Alaska · NOAA Station 9455437 · 59.350°, -151.827°
Checking a past trip or planning ahead? Pick any date — past or future — to see the high and low tides, the tidal range, and sunrise & sunset for Port Graham.
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High and low tide times and heights (ft, MLLW) for the week ahead.
| High | 4:19 AM | 19.1 ft |
| Low | 10:08 AM | -0.9 ft |
| High | 4:27 PM | 19.7 ft |
| Low | 10:34 PM | -1.9 ft |
| High | 4:57 AM | 18.0 ft |
| Low | 10:42 AM | 0.6 ft |
| High | 4:56 PM | 18.9 ft |
| Low | 11:10 PM | -1.0 ft |
| High | 5:35 AM | 16.5 ft |
| Low | 11:15 AM | 2.5 ft |
| High | 5:25 PM | 17.8 ft |
| Low | 11:47 PM | 0.5 ft |
| High | 6:15 AM | 14.8 ft |
| Low | 11:49 AM | 4.5 ft |
| High | 5:56 PM | 16.3 ft |
| Low | 12:28 AM | 2.2 ft |
| High | 7:03 AM | 13.0 ft |
| Low | 12:27 PM | 6.5 ft |
| High | 6:30 PM | 14.8 ft |
| Low | 1:18 AM | 3.9 ft |
| High | 8:08 AM | 11.5 ft |
| Low | 1:17 PM | 8.2 ft |
| High | 7:18 PM | 13.2 ft |
| Low | 2:32 AM | 5.2 ft |
| High | 9:55 AM | 10.8 ft |
| Low | 2:40 PM | 9.4 ft |
| High | 8:39 PM | 12.1 ft |
Every high and low tide for the next month at Port Graham, with heights in feet (MLLW), the daily tidal range, and sunrise & sunset.
| Day | Sunrise | Sunset | Tides (time · ft, MLLW) | Range | |||
|---|---|---|---|---|---|---|---|
| Sun, Sep 13Today | 7:31 AM | 8:34 PM | High4:19 AM19.1 ft | Low10:08 AM-0.9 ft | High4:27 PM19.7 ft | Low10:34 PM-1.9 ft | 21.6 ft |
| Mon, Sep 14 | 7:34 AM | 8:31 PM | High4:57 AM18.0 ft | Low10:42 AM0.6 ft | High4:56 PM18.9 ft | Low11:10 PM-1.0 ft | 19.9 ft |
| Tue, Sep 15 | 7:36 AM | 8:28 PM | High5:35 AM16.5 ft | Low11:15 AM2.5 ft | High5:25 PM17.8 ft | Low11:47 PM0.5 ft | 17.3 ft |
| Wed, Sep 16 | 7:38 AM | 8:25 PM | High6:15 AM14.8 ft | Low11:49 AM4.5 ft | High5:56 PM16.3 ft | — | 11.8 ft |
| Thu, Sep 17 | 7:40 AM | 8:22 PM | Low12:28 AM2.2 ft | High7:03 AM13.0 ft | Low12:27 PM6.5 ft | High6:30 PM14.8 ft | 12.6 ft |
| Fri, Sep 18 | 7:43 AM | 8:19 PM | Low1:18 AM3.9 ft | High8:08 AM11.5 ft | Low1:17 PM8.2 ft | High7:18 PM13.2 ft | 9.3 ft |
| Sat, Sep 19 | 7:45 AM | 8:16 PM | Low2:32 AM5.2 ft | High9:55 AM10.8 ft | Low2:40 PM9.4 ft | High8:39 PM12.1 ft | 6.9 ft |
| Sun, Sep 20 | 7:47 AM | 8:13 PM | Low4:27 AM5.4 ft | High11:44 AM11.4 ft | Low4:42 PM9.1 ft | High10:34 PM12.0 ft | 6.6 ft |
| Mon, Sep 21 | 7:49 AM | 8:10 PM | Low5:52 AM4.4 ft | High12:37 PM12.6 ft | Low6:02 PM7.7 ft | High11:54 PM13.1 ft | 8.7 ft |
| Tue, Sep 22 | 7:52 AM | 8:07 PM | Low6:37 AM3.1 ft | High1:10 PM14.0 ft | Low6:45 PM5.8 ft | — | 10.9 ft |
| Wed, Sep 23 | 7:54 AM | 8:04 PM | High12:45 AM14.6 ft | Low7:09 AM1.7 ft | High1:38 PM15.4 ft | Low7:20 PM3.8 ft | 13.7 ft |
| Thu, Sep 24 | 7:56 AM | 8:01 PM | High1:26 AM16.0 ft | Low7:38 AM0.6 ft | High2:04 PM16.8 ft | Low7:53 PM1.8 ft | 16.2 ft |
| Fri, Sep 25 | 7:59 AM | 7:58 PM | High2:03 AM17.3 ft | Low8:08 AM-0.2 ft | High2:30 PM18.1 ft | Low8:26 PM0.0 ft | 18.3 ft |
| Sat, Sep 26 | 8:01 AM | 7:55 PM | High2:40 AM18.2 ft | Low8:38 AM-0.7 ft | High2:58 PM19.2 ft | Low8:59 PM-1.5 ft | 20.7 ft |
| Sun, Sep 27 | 8:03 AM | 7:52 PM | High3:18 AM18.8 ft | Low9:10 AM-0.6 ft | High3:26 PM20.0 ft | Low9:34 PM-2.5 ft | 22.5 ft |
| Mon, Sep 28 | 8:05 AM | 7:49 PM | High3:56 AM18.9 ft | Low9:44 AM0.0 ft | High3:57 PM20.3 ft | Low10:11 PM-2.9 ft | 23.2 ft |
| Tue, Sep 29 | 8:08 AM | 7:46 PM | High4:36 AM18.4 ft | Low10:19 AM1.0 ft | High4:29 PM20.2 ft | Low10:51 PM-2.5 ft | 22.7 ft |
| Wed, Sep 30 | 8:10 AM | 7:43 PM | High5:19 AM17.3 ft | Low10:57 AM2.5 ft | High5:06 PM19.4 ft | Low11:35 PM-1.5 ft | 20.9 ft |
| Thu, Oct 1 | 8:12 AM | 7:40 PM | High6:08 AM15.8 ft | Low11:40 AM4.2 ft | High5:47 PM18.2 ft | — | 14.0 ft |
| Fri, Oct 2 | 8:15 AM | 7:37 PM | Low12:26 AM0.0 ft | High7:08 AM14.2 ft | Low12:32 PM6.0 ft | High6:40 PM16.6 ft | 16.6 ft |
| Sat, Oct 3 | 8:17 AM | 7:34 PM | Low1:32 AM1.6 ft | High8:30 AM13.0 ft | Low1:45 PM7.5 ft | High7:55 PM15.0 ft | 13.4 ft |
| Sun, Oct 4 | 8:19 AM | 7:31 PM | Low2:58 AM2.6 ft | High10:09 AM12.9 ft | Low3:24 PM7.8 ft | High9:37 PM14.2 ft | 11.6 ft |
| Mon, Oct 5 | 8:22 AM | 7:28 PM | Low4:33 AM2.5 ft | High11:31 AM14.1 ft | Low5:04 PM6.4 ft | High11:14 PM14.8 ft | 12.3 ft |
| Tue, Oct 6 | 8:24 AM | 7:26 PM | Low5:46 AM1.5 ft | High12:26 PM15.7 ft | Low6:13 PM4.2 ft | — | 14.2 ft |
| Wed, Oct 7 | 8:26 AM | 7:23 PM | High12:24 AM16.1 ft | Low6:38 AM0.6 ft | High1:09 PM17.2 ft | Low7:02 PM1.9 ft | 16.6 ft |
| Thu, Oct 8 | 8:29 AM | 7:20 PM | High1:17 AM17.3 ft | Low7:20 AM-0.1 ft | High1:45 PM18.5 ft | Low7:44 PM-0.1 ft | 18.6 ft |
| Fri, Oct 9 | 8:31 AM | 7:17 PM | High2:03 AM18.2 ft | Low7:57 AM-0.3 ft | High2:18 PM19.4 ft | Low8:22 PM-1.6 ft | 21.0 ft |
| Sat, Oct 10 | 8:33 AM | 7:14 PM | High2:44 AM18.6 ft | Low8:32 AM-0.1 ft | High2:49 PM19.9 ft | Low8:58 PM-2.4 ft | 22.3 ft |
| Sun, Oct 11 | 8:36 AM | 7:11 PM | High3:23 AM18.7 ft | Low9:05 AM0.5 ft | High3:19 PM19.9 ft | Low9:32 PM-2.6 ft | 22.5 ft |
| Mon, Oct 12 | 8:38 AM | 7:08 PM | High4:00 AM18.3 ft | Low9:38 AM1.4 ft | High3:48 PM19.5 ft | Low10:06 PM-2.1 ft | 21.6 ft |
Tide predictions for Port Graham come from NOAA station 9455437 (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.
Port Graham 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.
The current water temperature near Port Graham is about 50°F, from the nearest reporting buoy (Seldovia, AK buoy OVIA2, 7 mi away). Water temperature shapes where fish hold and feed, and tells you what to wear in the water — check it alongside the tide before you head out.
Today (Sunday, September 13), high tide at Port Graham is at 4:19 AM (19.1 ft), 4:27 PM (19.7 ft). Heights are referenced to MLLW (Mean Lower Low Water).
Today, low tide at Port Graham is at 10:08 AM (-0.9 ft), 10:34 PM (-1.9 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.
The latest sea-surface temperature near Port Graham is about 50°F, from the nearest reporting buoy (Seldovia, AK buoy OVIA2, 7 mi away). Water temperature drives fish behavior and tells you what to wear in the water, so it's worth checking alongside the tide.
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