Skamokawa, Steamboat Slough, Columbia River, Washington 46.2667° N, 123.4520° W Note: See station comments in 'about' for disclaimers. 2026-01-23 7:46 AM PST Sunrise 2026-01-23 9:56 AM PST Moonrise 2026-01-23 11:37 AM PST 1.25 feet Low Tide 2026-01-23 4:56 PM PST 6.75 feet High Tide 2026-01-23 5:05 PM PST Sunset 2026-01-23 10:57 PM PST Moonset 2026-01-23 11:37 PM PST 0.22 feet Low Tide 2026-01-24 5:32 AM PST 7.39 feet High Tide 2026-01-24 7:45 AM PST Sunrise 2026-01-24 10:13 AM PST Moonrise 2026-01-24 12:30 PM PST 1.17 feet Low Tide 2026-01-24 5:07 PM PST Sunset 2026-01-24 5:55 PM PST 6.10 feet High Tide 2026-01-25 12:11 AM PST 0.72 feet Low Tide 2026-01-25 12:14 AM PST Moonset 2026-01-25 6:12 AM PST 7.57 feet High Tide 2026-01-25 7:44 AM PST Sunrise 2026-01-25 10:34 AM PST Moonrise 2026-01-25 1:36 PM PST 1.09 feet Low Tide 2026-01-25 5:08 PM PST Sunset 2026-01-25 7:08 PM PST 5.45 feet High Tide 2026-01-25 8:48 PM PST First Quarter 2026-01-26 12:54 AM PST 1.31 feet Low Tide 2026-01-26 1:33 AM PST Moonset 2026-01-26 7:01 AM PST 7.65 feet High Tide 2026-01-26 7:43 AM PST Sunrise 2026-01-26 10:59 AM PST Moonrise 2026-01-26 2:59 PM PST 0.86 feet Low Tide 2026-01-26 5:09 PM PST Sunset 2026-01-26 8:33 PM PST 5.02 feet High Tide 2026-01-27 1:49 AM PST 1.89 feet Low Tide 2026-01-27 2:55 AM PST Moonset
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| Name | Skamokawa, Steamboat Slough, Columbia River, Washington |
| In file | /usr/share/xtide/harmonics-dwf-free.tcd |
| Station ID context | NOS |
| Station ID | 9440569 |
| Date imported | 2019-12-21 |
| Coordinates | 46.2667° N, 123.4520° W |
| Country | USA |
| Time zone | :America/Los_Angeles |
| Native units | feet |
| Source | CO-OPS Metadata API |
| Restriction | Public domain |
| Comments | Columbia River Datum (CRD) is the adopted fixed low water reference plane for this area. CRD is a U.S. Army Corps of Engineers non-tidal datum defined at distinct river miles relative to NAVD88, and is used as chart datum above river mile 23 on the Columbia River. Datums are computed using observations from the low river stages of the year, generally August through October due to the masking of the tidal signal from strong seasonal river runoff during other portions of the year. Depending on river flow, water levels can be significantly higher than Columbia River Datum. As of 2014, the U.S. Army Corps of Engineers provided updated offsets for CRD that have been applied to this station. Station Datum (STND) is no longer set equal to CRD. |
| Notes | See station comments in 'about' for disclaimers. |
| Credit | NOAA data processed by David Flater for XTide https://flaterco.com/xtide/ |
| Original name | Skamokawa |
| State | WA |
| Type | Reference station, tide |
| Meridian | 0:00 |
| Datum | Mean Lower Low Water |
| Confidence | 10 |
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. The author assumes no liability for damages arising from use of these predictions. They are not certified to be correct, and they do not incorporate the effects of tropical storms, El Niño, seismic events, subsidence, uplift, or changes in global sea level.
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