EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
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Alaska
Gulf of Alaska
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Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Atka, AK : 03/11/2026 12:22:40 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/09 12Z,  -1.60,   2.76,   1.55,  99.90,   0.39,  (max)
03/09 13Z,  -1.60,   2.73,   1.39,  99.90,   0.26,
03/09 14Z,  -1.60,   2.75,   1.35,  99.90,   0.20,  (min)
03/09 15Z,  -1.60,   2.80,   1.45,  99.90,   0.25,
03/09 16Z,  -1.70,   2.87,   1.57,  99.90,   0.40,
03/09 17Z,  -1.70,   2.92,   1.69,  99.90,   0.47,
03/09 18Z,  -1.70,   2.90,   1.76,  99.90,   0.56,  (max)
03/09 19Z,  -1.70,   2.78,   1.75,  99.90,   0.67,
03/09 20Z,  -1.70,   2.53,   1.63,  99.90,   0.80,
03/09 21Z,  -1.70,   2.10,   1.22,  99.90,   0.82,
03/09 22Z,  -1.70,   1.56,   0.76,  99.90,   0.90,
03/09 23Z,  -1.70,   0.97,   0.14,  99.90,   0.87,
03/10 00Z,  -1.70,   0.45,  -0.45,  99.90,   0.80,
03/10 01Z,  -1.80,   0.12,  -0.89,  99.90,   0.79,
03/10 02Z,  -1.80,   0.00,  -1.26,  99.90,   0.54,
03/10 03Z,  -1.70,   0.09,  -1.40,  99.90,   0.21,  (min)
03/10 04Z,  -1.70,   0.39,  -1.32,  99.90,  -0.01,
03/10 05Z,  -1.70,   0.84,  -0.95,  99.90,  -0.09,
03/10 06Z,  -1.70,   1.36,  -0.44,  99.90,  -0.10,
03/10 07Z,  -1.70,   1.90,   0.19,  99.90,  -0.01,
03/10 08Z,  -1.70,   2.40,   0.79,  99.90,   0.09,
03/10 09Z,  -1.70,   2.74,   1.20,  99.90,   0.16,
03/10 10Z,  -1.70,   2.90,   1.58,  99.90,   0.38,
03/10 11Z,  -1.70,   2.95,   1.73,  99.90,   0.48,
03/10 12Z,  -1.70,   2.92,   1.73,  99.90,   0.51,  (max)
03/10 13Z,  -1.70,   2.89,   1.72,  99.90,   0.53,
03/10 14Z,  -1.70,   2.90,   1.69,  99.90,   0.49,  (min)
03/10 15Z,  -1.70,   2.95,   1.80,  99.90,   0.55,
03/10 16Z,  -1.70,   3.01,   1.89,  99.90,   0.58,
03/10 17Z,  -1.60,   3.08,   2.00,  99.90,   0.52,
03/10 18Z,  -1.60,   3.08,   2.01,  99.90,   0.53,
03/10 19Z,  -1.60,   2.99,   2.05,  99.90,   0.66,  (max)
03/10 20Z,  -1.60,   2.79,   1.93,  99.90,   0.74,
03/10 21Z,  -1.60,   2.43,   1.66,  99.90,   0.83,
03/10 22Z,  -1.60,   1.89,   1.22,  99.90,   0.93,
03/10 23Z,  -1.60,   1.28,   0.63,  99.90,   0.95,
03/11 00Z,  -1.60,   0.68,   0.01,  99.90,   0.93,
03/11 01Z,  -1.60,   0.20,  -0.61,  99.90,   0.79,
03/11 02Z,  -1.60,  -0.07,  -1.08,  99.90,   0.59,
03/11 03Z,  -1.60,  -0.12,  -1.38,  99.90,   0.34,
03/11 04Z,  -1.60,   0.05,  -1.45,  99.90,   0.10,  (min)
03/11 05Z,  -1.60,   0.41,  -1.30,  99.90,  -0.11,
03/11 06Z,  -1.60,   0.90,  -0.96,  99.90,  -0.26,
03/11 07Z,  -1.60,   1.45,  -0.39,  99.90,  -0.24,
03/11 08Z,  -1.60,   1.99,   0.24,  99.90,  -0.15,
03/11 09Z,  -1.60,   2.45,   0.82,  99.90,  -0.03,
03/11 10Z,  -1.60,   2.74,   1.28,  99.90,   0.14,
03/11 11Z,  -1.60,   2.88,   1.52,  99.90,   0.24,
03/11 12Z,  -1.60,   2.94,   1.79,  99.90,   0.45,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/11 13Z,  -1.60,   2.95,  99.90,   1.78,   0.43,
03/11 14Z,  -1.60,   2.97,  99.90,   1.78,   0.40,  (min)
03/11 15Z,  -1.60,   3.04,  99.90,   1.82,   0.38,
03/11 16Z,  -1.60,   3.12,  99.90,   1.88,   0.36,
03/11 17Z,  -1.50,   3.21,  99.90,   2.04,   0.34,
03/11 18Z,  -1.50,   3.26,  99.90,   2.07,   0.31,  (max)
03/11 19Z,  -1.50,   3.22,  99.90,   2.01,   0.29,
03/11 20Z,  -1.50,   3.06,  99.90,   1.83,   0.27,
03/11 21Z,  -1.50,   2.77,  99.90,   1.51,   0.25,
03/11 22Z,  -1.50,   2.29,  99.90,   1.01,   0.22,
03/11 23Z,  -1.60,   1.67,  99.90,   0.27,   0.20,
03/12 00Z,  -1.60,   1.03,  99.90,  -0.39,   0.18,
03/12 01Z,  -1.60,   0.46,  99.90,  -0.96,   0.18,
03/12 02Z,  -1.50,   0.03,  99.90,  -1.30,   0.18,
03/12 03Z,  -1.50,  -0.18,  99.90,  -1.51,   0.18,  (min)
03/12 04Z,  -1.50,  -0.16,  99.90,  -1.48,   0.18,
03/12 05Z,  -1.50,   0.08,  99.90,  -1.24,   0.18,
03/12 06Z,  -1.50,   0.49,  99.90,  -0.83,   0.18,
03/12 07Z,  -1.50,   1.00,  99.90,  -0.32,   0.18,
03/12 08Z,  -1.50,   1.54,  99.90,   0.22,   0.18,
03/12 09Z,  -1.50,   2.05,  99.90,   0.73,   0.18,
03/12 10Z,  -1.50,   2.45,  99.90,   1.13,   0.18,
03/12 11Z,  -1.50,   2.69,  99.90,   1.37,   0.18,
03/12 12Z,  -1.50,   2.83,  99.90,   1.51,   0.18,
03/12 13Z,  -1.50,   2.92,  99.90,   1.59,   0.18,
03/12 14Z,  -1.50,   2.97,  99.90,   1.64,   0.18,
03/12 15Z,  -1.50,   3.04,  99.90,   1.71,   0.18,
03/12 16Z,  -1.50,   3.15,  99.90,   1.83,   0.18,
03/12 17Z,  -1.50,   3.28,  99.90,   1.95,   0.18,
03/12 18Z,  -1.50,   3.37,  99.90,   2.05,   0.18,
03/12 19Z,  -1.50,   3.40,  99.90,   2.08,   0.18,  (max)
03/12 20Z,  -1.50,   3.30,  99.90,   1.98,   0.18,
03/12 21Z,  -1.50,   3.07,  99.90,   1.75,   0.18,
03/12 22Z,  -1.50,   2.68,  99.90,   1.35,   0.18,
03/12 23Z,  -1.50,   2.11,  99.90,   0.79,   0.18,
03/13 00Z,  -1.60,   1.46,  99.90,   0.04,   0.18,
03/13 01Z,  -1.60,   0.84,  99.90,  -0.59,   0.18,
03/13 02Z,  -1.50,   0.30,  99.90,  -1.03,   0.18,
03/13 03Z,  -1.50,  -0.08,  99.90,  -1.40,   0.18,
03/13 04Z,  -1.40,  -0.21,  99.90,  -1.43,   0.18,  (min)
03/13 05Z,  -1.40,  -0.11,  99.90,  -1.33,   0.18,
03/13 06Z,  -1.40,   0.18,  99.90,  -1.04,   0.18,
03/13 07Z,  -1.40,   0.62,  99.90,  -0.60,   0.18,
03/13 08Z,  -1.40,   1.13,  99.90,  -0.10,   0.18,
03/13 09Z,  -1.40,   1.63,  99.90,   0.41,   0.18,
03/13 10Z,  -1.40,   2.08,  99.90,   0.86,   0.18,
03/13 11Z,  -1.40,   2.41,  99.90,   1.19,   0.18,
03/13 12Z,  -1.40,   2.63,  99.90,   1.40,   0.18,
03/13 13Z,  -1.40,   2.78,  99.90,   1.56,   0.18,
03/13 14Z,  -1.40,   2.89,  99.90,   1.66,   0.18,
03/13 15Z,  -1.40,   2.97,  99.90,   1.75,   0.18,
03/13 16Z,  -1.40,   3.09,  99.90,   1.87,   0.18,
03/13 17Z,  -1.40,   3.25,  99.90,   2.03,   0.18,
03/13 18Z,  -1.40,   3.39,  99.90,   2.17,   0.18,
03/13 19Z,  -1.40,   3.48,  99.90,   2.26,   0.18,  (max)
03/13 20Z,  -1.40,   3.47,  99.90,   2.25,   0.18,
03/13 21Z,  -1.40,   3.31,  99.90,   2.09,   0.18,
03/13 22Z,  -1.40,   2.99,  99.90,   1.77,   0.18,
03/13 23Z,  -1.40,   2.52,  99.90,   1.30,   0.18,
03/14 00Z,  -1.40,   1.92,  99.90,   0.70,   0.18,
03/14 01Z,  -1.40,   1.28,  99.90,   0.06,   0.18,
03/14 02Z,  -1.40,   0.69,  99.90,  -0.54,   0.18,
03/14 03Z,  -1.40,   0.20,  99.90,  -1.03,   0.18,
03/14 04Z,  -1.40,  -0.10,  99.90,  -1.32,   0.18,  (min)
03/14 05Z,  -1.30,  -0.14,  99.90,  -1.27,   0.18,
03/14 06Z,  -1.30,   0.02,  99.90,  -1.10,   0.18,
03/14 07Z,  -1.30,   0.35,  99.90,  -0.77,   0.18,
03/14 08Z,  -1.30,   0.80,  99.90,  -0.33,   0.18,
03/14 09Z,  -1.30,   1.27,  99.90,   0.15,   0.18,
03/14 10Z,  -1.30,   1.71,  99.90,   0.59,   0.18,
03/14 11Z,  -1.30,   2.09,  99.90,   0.97,   0.18,
03/14 12Z,  -1.30,   2.38,  99.90,   1.26,   0.18,
03/14 13Z,  -1.20,   2.58,  99.90,   1.56,   0.18,
03/14 14Z,  -1.20,   2.73,  99.90,   1.71,   0.18,
03/14 15Z,  -1.20,   2.84,  99.90,   1.82,   0.18,
03/14 16Z,  -1.20,   2.96,  99.90,   1.93,   0.18,
03/14 17Z,  -1.20,   3.12,  99.90,   2.10,   0.18,
03/14 18Z,  -1.10,   3.30,  99.90,   2.38,   0.18,
03/14 19Z,  -1.10,   3.44,  99.90,   2.51,   0.18,
03/14 20Z,  -1.10,   3.51,  99.90,   2.58,   0.18,  (max)
03/14 21Z,  -1.10,   3.45,  99.90,   2.52,   0.18,
03/14 22Z,  -1.10,   3.21,  99.90,   2.29,   0.18,
03/14 23Z,  -1.10,   2.83,  99.90,   1.91,   0.18,
03/15 00Z,  -1.10,   2.33,  99.90,   1.41,   0.18,