Today's high and low tide times for Ketchikan, AK, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Ketchikan, AK, the next high tide is at 3:39 AM (6.12 m) and the next low tide is at 9:54 AM (0.80 m), based on harmonic predictions for Ketchikan.
All high and low tides for Ketchikan today, in local time (America/Anchorage). Heights are metres above chart datum.
High (H) and low (L) tide times and heights for the next seven days at Ketchikan.
| Date | Tides (local time · height) |
|---|---|
| Sun, Aug 16 | H 3:39 AM 6.12 mL 9:54 AM 0.80 mH 4:00 PM 5.38 mL 9:57 PM 1.08 m |
| Mon, Aug 17 | H 4:15 AM 5.88 mL 10:36 AM 0.95 mH 4:45 PM 4.96 mL 10:33 PM 1.60 m |
| Tue, Aug 18 | H 4:51 AM 5.58 mL 11:21 AM 1.16 mH 5:36 PM 4.51 mL 11:12 PM 2.15 m |
| Wed, Aug 19 | H 5:27 AM 5.24 mL 12:15 PM 1.40 mH 6:42 PM 4.11 mL 11:54 PM 2.67 m |
| Thu, Aug 20 | H 6:12 AM 4.91 mL 1:18 PM 1.59 mH 8:15 PM 3.89 m |
| Fri, Aug 21 | L 12:54 AM 3.10 mH 7:09 AM 4.61 mL 2:39 PM 1.64 mH 10:00 PM 3.98 m |
| Sat, Aug 22 | L 2:33 AM 3.34 mH 8:30 AM 4.45 mL 3:54 PM 1.52 mH 11:09 PM 4.26 m |
Predicted from Ketchikan, 1.7 km away (reliability: high — a close match — expect predictions within a few minutes of the published station table).
These are astronomical tide predictions — the rise and fall driven by the moon and sun, computed by harmonic analysis. They do not include weather effects: a strong onshore wind, low barometric pressure or a storm surge can push the real water level above the predicted high, and offshore winds or high pressure can hold it below the predicted low. For navigation or any safety-critical decision, always check the official tide tables and a live water-level gauge for Ketchikan.
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