11.0 ft | 9.1 ft |
| Sat, Jul 25 | 5:05 AM | 10:44 PM | Low5:44 AM1.2 ft | High12:39 PM8.3 ft | Low5:14 PM5.2 ft | High11:32 PM11.3 ft | 10.1 ft |
| Sun, Jul 26 | 5:07 AM | 10:41 PM | Low6:28 AM0.5 ft | High1:21 PM8.9 ft | Low6:07 PM4.9 ft | — | 8.4 ft |
| Mon, Jul 27 | 5:10 AM | 10:39 PM | High12:19 AM11.7 ft | Low7:07 AM-0.1 ft | High1:54 PM9.5 ft | Low6:51 PM4.4 ft | 11.8 ft |
| Tue, Jul 28 | 5:12 AM | 10:36 PM | High1:00 AM12.1 ft | Low7:42 AM-0.7 ft | High2:24 PM10.0 ft | Low7:32 PM3.8 ft | 12.8 ft |
| Wed, Jul 29 | 5:14 AM | 10:34 PM | High1:36 AM12.4 ft | Low8:15 AM-1.1 ft | High2:52 PM10.4 ft | Low8:10 PM3.3 ft | 13.5 ft |
| Thu, Jul 30 | 5:17 AM | 10:31 PM | High2:10 AM12.5 ft | Low8:48 AM-1.3 ft | High3:19 PM10.8 ft | Low8:48 PM2.9 ft | 13.8 ft |
| Fri, Jul 31 | 5:19 AM | 10:29 PM | High2:43 AM12.4 ft | Low9:20 AM-1.2 ft | High3:45 PM11.1 ft | Low9:27 PM2.5 ft | 13.6 ft |
| Sat, Aug 1 | 5:22 AM | 10:26 PM | High3:16 AM12.1 ft | Low9:51 AM-0.9 ft | High4:10 PM11.3 ft | Low10:07 PM2.2 ft | 13.0 ft |
| Sun, Aug 2 | 5:24 AM | 10:23 PM | High3:51 AM11.6 ft | Low10:24 AM-0.3 ft | High4:38 PM11.6 ft | Low10:49 PM2.0 ft | 11.9 ft |
| Mon, Aug 3 | 5:27 AM | 10:21 PM | High4:29 AM10.9 ft | Low10:57 AM0.6 ft | High5:08 PM11.8 ft | Low11:35 PM1.9 ft | 11.2 ft |
| Tue, Aug 4 | 5:30 AM | 10:18 PM | High5:14 AM10.0 ft | Low11:32 AM1.6 ft | High5:44 PM11.9 ft | — | 10.3 ft |
| Wed, Aug 5 | 5:32 AM | 10:15 PM | Low12:28 AM1.8 ft | High6:10 AM9.0 ft | Low12:13 PM2.8 ft | High6:29 PM11.9 ft | 10.1 ft |
| Thu, Aug 6 | 5:35 AM | 10:12 PM | Low1:32 AM1.8 ft | High7:30 AM8.1 ft | Low1:04 PM3.9 ft | High7:29 PM11.9 ft | 10.1 ft |
| Fri, Aug 7 | 5:37 AM | 10:10 PM | Low2:48 AM1.5 ft | High9:15 AM7.7 ft | Low2:17 PM4.8 ft | High8:42 PM12.0 ft | 10.5 ft |
| Sat, Aug 8 | 5:40 AM | 10:07 PM | Low4:08 AM0.8 ft | High10:53 AM8.2 ft | Low3:44 PM5.1 ft | High10:01 PM12.3 ft | 11.5 ft |
| Sun, Aug 9 | 5:42 AM | 10:04 PM | Low5:17 AM-0.2 ft | High12:06 PM9.1 ft | Low5:03 PM4.6 ft | High11:14 PM12.9 ft | 13.1 ft |
| Mon, Aug 10 | 5:45 AM | 10:01 PM | Low6:15 AM-1.2 ft | High12:59 PM10.1 ft | Low6:07 PM3.7 ft | — | 11.3 ft |
| Tue, Aug 11 | 5:47 AM | 9:58 PM | High12:18 AM13.5 ft | Low7:04 AM-2.0 ft | High1:43 PM11.0 ft | Low7:02 PM2.7 ft | 15.5 ft |
| Wed, Aug 12 | 5:50 AM | 9:55 PM | High1:13 AM14.0 ft | Low7:48 AM-2.5 ft | High2:22 PM11.8 ft | Low7:52 PM1.8 ft | 16.5 ft |
| Thu, Aug 13 | 5:52 AM | 9:52 PM | High2:02 AM14.0 ft | Low8:30 AM-2.4 ft | High2:59 PM12.4 ft | Low8:39 PM1.1 ft | 16.4 ft |
| Fri, Aug 14 | 5:55 AM | 9:49 PM | High2:47 AM13.7 ft | Low9:09 AM-2.0 ft | High3:34 PM12.7 ft | Low9:25 PM0.8 ft | 15.7 ft |
| Sat, Aug 15 | 5:58 AM | 9:47 PM | High3:30 AM12.9 ft | Low9:46 AM-1.1 ft | High4:08 PM12.7 ft | Low10:11 PM0.7 ft | 14.0 ft |
| Sun, Aug 16 | 6:00 AM | 9:44 PM | High4:12 AM11.9 ft | Low10:23 AM0.0 ft | High4:41 PM12.5 ft | Low10:56 PM1.0 ft | 12.5 ft |
| Mon, Aug 17 | 6:03 AM | 9:41 PM | High4:54 AM10.7 ft | Low10:59 AM1.3 ft | High5:14 PM12.1 ft | Low11:43 PM1.5 ft | 10.8 ft |
| Tue, Aug 18 | 6:05 AM | 9:38 PM | High5:40 AM9.4 ft | Low11:35 AM2.6 ft | High5:50 PM11.5 ft | — | 8.9 ft |
| Wed, Aug 19 | 6:08 AM | 9:35 PM | Low12:33 AM2.1 ft | High6:37 AM8.3 ft | Low12:13 PM3.9 ft | High6:31 PM10.9 ft | 8.8 ft |
| Thu, Aug 20 | 6:10 AM | 9:32 PM | Low1:33 AM2.7 ft | High8:06 AM7.4 ft | Low1:01 PM5.1 ft | High7:29 PM10.3 ft | 7.6 ft |
About Columbia Glacier tides
Tide predictions for Columbia Glacier come from NOAA station 9454460 (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.
Columbia Glacier 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 Columbia Glacier today?+
Today (Wednesday, July 22), high tide at Columbia Glacier is at 8:51 AM (7.4 ft), 8:43 PM (10.8 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Columbia Glacier today?+
Today, low tide at Columbia Glacier is at 2:28 AM (2.5 ft), 1:55 PM (4.1 ft).
What tidal datum do these Columbia Glacier 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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