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 3:51 AM (2.89 m) and the next low tide is at 9:33 AM (0.92 m), 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) |
|---|---|
| Wed, Jun 17 | H 3:51 AM 2.89 mL 9:33 AM 0.92 mH 3:36 PM 3.41 mL 10:21 PM 0.13 m |
| Thu, Jun 18 | H 4:39 AM 2.85 mL 10:24 AM 0.95 mH 4:27 PM 3.29 mL 11:09 PM 0.28 m |
| Fri, Jun 19 | H 5:27 AM 2.80 mL 11:18 AM 0.99 mH 5:21 PM 3.13 m |
| Sat, Jun 20 | H 6:18 AM 2.75 mL 12:15 PM 1.01 mH 6:18 PM 2.96 m |
| Sun, Jun 21 | L 12:54 AM 0.66 mH 7:12 AM 2.70 mL 1:15 PM 1.01 mH 7:24 PM 2.79 m |
| Mon, Jun 22 | L 1:51 AM 0.86 mH 8:06 AM 2.68 mL 2:21 PM 0.97 mH 8:33 PM 2.66 m |
| Tue, Jun 23 | L 2:48 AM 1.03 mH 9:00 AM 2.69 mL 3:27 PM 0.89 mH 9:45 PM 2.59 m |
Predicted from 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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