Today's high and low tide times for Seaside, OR, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Seaside, OR, the next high tide is at 4:21 AM (10.9ft) and the next low tide is at 11:12 AM (1.4ft), based on harmonic predictions for Cathcart Landing, Youngs River.
All high and low tides for Seaside today, in local time (America/Los Angeles). Heights are metres above chart datum.
High (H) and low (L) tide times and heights for the next seven days at Seaside.
| Date | Tides (local time · height) |
|---|---|
| Tue, Sep 15 | H 4:21 AM 10.9ftL 11:12 AM 1.4ftH 5:18 PM 8.0ftL 10:42 PM 3.9ft |
| Wed, Sep 16 | H 4:54 AM 10.6ftL 12:00 PM 1.6ftH 6:12 PM 7.3ftL 11:15 PM 4.8ft |
| Thu, Sep 17 | H 5:27 AM 10.2ftL 12:51 PM 1.8ftH 7:21 PM 6.9ftL 11:48 PM 5.5ft |
| Fri, Sep 18 | H 6:03 AM 9.8ftL 1:48 PM 1.9ftH 8:54 PM 6.7ft |
| Sat, Sep 19 | L 12:36 AM 6.1ftH 6:51 AM 9.4ftL 2:51 PM 2.0ftH 10:30 PM 7.0ft |
| Sun, Sep 20 | L 2:00 AM 6.5ftH 7:48 AM 9.0ftL 3:51 PM 2.0ftH 11:27 PM 7.4ft |
| Mon, Sep 21 | L 3:36 AM 6.4ftH 9:03 AM 8.7ftL 4:45 PM 1.8ftH 11:57 PM 7.9ft |
| Tue, Sep 22 | L 4:54 AM 5.9ftH 10:15 AM 8.7ftL 5:30 PM 1.7ft |
Predicted for Cathcart Landing, Youngs River, 17.2 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 Seaside.
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