EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Gulf of Alaska
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Unalaska, AK
Surge List
Gulf of Alaska
#Unalaska, AK : 03/12/2026 22:21:15 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/11 06Z,  -1.20,   0.94,  -0.15,  99.90,   0.11,
03/11 07Z,  -1.10,   1.64,   0.54,  99.90,   0.00,
03/11 08Z,  -1.10,   2.34,   1.22,  99.90,  -0.02,
03/11 09Z,  -1.10,   2.92,   1.74,  99.90,  -0.08,
03/11 10Z,  -1.10,   3.30,   2.00,  99.90,  -0.20,
03/11 11Z,  -1.10,   3.45,   2.32,  99.90,  -0.03,  (max)
03/11 12Z,  -1.10,   3.41,   2.21,  99.90,  -0.10,
03/11 13Z,  -1.10,   3.24,   1.99,  99.90,  -0.15,
03/11 14Z,  -1.00,   3.03,   1.90,  99.90,  -0.13,
03/11 15Z,  -1.00,   2.88,   1.77,  99.90,  -0.11,
03/11 16Z,  -1.00,   2.84,   1.71,  99.90,  -0.13,  (min)
03/11 17Z,  -0.90,   2.91,   1.78,  99.90,  -0.23,
03/11 18Z,  -1.00,   3.06,   2.00,  99.90,  -0.06,
03/11 19Z,  -1.00,   3.21,   2.09,  99.90,  -0.12,
03/11 20Z,  -0.90,   3.27,   2.18,  99.90,  -0.19,  (max)
03/11 21Z,  -0.90,   3.18,   1.98,  99.90,  -0.30,
03/11 22Z,  -0.80,   2.88,   1.61,  99.90,  -0.47,
03/11 23Z,  -0.80,   2.39,   1.08,  99.90,  -0.51,
03/12 00Z,  -0.90,   1.76,   0.55,  99.90,  -0.31,
03/12 01Z,  -0.90,   1.09,  -0.03,  99.90,  -0.22,
03/12 02Z,  -0.80,   0.49,  -0.55,  99.90,  -0.24,
03/12 03Z,  -0.80,   0.07,  -1.16,  99.90,  -0.43,
03/12 04Z,  -0.70,  -0.09,  -1.26,  99.90,  -0.47,  (min)
03/12 05Z,  -0.70,   0.05,  -1.03,  99.90,  -0.38,
03/12 06Z,  -0.80,   0.47,  -0.58,  99.90,  -0.25,
03/12 07Z,  -0.80,   1.09,   0.12,  99.90,  -0.17,
03/12 08Z,  -0.70,   1.80,   0.89,  99.90,  -0.21,
03/12 09Z,  -0.70,   2.47,   1.48,  99.90,  -0.29,
03/12 10Z,  -0.60,   2.99,   2.04,  99.90,  -0.35,
03/12 11Z,  -0.60,   3.31,   2.41,  99.90,  -0.30,  (max)
03/12 12Z,  -0.70,   3.41,   2.38,  99.90,  -0.33,
03/12 13Z,  -0.70,   3.33,   2.22,  99.90,  -0.41,
03/12 14Z,  -0.70,   3.16,   2.14,  99.90,  -0.32,
03/12 15Z,  -0.70,   2.99,   1.98,  99.90,  -0.31,
03/12 16Z,  -0.70,   2.90,   1.88,  99.90,  -0.32,  (min)
03/12 17Z,  -0.60,   2.93,   2.00,  99.90,  -0.33,
03/12 18Z,  -0.60,   3.05,   2.05,  99.90,  -0.40,
03/12 19Z,  -0.60,   3.22,   2.22,  99.90,  -0.40,
03/12 20Z,  -0.60,   3.35,   2.35,  99.90,  -0.40,
03/12 21Z,  -0.50,   3.36,   2.36,  99.90,  -0.50,  (max)
03/12 22Z,  -0.60,   3.18,   2.08,  99.90,  -0.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/12 23Z,  -0.60,   2.79,  99.90,   1.74,  -0.45,
03/13 00Z,  -0.60,   2.22,  99.90,   1.22,  -0.40,
03/13 01Z,  -0.60,   1.55,  99.90,   0.59,  -0.36,
03/13 02Z,  -0.60,   0.87,  99.90,  -0.04,  -0.31,
03/13 03Z,  -0.60,   0.31,  99.90,  -0.56,  -0.27,
03/13 04Z,  -0.60,  -0.03,  99.90,  -0.85,  -0.22,  (min)
03/13 05Z,  -0.50,  -0.09,  99.90,  -0.77,  -0.18,
03/13 06Z,  -0.40,   0.14,  99.90,  -0.39,  -0.13,
03/13 07Z,  -0.40,   0.63,  99.90,   0.14,  -0.08,
03/13 08Z,  -0.30,   1.27,  99.90,   0.94,  -0.04,
03/13 09Z,  -0.30,   1.96,  99.90,   1.67,   0.01,
03/13 10Z,  -0.30,   2.57,  99.90,   2.33,   0.05,
03/13 11Z,  -0.30,   3.02,  99.90,   2.77,   0.05,
03/13 12Z,  -0.30,   3.25,  99.90,   3.00,   0.05,  (max)
03/13 13Z,  -0.40,   3.28,  99.90,   2.94,   0.05,
03/13 14Z,  -0.50,   3.18,  99.90,   2.74,   0.05,
03/13 15Z,  -0.50,   3.03,  99.90,   2.58,   0.05,
03/13 16Z,  -0.60,   2.92,  99.90,   2.37,   0.05,
03/13 17Z,  -0.60,   2.90,  99.90,   2.35,   0.05,  (min)
03/13 18Z,  -0.60,   2.99,  99.90,   2.44,   0.05,
03/13 19Z,  -0.60,   3.16,  99.90,   2.61,   0.05,
03/13 20Z,  -0.70,   3.33,  99.90,   2.69,   0.05,
03/13 21Z,  -0.70,   3.43,  99.90,   2.78,   0.05,  (max)
03/13 22Z,  -0.80,   3.36,  99.90,   2.62,   0.05,
03/13 23Z,  -0.80,   3.09,  99.90,   2.35,   0.05,
03/14 00Z,  -0.80,   2.62,  99.90,   1.87,   0.05,
03/14 01Z,  -0.80,   1.99,  99.90,   1.25,   0.05,
03/14 02Z,  -0.70,   1.30,  99.90,   0.65,   0.05,
03/14 03Z,  -0.70,   0.65,  99.90,   0.01,   0.05,
03/14 04Z,  -0.70,   0.17,  99.90,  -0.48,   0.05,
03/14 05Z,  -0.70,  -0.07,  99.90,  -0.72,   0.05,  (min)
03/14 06Z,  -0.70,  -0.02,  99.90,  -0.67,   0.05,
03/14 07Z,  -0.70,   0.30,  99.90,  -0.34,   0.05,
03/14 08Z,  -0.70,   0.84,  99.90,   0.19,   0.05,
03/14 09Z,  -0.70,   1.48,  99.90,   0.84,   0.05,
03/14 10Z,  -0.70,   2.12,  99.90,   1.48,   0.05,
03/14 11Z,  -0.70,   2.65,  99.90,   2.00,   0.05,
03/14 12Z,  -0.70,   2.99,  99.90,   2.34,   0.05,
03/14 13Z,  -0.70,   3.13,  99.90,   2.48,   0.05,
03/14 14Z,  -0.60,   3.10,  99.90,   2.56,   0.05,  (max)
03/14 15Z,  -0.60,   2.98,  99.90,   2.43,   0.05,
03/14 16Z,  -0.60,   2.85,  99.90,   2.31,   0.05,
03/14 17Z,  -0.60,   2.80,  99.90,   2.25,   0.05,  (min)
03/14 18Z,  -0.60,   2.85,  99.90,   2.30,   0.05,
03/14 19Z,  -0.60,   3.00,  99.90,   2.45,   0.05,
03/14 20Z,  -0.70,   3.20,  99.90,   2.55,   0.05,
03/14 21Z,  -0.70,   3.37,  99.90,   2.72,   0.05,
03/14 22Z,  -0.70,   3.42,  99.90,   2.77,   0.05,  (max)
03/14 23Z,  -0.70,   3.28,  99.90,   2.63,   0.05,
03/15 00Z,  -0.70,   2.93,  99.90,   2.28,   0.05,
03/15 01Z,  -0.70,   2.39,  99.90,   1.74,   0.05,
03/15 02Z,  -0.70,   1.73,  99.90,   1.09,   0.05,
03/15 03Z,  -0.60,   1.06,  99.90,   0.51,   0.05,
03/15 04Z,  -0.60,   0.48,  99.90,  -0.06,   0.05,
03/15 05Z,  -0.60,   0.10,  99.90,  -0.45,   0.05,
03/15 06Z,  -0.60,  -0.02,  99.90,  -0.56,   0.05,  (min)
03/15 07Z,  -0.60,   0.14,  99.90,  -0.40,   0.05,
03/15 08Z,  -0.60,   0.55,  99.90,   0.00,   0.05,
03/15 09Z,  -0.60,   1.11,  99.90,   0.56,   0.05,
03/15 10Z,  -0.60,   1.73,  99.90,   1.18,   0.05,
03/15 11Z,  -0.60,   2.29,  99.90,   1.74,   0.05,
03/15 12Z,  -0.60,   2.70,  99.90,   2.15,   0.05,
03/15 13Z,  -0.60,   2.92,  99.90,   2.38,   0.05,
03/15 14Z,  -0.60,   2.96,  99.90,   2.41,   0.05,
03/15 15Z,  -0.50,   2.86,  99.90,   2.42,   0.05,  (max)
03/15 16Z,  -0.50,   2.72,  99.90,   2.28,   0.05,
03/15 17Z,  -0.50,   2.62,  99.90,   2.17,   0.05,
03/15 18Z,  -0.50,   2.61,  99.90,   2.17,   0.05,  (min)
03/15 19Z,  -0.50,   2.73,  99.90,   2.28,   0.05,
03/15 20Z,  -0.50,   2.93,  99.90,   2.48,   0.05,
03/15 21Z,  -0.50,   3.15,  99.90,   2.70,   0.05,
03/15 22Z,  -0.50,   3.30,  99.90,   2.86,   0.05,
03/15 23Z,  -0.50,   3.31,  99.90,   2.86,   0.05,  (max)
03/16 00Z,  -0.50,   3.11,  99.90,   2.66,   0.05,
03/16 01Z,  -0.40,   2.70,  99.90,   2.36,   0.05,
03/16 02Z,  -0.40,   2.14,  99.90,   1.79,   0.05,
03/16 03Z,  -0.40,   1.49,  99.90,   1.15,   0.05,
03/16 04Z,  -0.50,   0.88,  99.90,   0.44,   0.05,
03/16 05Z,  -0.40,   0.41,  99.90,   0.06,   0.05,
03/16 06Z,  -0.40,   0.15,  99.90,  -0.19,   0.05,  (min)
03/16 07Z,  -0.40,   0.16,  99.90,  -0.19,   0.05,
03/16 08Z,  -0.40,   0.42,  99.90,   0.08,   0.05,
03/16 09Z,  -0.40,   0.88,  99.90,   0.54,   0.05,
03/16 10Z,  -0.50,   1.44,  99.90,   1.00,   0.05,
03/16 11Z,  -0.50,   2.00,  99.90,   1.55,   0.05,
03/16 12Z,  -0.40,   2.45,  99.90,   2.10,   0.05,
03/16 13Z,  99.90,   2.72,  99.90,  99.90,   0.05,
03/16 14Z,  99.90,   2.81,  99.90,  99.90,   0.05,
03/16 15Z,  99.90,   2.73,  99.90,  99.90,   0.05,
03/16 16Z,  99.90,   2.57,  99.90,  99.90,   0.05,
03/16 17Z,  99.90,   2.40,  99.90,  99.90,   0.05,
03/16 18Z,  99.90,   2.31,  99.90,  99.90,   0.05,