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 4:24 AM (3.26 m) and the next low tide is at 10:48 AM (0.56 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) |
|---|---|
| Sun, Aug 16 | H 4:24 AM 3.26 mL 10:48 AM 0.56 mH 4:48 PM 2.79 mL 10:48 PM 0.78 m |
| Mon, Aug 17 | H 5:00 AM 3.20 mL 11:36 AM 0.55 mH 5:42 PM 2.60 mL 11:27 PM 1.06 m |
| Tue, Aug 18 | H 5:36 AM 3.10 mL 12:27 PM 0.57 mH 6:39 PM 2.41 m |
| Wed, Aug 19 | L 12:06 AM 1.34 mH 6:12 AM 3.00 mL 1:21 PM 0.60 mH 7:51 PM 2.26 m |
| Thu, Aug 20 | L 12:51 AM 1.60 mH 6:51 AM 2.89 mL 2:21 PM 0.61 mH 9:18 PM 2.19 m |
| Fri, Aug 21 | L 1:48 AM 1.80 mH 7:39 AM 2.79 mL 3:24 PM 0.60 mH 10:48 PM 2.24 m |
| Sat, Aug 22 | L 3:00 AM 1.92 mH 8:36 AM 2.71 mL 4:24 PM 0.56 mH 11:51 PM 2.35 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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