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Station 21415 (LLNR 984.85) - ATTU - 175 NM South of Attu, AK

Owned and maintained by National Data Buoy Center
2.6-meter discus buoy
DART II payload
50.167 N 171.915 E (50°10'0" N 171°54'54" E)

Site elevation: sea level
Water depth: 4855 m

Important Notice to Mariners

Meteorological Observations from Nearby Stations and Ships

DART Program Description

U.S. Tsunami Warning Centers

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Stations with recent data

Stations with no data in last 8 hours
(24 hours for tsunami stations)

Disclaimer

Plot of Water Column Height Data for Station 21415

Data Access

Water Column Heights:
06/18/2018 00:00:00 to 06/22/2018 23:59:59

The data are recorded in pounds per square inch absolute (PSIA), but are displayed in meters of water after applying a constant 670.0 mm of water/PSIA conversion factor.

#YY  MM DD hh mm ss T   HEIGHT
#yr  mo dy hr mn  s -      m
2018 06 22 06 00 00 1 4798.726
2018 06 22 05 45 00 1 4798.696
2018 06 22 05 30 00 1 4798.669
2018 06 22 05 15 00 1 4798.642
2018 06 22 05 00 00 1 4798.621
2018 06 22 04 45 00 1 4798.599
2018 06 22 04 30 00 1 4798.583
2018 06 22 04 15 00 1 4798.572
2018 06 22 04 00 00 1 4798.562
2018 06 22 03 45 00 1 4798.557
2018 06 22 03 30 00 1 4798.553
2018 06 22 03 15 00 1 4798.552
2018 06 22 03 00 00 1 4798.556
2018 06 22 02 45 00 1 4798.562
2018 06 22 02 30 00 1 4798.572
2018 06 22 02 15 00 1 4798.583
2018 06 22 02 00 00 1 4798.599
2018 06 22 01 45 00 1 4798.615
2018 06 22 01 30 00 1 4798.630
2018 06 22 01 15 00 1 4798.650
2018 06 22 01 00 00 1 4798.669
2018 06 22 00 45 00 1 4798.690
2018 06 22 00 30 00 1 4798.710
2018 06 22 00 15 00 1 4798.730
2018 06 22 00 00 00 1 4798.750
2018 06 21 23 45 00 1 4798.768
2018 06 21 23 30 00 1 4798.781
2018 06 21 23 15 00 1 4798.795
2018 06 21 23 00 00 1 4798.808
2018 06 21 22 45 00 1 4798.817
2018 06 21 22 30 00 1 4798.825
2018 06 21 22 15 00 1 4798.833
2018 06 21 22 00 00 1 4798.836
2018 06 21 21 45 00 1 4798.833
2018 06 21 21 30 00 1 4798.831
2018 06 21 21 15 00 1 4798.823
2018 06 21 21 00 00 1 4798.814
2018 06 21 20 45 00 1 4798.802
2018 06 21 20 30 00 1 4798.790
2018 06 21 20 15 00 1 4798.777
2018 06 21 20 00 00 1 4798.759
2018 06 21 19 45 00 1 4798.741
2018 06 21 19 30 00 1 4798.721
2018 06 21 19 15 00 1 4798.700
2018 06 21 19 00 00 1 4798.682
2018 06 21 18 45 00 1 4798.666
2018 06 21 18 30 00 1 4798.645
2018 06 21 18 15 00 1 4798.630
2018 06 21 18 00 00 1 4798.615
2018 06 21 17 45 00 1 4798.604
2018 06 21 17 30 00 1 4798.596
2018 06 21 17 15 00 1 4798.589
2018 06 21 17 00 00 1 4798.582
2018 06 21 16 45 00 1 4798.583
2018 06 21 16 30 00 1 4798.586
2018 06 21 16 15 00 1 4798.588
2018 06 21 16 00 00 1 4798.597
2018 06 21 15 45 00 1 4798.609
2018 06 21 15 30 00 1 4798.624
2018 06 21 15 15 00 1 4798.639
2018 06 21 15 00 00 1 4798.661
2018 06 21 14 45 00 1 4798.688
2018 06 21 14 30 00 1 4798.714
2018 06 21 14 15 00 1 4798.743
2018 06 21 14 00 00 1 4798.776
2018 06 21 13 45 00 1 4798.810
2018 06 21 13 30 00 1 4798.842
2018 06 21 13 15 00 1 4798.878
2018 06 21 13 00 00 1 4798.915
2018 06 21 12 45 00 1 4798.955
2018 06 21 12 30 00 1 4798.988
2018 06 21 12 15 00 1 4799.018
2018 06 21 12 00 00 1 4799.052
2018 06 21 11 45 00 1 4799.080
2018 06 21 11 30 00 1 4799.107
2018 06 21 11 15 00 1 4799.128
2018 06 21 11 00 00 1 4799.146
2018 06 21 10 45 00 1 4799.158
2018 06 21 10 30 00 1 4799.170
2018 06 21 10 15 00 1 4799.176
2018 06 21 10 00 00 1 4799.182
2018 06 21 09 45 00 1 4799.180
2018 06 21 09 30 00 1 4799.172
2018 06 21 09 15 00 1 4799.161
2018 06 21 09 00 00 1 4799.144
2018 06 21 08 45 00 1 4799.122
2018 06 21 08 30 00 1 4799.094
2018 06 21 08 15 00 1 4799.066
2018 06 21 08 00 00 1 4799.037
2018 06 21 07 45 00 1 4799.002
2018 06 21 07 30 00 1 4798.963
2018 06 21 07 15 00 1 4798.924
2018 06 21 07 00 00 1 4798.883
2018 06 21 06 45 00 1 4798.840
2018 06 21 06 30 00 1 4798.799
2018 06 21 06 15 00 1 4798.754
2018 06 21 06 00 00 1 4798.714
2018 06 21 05 45 00 1 4798.674
2018 06 21 05 30 00 1 4798.638
2018 06 21 05 15 00 1 4798.599
2018 06 21 05 00 00 1 4798.561
2018 06 21 04 45 00 1 4798.529
2018 06 21 04 30 00 1 4798.497
2018 06 21 04 15 00 1 4798.470
2018 06 21 04 00 00 1 4798.447
2018 06 21 03 45 00 1 4798.426
2018 06 21 03 30 00 1 4798.409
2018 06 21 03 15 00 1 4798.396
2018 06 21 03 00 00 1 4798.390
2018 06 21 02 45 00 1 4798.387
2018 06 21 02 30 00 1 4798.389
2018 06 21 02 15 00 1 4798.394
2018 06 21 02 00 00 1 4798.405
2018 06 21 01 45 00 1 4798.420
2018 06 21 01 30 00 1 4798.437
2018 06 21 01 15 00 1 4798.455
2018 06 21 01 00 00 1 4798.479
2018 06 21 00 45 00 1 4798.507
2018 06 21 00 30 00 1 4798.535
2018 06 21 00 15 00 1 4798.567
2018 06 21 00 00 00 1 4798.599
2018 06 20 23 45 00 1 4798.631
2018 06 20 23 30 00 1 4798.664
2018 06 20 23 15 00 1 4798.694
2018 06 20 23 00 00 1 4798.722
2018 06 20 22 45 00 1 4798.754
2018 06 20 22 30 00 1 4798.781
2018 06 20 22 15 00 1 4798.807
2018 06 20 22 00 00 1 4798.830
2018 06 20 21 45 00 1 4798.847
2018 06 20 21 30 00 1 4798.865
2018 06 20 21 15 00 1 4798.879
2018 06 20 21 00 00 1 4798.888
2018 06 20 20 45 00 1 4798.897
2018 06 20 20 30 00 1 4798.900
2018 06 20 20 15 00 1 4798.905
2018 06 20 20 00 00 1 4798.901
2018 06 20 19 45 00 1 4798.896
2018 06 20 19 30 00 1 4798.887
2018 06 20 19 15 00 1 4798.878
2018 06 20 19 00 00 1 4798.869
2018 06 20 18 45 00 1 4798.855
2018 06 20 18 30 00 1 4798.840
2018 06 20 18 15 00 1 4798.824
2018 06 20 18 00 00 1 4798.810
2018 06 20 17 45 00 1 4798.797
2018 06 20 17 30 00 1 4798.782
2018 06 20 17 15 00 1 4798.766
2018 06 20 17 00 00 1 4798.753
2018 06 20 16 45 00 1 4798.741
2018 06 20 16 30 00 1 4798.733
2018 06 20 16 15 00 1 4798.724
2018 06 20 16 00 00 1 4798.720
2018 06 20 15 45 00 1 4798.716
2018 06 20 15 30 00 1 4798.718
2018 06 20 15 15 00 1 4798.722
2018 06 20 15 00 00 1 4798.729
2018 06 20 14 45 00 1 4798.738
2018 06 20 14 30 00 1 4798.753
2018 06 20 14 15 00 1 4798.771
2018 06 20 14 00 00 1 4798.789
2018 06 20 13 45 00 1 4798.811
2018 06 20 13 30 00 1 4798.834
2018 06 20 13 15 00 1 4798.860
2018 06 20 13 00 00 1 4798.885
2018 06 20 12 45 00 1 4798.914
2018 06 20 12 30 00 1 4798.944
2018 06 20 12 15 00 1 4798.974
2018 06 20 06 00 00 1 4798.742
2018 06 20 05 45 00 1 4798.693
2018 06 20 05 30 00 1 4798.645
2018 06 20 05 15 00 1 4798.595
2018 06 20 05 00 00 1 4798.548
2018 06 20 04 45 00 1 4798.504
2018 06 20 04 30 00 1 4798.461
2018 06 20 04 15 00 1 4798.421
2018 06 20 04 00 00 1 4798.384
2018 06 20 03 45 00 1 4798.350
2018 06 20 03 30 00 1 4798.318
2018 06 20 03 15 00 1 4798.291
2018 06 20 03 00 00 1 4798.270
2018 06 20 02 45 00 1 4798.254
2018 06 20 02 30 00 1 4798.242
2018 06 20 02 15 00 1 4798.235
2018 06 20 02 00 00 1 4798.235
2018 06 20 01 45 00 1 4798.239
2018 06 20 01 30 00 1 4798.250
2018 06 20 01 15 00 1 4798.267
2018 06 20 01 00 00 1 4798.287
2018 06 20 00 45 00 1 4798.309
2018 06 20 00 30 00 1 4798.337
2018 06 20 00 15 00 1 4798.370
2018 06 20 00 00 00 1 4798.407
2018 06 19 23 45 00 1 4798.443
2018 06 19 23 30 00 1 4798.483
2018 06 19 23 15 00 1 4798.526
2018 06 19 23 00 00 1 4798.568
2018 06 19 22 45 00 1 4798.612
2018 06 19 22 30 00 1 4798.657
2018 06 19 22 15 00 1 4798.701
2018 06 19 22 00 00 1 4798.743
2018 06 19 21 45 00 1 4798.785
2018 06 19 21 30 00 1 4798.825
2018 06 19 21 15 00 1 4798.861
2018 06 19 21 00 00 1 4798.894
2018 06 19 20 45 00 1 4798.923
2018 06 19 20 30 00 1 4798.946
2018 06 19 20 15 00 1 4798.968
2018 06 19 20 00 00 1 4798.988
2018 06 19 19 45 00 1 4799.004
2018 06 19 19 30 00 1 4799.020
2018 06 19 19 15 00 1 4799.031
2018 06 19 19 00 00 1 4799.037
2018 06 19 18 45 00 1 4799.039
2018 06 19 18 30 00 1 4799.035
2018 06 19 18 15 00 1 4799.031
2018 06 19 18 00 00 1 4799.027
2018 06 19 17 45 00 1 4799.020
2018 06 19 17 30 00 1 4799.009
2018 06 19 17 15 00 1 4798.995
2018 06 19 17 00 00 1 4798.984
2018 06 19 16 45 00 1 4798.969
2018 06 19 16 30 00 1 4798.957
2018 06 19 16 15 00 1 4798.942
2018 06 19 16 00 00 1 4798.930
2018 06 19 15 45 00 1 4798.921
2018 06 19 15 30 00 1 4798.913
2018 06 19 15 15 00 1 4798.906
2018 06 19 15 00 00 1 4798.897
2018 06 19 14 45 00 1 4798.893
2018 06 19 14 30 00 1 4798.892
2018 06 19 14 15 00 1 4798.894
2018 06 19 14 00 00 1 4798.897
2018 06 19 13 45 00 1 4798.903
2018 06 19 13 30 00 1 4798.913
2018 06 19 13 15 00 1 4798.926
2018 06 19 13 00 00 1 4798.939
2018 06 19 12 45 00 1 4798.956
2018 06 19 12 30 00 1 4798.973
2018 06 19 12 15 00 1 4798.993
2018 06 19 12 00 00 1 4799.013
2018 06 19 11 45 00 1 4799.034
2018 06 19 11 30 00 1 4799.053
2018 06 19 11 15 00 1 4799.073
2018 06 19 11 00 00 1 4799.093
2018 06 19 10 45 00 1 4799.111
2018 06 19 10 30 00 1 4799.132
2018 06 19 10 15 00 1 4799.148
2018 06 19 10 00 00 1 4799.162
2018 06 19 09 45 00 1 4799.172
2018 06 19 09 30 00 1 4799.177
2018 06 19 09 15 00 1 4799.180
2018 06 19 09 00 00 1 4799.178
2018 06 19 08 45 00 1 4799.170
2018 06 19 08 30 00 1 4799.161
2018 06 19 08 15 00 1 4799.145
2018 06 19 08 00 00 1 4799.125
2018 06 19 07 45 00 1 4799.102
2018 06 19 07 30 00 1 4799.073
2018 06 19 07 15 00 1 4799.038
2018 06 19 07 00 00 1 4799.003
2018 06 19 06 45 00 1 4798.961
2018 06 19 06 30 00 1 4798.918
2018 06 19 06 15 00 1 4798.870
2018 06 19 06 00 00 1 4798.820
2018 06 19 05 45 00 1 4798.770
2018 06 19 05 30 00 1 4798.717
2018 06 19 05 15 00 1 4798.663
2018 06 19 05 00 00 1 4798.608
2018 06 19 04 45 00 1 4798.554
2018 06 19 04 30 00 1 4798.500
2018 06 19 04 15 00 1 4798.449
2018 06 19 04 00 00 1 4798.398
2018 06 19 03 45 00 1 4798.352
2018 06 19 03 30 00 1 4798.309
2018 06 19 03 15 00 1 4798.266
2018 06 19 03 00 00 1 4798.230
2018 06 19 02 45 00 1 4798.198
2018 06 19 02 30 00 1 4798.171
2018 06 19 02 15 00 1 4798.151
2018 06 19 02 00 00 1 4798.132
2018 06 19 01 45 00 1 4798.119
2018 06 19 01 30 00 1 4798.113
2018 06 19 01 15 00 1 4798.112
2018 06 19 01 00 00 1 4798.118
2018 06 19 00 45 00 1 4798.127
2018 06 19 00 30 00 1 4798.145
2018 06 19 00 15 00 1 4798.167
2018 06 19 00 00 00 1 4798.197
2018 06 18 23 45 00 1 4798.230
2018 06 18 23 30 00 1 4798.268
2018 06 18 23 15 00 1 4798.309
2018 06 18 23 00 00 1 4798.353
2018 06 18 22 45 00 1 4798.401
2018 06 18 22 30 00 1 4798.451
2018 06 18 22 15 00 1 4798.503
2018 06 18 22 00 00 1 4798.556
2018 06 18 21 45 00 1 4798.609
2018 06 18 21 30 00 1 4798.662
2018 06 18 21 15 00 1 4798.716
2018 06 18 21 00 00 1 4798.769
2018 06 18 20 45 00 1 4798.815
2018 06 18 20 30 00 1 4798.862
2018 06 18 20 15 00 1 4798.906
2018 06 18 20 00 00 1 4798.944
2018 06 18 19 45 00 1 4798.979
2018 06 18 19 30 00 1 4799.013
2018 06 18 19 15 00 1 4799.043
2018 06 18 19 00 00 1 4799.068
2018 06 18 18 45 00 1 4799.092
2018 06 18 18 30 00 1 4799.112
2018 06 18 18 15 00 1 4799.125
2018 06 18 18 00 00 1 4799.136
2018 06 18 17 45 00 1 4799.142
2018 06 18 17 30 00 1 4799.148
2018 06 18 17 15 00 1 4799.148
2018 06 18 17 00 00 1 4799.147
2018 06 18 16 45 00 1 4799.139
2018 06 18 16 30 00 1 4799.130
2018 06 18 16 15 00 1 4799.121
2018 06 18 16 00 00 1 4799.112
2018 06 18 15 45 00 1 4799.099
2018 06 18 15 30 00 1 4799.086
2018 06 18 15 15 00 1 4799.075
2018 06 18 15 00 00 1 4799.064
2018 06 18 14 45 00 1 4799.054
2018 06 18 14 30 00 1 4799.046
2018 06 18 14 15 00 1 4799.038
2018 06 18 14 00 00 1 4799.031
2018 06 18 13 45 00 1 4799.026
2018 06 18 13 30 00 1 4799.021
2018 06 18 13 15 00 1 4799.019
2018 06 18 13 00 00 1 4799.020
2018 06 18 12 45 00 1 4799.024
2018 06 18 12 30 00 1 4799.029
2018 06 18 12 15 00 1 4799.040
2018 06 18 12 00 00 1 4799.050
2018 06 18 11 45 00 1 4799.062
2018 06 18 11 30 00 1 4799.072
2018 06 18 11 15 00 1 4799.084
2018 06 18 11 00 00 1 4799.095
2018 06 18 10 45 00 1 4799.108
2018 06 18 10 30 00 1 4799.123
2018 06 18 10 15 00 1 4799.137
2018 06 18 10 00 00 1 4799.149
2018 06 18 09 45 00 1 4799.162
2018 06 18 09 30 00 1 4799.170
2018 06 18 09 15 00 1 4799.176
2018 06 18 09 00 00 1 4799.178
2018 06 18 08 45 00 1 4799.176
2018 06 18 08 30 00 1 4799.172
2018 06 18 08 15 00 1 4799.165
2018 06 18 08 00 00 1 4799.153
2018 06 18 07 45 00 1 4799.135
2018 06 18 07 30 00 1 4799.115
2018 06 18 07 15 00 1 4799.090
2018 06 18 07 00 00 1 4799.063
2018 06 18 06 45 00 1 4799.029
2018 06 18 06 30 00 1 4798.990
2018 06 18 06 15 00 1 4798.949
2018 06 18 06 00 00 1 4798.905
2018 06 18 05 45 00 1 4798.855
2018 06 18 05 30 00 1 4798.803
2018 06 18 05 15 00 1 4798.747
2018 06 18 05 00 00 1 4798.690
2018 06 18 04 45 00 1 4798.632
2018 06 18 04 30 00 1 4798.577
2018 06 18 04 15 00 1 4798.518
2018 06 18 04 00 00 1 4798.462
2018 06 18 03 45 00 1 4798.405
2018 06 18 03 30 00 1 4798.347
2018 06 18 03 15 00 1 4798.293
2018 06 18 03 00 00 1 4798.243
2018 06 18 02 45 00 1 4798.197
2018 06 18 02 30 00 1 4798.152
2018 06 18 02 15 00 1 4798.115
2018 06 18 02 00 00 1 4798.080
2018 06 18 01 45 00 1 4798.050
2018 06 18 01 30 00 1 4798.025
2018 06 18 01 15 00 1 4798.009
2018 06 18 01 00 00 1 4797.995
2018 06 18 00 45 00 1 4797.987
2018 06 18 00 30 00 1 4797.986
2018 06 18 00 15 00 1 4797.991
2018 06 18 00 00 00 1 4798.004

T = Measurement Type;
where 1 = 15-minute measurement; 2 = 1-minute measurement; 3 = 15-second measurement

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for the current month, previous months, and previous years.

The weekly maintenance report also provides valuable station information.

Note that the payload types and the station locations occasionally change.
Please refer to the NDBC data inventory for the data history of each station.