Explore / Station 9439201
St Helens, OR tide times
45.8650°N · 122.7970°W
Tide curve
Activity planner
Choose what you are heading out for
Perigee turns the same tide, wind, light, moon, and water-level readings into a practical read for the day you are planning.
Fishing outlook
Use wind, water temperature, and local knowledge until tide timing is available.
Recommended window
Mon 10:45 PM
Current read
Use the live station read, then refresh once more data loads.
Heads up
NOAA did not return tide predictions for this station window.
Why this read
Next tide
No prediction
NOAA did not return tide predictions for this station window.
Wind
No forecast
Check the local marine forecast before committing.
Moon
Computing
Moon phase will refine fishing and photo reads.
Water temp
No sensor
This station does not publish water temperature right now.
Planning aid only. Verify local conditions, posted restrictions, and official marine guidance before acting on the read.
The sky here
Computing…
Datums
| Datum | ft |
|---|---|
| STND | 0 |
| MHHW | 5.01 |
| MHW | 4.53 |
| DTL | 3.4 |
| MTL | 3.28 |
| MSL | 3.27 |
| MLW | 2.03 |
| MLLW | 1.8 |
| GT | 3.21 |
| MN | 2.5 |
| DHQ | 0.48 |
| DLQ | 0.23 |
| HWI | 0.07 |
| LWI | 7.88 |
| NAVD88 | -4.26 |
| CRD_OFFSET | 0.02 |
Wind forecast
Reading the forecast…
Tide times for St Helens, OR
Today, Monday, July 13, in St Helens, OR, high tide is at 3:42 AM (3.1 ft) and 5:23 PM (1.7 ft), and low tide is at 12:40 PM (-0.3 ft) and 11:37 PM (0.6 ft) (PDT). Sunrise is at 5:34 AM and sunset is at 9:01 PM PDT. Heights are in feet above MLLW, the chart datum.
The moon is a new moon today, 3% illuminated — expect larger-than-average (spring) tides in the coming days.
7-day tide table (PDT)
| Day | High tides | Low tides | Sunrise | Sunset |
|---|---|---|---|---|
| Today, Mon, Jul 13 | 3:42 AM (3.1 ft) 5:23 PM (1.7 ft) | 12:40 PM (-0.3 ft) 11:37 PM (0.6 ft) | 5:34 AM | 9:01 PM |
| Tue, Jul 14 | 4:36 AM (3.0 ft) 6:12 PM (1.8 ft) | 1:25 PM (-0.4 ft) | 5:35 AM | 9:00 PM |
| Wed, Jul 15 | 5:28 AM (2.8 ft) 7:00 PM (2.0 ft) | 12:41 AM (0.5 ft) 2:07 PM (-0.5 ft) | 5:36 AM | 8:59 PM |
| Thu, Jul 16 | 6:18 AM (2.6 ft) 7:46 PM (2.1 ft) | 1:39 AM (0.4 ft) 2:46 PM (-0.5 ft) | 5:37 AM | 8:58 PM |
| Fri, Jul 17 | 7:08 AM (2.4 ft) 8:32 PM (2.2 ft) | 2:33 AM (0.3 ft) 3:23 PM (-0.5 ft) | 5:38 AM | 8:58 PM |
| Sat, Jul 18 | 7:58 AM (2.1 ft) 9:17 PM (2.3 ft) | 3:25 AM (0.3 ft) 3:57 PM (-0.4 ft) | 5:39 AM | 8:57 PM |
| Sun, Jul 19 | 8:50 AM (1.8 ft) 10:01 PM (2.4 ft) | 4:19 AM (0.3 ft) 4:28 PM (-0.3 ft) | 5:40 AM | 8:56 PM |
NOAA harmonic predictions for station 9439201, datum MLLW, station local time. Updated daily. Predictions are for planning, not navigation.
St Helens, OR tide questions
- What time is high tide in St Helens, OR today?
- High tide in St Helens, OR today (Monday, July 13) is at 3:42 AM (3.1 ft) and 5:23 PM (1.7 ft), local station time (PDT). Heights are measured in feet above MLLW.
- What time is low tide in St Helens, OR today?
- Low tide in St Helens, OR today (Monday, July 13) is at 12:40 PM (-0.3 ft) and 11:37 PM (0.6 ft), local station time (PDT).
- How big are the tides in St Helens, OR this week?
- Over the next seven days the water at St Helens, OR spans 3.6 ft — from a low of -0.5 ft at 2:46 PM on Thu, Jul 16 to a high of 3.1 ft at 3:42 AM on Mon, Jul 13.
- When is the next minus tide at St Helens, OR?
- The next minus tide at St Helens, OR is -0.3 ft at 12:40 PM on Mon, Jul 13. Minus tides drop below the MLLW zero line and expose the most shoreline — the best windows for tidepooling, clamming, and beachcombing.
- How accurate are tide predictions for St Helens, OR?
- Predictions come from NOAA harmonic analysis of long-term water level records at this station, which is why tide tables can be published years in advance. Astronomical timing is very reliable, but actual water level can run higher or lower with sustained wind, barometric pressure, and river flow — Perigee overlays live observed water levels on the chart above so you can see today's difference.
About station 9439201
St Helens, OR is NOAA tide station 9439201, at 45.8650°N, 122.7970°W, in service since 1877. Perigee charts its tide predictions and six-minute water level observations live from NOAA CO-OPS, alongside wind, temperature, and the sun and moon over this spot. The mean tidal range here is 2.5 ft (great diurnal range 3.2 ft). Tides here are mixed — the two daily highs (and the two lows) differ noticeably in height. Everything on this page is also available from the free Perigee API and MCP server. Browse every gauge on this coast on the Oregon tide charts page, or read how tide predictions work.
Plan around this station
- 2026 annual tide table →
- Best fishing times →
- Daylight low-tide windows →
- Sunrise, sunset & moon →
- Oregon king tides →
Nearby stations
- Multnomah Channel, OR 4 mi
- Temco Kalama Terminal, WA 9 mi
- Knapp Landing, Willow Bar, WA 9 mi
- Rocky Point, OR 12 mi
- Vancouver, WA 17 mi
- Longview, WA 18 mi
- Barlow Point, WA 23 mi
- Portland Morrison Street Bridge, OR 25 mi