Attu, Massacre Bay, Alaska Tide Chart
Local time: 2025-05-06 Tue 8:47 AM HDT
Attu, Massacre Bay, Alaska 52.8400° N, 173.1950° E Note: See station comments in 'about' for disclaimers. 2025-05-06 Tue 1:15 PM HDT 2.0 feet High Tide 2025-05-06 Tue 4:59 PM HDT Moonrise 2025-05-06 Tue 7:56 PM HDT 0.5 feet Low Tide 2025-05-06 Tue 11:04 PM HDT Sunset 2025-05-07 Wed 3:10 AM HDT 2.7 feet High Tide 2025-05-07 Wed 6:13 AM HDT Moonset 2025-05-07 Wed 7:42 AM HDT Sunrise 2025-05-07 Wed 9:52 AM HDT 1.1 feet Low Tide 2025-05-07 Wed 3:13 PM HDT 1.9 feet High Tide 2025-05-07 Wed 6:12 PM HDT Moonrise 2025-05-07 Wed 8:44 PM HDT 1.0 feet Low Tide 2025-05-07 Wed 11:06 PM HDT Sunset 2025-05-08 Thu 3:33 AM HDT 2.7 feet High Tide 2025-05-08 Thu 6:21 AM HDT Moonset 2025-05-08 Thu 7:40 AM HDT Sunrise 2025-05-08 Thu 10:44 AM HDT 0.6 feet Low Tide 2025-05-08 Thu 5:14 PM HDT 1.9 feet High Tide 2025-05-08 Thu 7:23 PM HDT Moonrise 2025-05-08 Thu 9:36 PM HDT 1.5 feet Low Tide 2025-05-08 Thu 11:08 PM HDT Sunset 2025-05-09 Fri 3:52 AM HDT 2.7 feet High Tide 2025-05-09 Fri 6:29 AM HDT Moonset 2025-05-09 Fri 7:38 AM HDT Sunrise 2025-05-09 Fri 11:28 AM HDT 0.2 feet Low Tide 2025-05-09 Fri 7:00 PM HDT 2.2 feet High Tide 2025-05-09 Fri 8:35 PM HDT Moonrise 2025-05-09 Fri 10:34 PM HDT 2.0 feet Low Tide 2025-05-09 Fri 11:09 PM HDT Sunset 2025-05-10 Sat 4:06 AM HDT 2.7 feet High Tide 2025-05-10 Sat 6:39 AM HDT Moonset 2025-05-10 Sat 7:36 AM HDT Sunrise
About this station
| Name | Attu, Massacre Bay, Alaska |
| In file | /usr/local/share/xtide/harmonics-dwf-20241229-free.tcd |
| Station ID context | NOS |
| Station ID | 9460150 |
| Date imported | 2024-12-28 |
| Coordinates | 52.8400° N, 173.1950° E |
| Country | USA |
| Time zone | :America/Adak |
| Native units | feet |
| Source | CO-OPS Metadata API |
| Restriction | Public domain |
| Comments | A set of tidal harmonic constants based on data collected prior to 1960 have been calculated for use in generating tide predictions at this location. Due to the limitations of these historical observations, MSL is held fixed as the station datum and MLLW is referenced to MSL in order to remove any reference to the terrestrial system. The removal of the terrestrial reference enables the relationship between MSL and MLLW to remain consistent over time and not require periodic National Tidal Datum Epoch (NTDE) updates. Due to the remote nature of this location, there are no immediate plans to collect updated water levels data in the area. If you require additional assistance, please contact CO-PS Customer Service via email at Tide.Predictions@noaa.gov. |
| Notes | See station comments in 'about' for disclaimers. |
| Credit | NOAA data processed by David Flater for XTide https://flaterco.com/xtide/ |
| Original name | ATTU, MASSACRE BAY |
| State | AK |
| Type | Reference station, tide |
| Meridian | 0:00 |
| Datum | Mean Lower Low Water |
| Confidence | 10 |
NOT FOR NAVIGATION
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 and the publisher each assume 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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