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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Elfin Cove, AK
Yakutat, AK
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Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
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Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Seward, AK : 04/13/2026 17:22:54 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 00Z,   0.70,  -8.93,  -9.87,  99.90,  -1.64,  (min)
04/12 01Z,   0.70,  -8.63,  -9.45,  99.90,  -1.52,
04/12 02Z,   0.70,  -7.83,  -8.53,  99.90,  -1.40,
04/12 03Z,   0.70,  -6.66,  -7.42,  99.90,  -1.46,
04/12 04Z,   0.80,  -5.36,  -6.01,  99.90,  -1.45,
04/12 05Z,   0.80,  -4.27,  -4.87,  99.90,  -1.40,
04/12 06Z,   0.80,  -3.58,  -4.18,  99.90,  -1.40,
04/12 07Z,   0.80,  -3.38,  -3.99,  99.90,  -1.41,  (max)
04/12 08Z,   0.80,  -3.68,  -4.16,  99.90,  -1.28,
04/12 09Z,   0.90,  -4.36,  -4.91,  99.90,  -1.45,
04/12 10Z,   0.90,  -5.20,  -5.63,  99.90,  -1.33,
04/12 11Z,   1.00,  -5.89,  -6.29,  99.90,  -1.40,
04/12 12Z,   0.90,  -6.20,  -6.62,  99.90,  -1.32,  (min)
04/12 13Z,   0.90,  -6.07,  -6.56,  99.90,  -1.39,
04/12 14Z,   1.00,  -5.52,  -5.95,  99.90,  -1.43,
04/12 15Z,   1.00,  -4.65,  -5.21,  99.90,  -1.56,
04/12 16Z,   1.00,  -3.68,  -4.18,  99.90,  -1.50,
04/12 17Z,   1.00,  -2.91,  -3.40,  99.90,  -1.49,
04/12 18Z,   0.90,  -2.62,  -3.08,  99.90,  -1.36,  (max)
04/12 19Z,   1.00,  -2.93,  -3.45,  99.90,  -1.52,
04/12 20Z,   1.00,  -3.80,  -4.27,  99.90,  -1.47,
04/12 21Z,   1.10,  -5.15,  -5.59,  99.90,  -1.54,
04/12 22Z,   1.00,  -6.73,  -7.13,  99.90,  -1.40,
04/12 23Z,   1.20,  -8.17,  -8.55,  99.90,  -1.58,
04/13 00Z,   1.00,  -9.11,  -9.47,  99.90,  -1.36,
04/13 01Z,   1.10,  -9.37,  -9.85,  99.90,  -1.58,  (min)
04/13 02Z,   1.10,  -8.90,  -9.31,  99.90,  -1.51,
04/13 03Z,   1.10,  -7.78,  -8.20,  99.90,  -1.52,
04/13 04Z,   1.20,  -6.22,  -6.64,  99.90,  -1.62,
04/13 05Z,   1.20,  -4.60,  -5.02,  99.90,  -1.62,
04/13 06Z,   1.10,  -3.31,  -3.70,  99.90,  -1.49,
04/13 07Z,   1.20,  -2.63,  -2.99,  99.90,  -1.56,
04/13 08Z,   1.20,  -2.66,  -2.98,  99.90,  -1.52,  (max)
04/13 09Z,   1.20,  -3.35,  -3.63,  99.90,  -1.48,
04/13 10Z,   1.20,  -4.53,  -4.81,  99.90,  -1.48,
04/13 11Z,   1.20,  -5.86,  -6.13,  99.90,  -1.47,
04/13 12Z,   1.20,  -6.90,  -7.18,  99.90,  -1.48,
04/13 13Z,   1.20,  -7.38,  -7.69,  99.90,  -1.51,  (min)
04/13 14Z,   1.20,  -7.18,  -7.56,  99.90,  -1.58,
04/13 15Z,   1.20,  -6.34,  -6.73,  99.90,  -1.59,
04/13 16Z,   1.20,  -5.05,  -5.50,  99.90,  -1.65,
04/13 17Z,   1.20,  -3.64,  -4.18,  99.90,  -1.74,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 18Z,   1.20,  -2.55,  99.90,  -3.07,  -1.72,
04/13 19Z,   1.20,  -2.11,  99.90,  -2.61,  -1.70,  (max)
04/13 20Z,   1.20,  -2.45,  99.90,  -2.92,  -1.67,
04/13 21Z,   1.20,  -3.53,  99.90,  -3.98,  -1.65,
04/13 22Z,   1.20,  -5.19,  99.90,  -5.62,  -1.63,
04/13 23Z,   1.30,  -7.07,  99.90,  -7.38,  -1.61,
04/14 00Z,   1.30,  -8.69,  99.90,  -8.99,  -1.59,
04/14 01Z,   1.30,  -9.64,  99.90,  -9.91,  -1.57,
04/14 02Z,   1.30,  -9.69,  99.90,  -9.94,  -1.55,  (min)
04/14 03Z,   1.30,  -8.84,  99.90,  -9.07,  -1.53,
04/14 04Z,   1.30,  -7.23,  99.90,  -7.45,  -1.51,
04/14 05Z,   1.20,  -5.24,  99.90,  -5.53,  -1.49,
04/14 06Z,   1.20,  -3.35,  99.90,  -3.64,  -1.49,
04/14 07Z,   1.10,  -2.05,  99.90,  -2.44,  -1.49,
04/14 08Z,   1.10,  -1.62,  99.90,  -2.01,  -1.49,  (max)
04/14 09Z,   1.10,  -2.11,  99.90,  -2.51,  -1.49,
04/14 10Z,   1.00,  -3.41,  99.90,  -3.91,  -1.49,
04/14 11Z,   1.00,  -5.21,  99.90,  -5.70,  -1.49,
04/14 12Z,   0.90,  -7.02,  99.90,  -7.61,  -1.49,
04/14 13Z,   0.90,  -8.31,  99.90,  -8.90,  -1.49,
04/14 14Z,   0.90,  -8.75,  99.90,  -9.34,  -1.49,  (min)
04/14 15Z,   0.90,  -8.25,  99.90,  -8.84,  -1.49,
04/14 16Z,   0.90,  -6.94,  99.90,  -7.53,  -1.49,
04/14 17Z,   0.90,  -5.12,  99.90,  -5.71,  -1.49,
04/14 18Z,   0.90,  -3.28,  99.90,  -3.87,  -1.49,
04/14 19Z,   0.90,  -1.96,  99.90,  -2.55,  -1.49,
04/14 20Z,   1.00,  -1.52,  99.90,  -2.01,  -1.49,  (max)
04/14 21Z,   0.90,  -2.05,  99.90,  -2.64,  -1.49,
04/14 22Z,   1.10,  -3.46,  99.90,  -3.86,  -1.49,
04/14 23Z,   1.10,  -5.48,  99.90,  -5.87,  -1.49,
04/15 00Z,   0.90,  -7.62,  99.90,  -8.21,  -1.49,
04/15 01Z,   0.90,  -9.29,  99.90,  -9.88,  -1.49,
04/15 02Z,   0.90, -10.04,  99.90, -10.63,  -1.49,  (min)
04/15 03Z,   1.00,  -9.67,  99.90, -10.16,  -1.49,
04/15 04Z,   0.80,  -8.28,  99.90,  -8.97,  -1.49,
04/15 05Z,   0.80,  -6.14,  99.90,  -6.83,  -1.49,
04/15 06Z,   0.90,  -3.78,  99.90,  -4.37,  -1.49,
04/15 07Z,   1.00,  -1.81,  99.90,  -2.30,  -1.49,
04/15 08Z,   1.00,  -0.74,  99.90,  -1.23,  -1.49,  (max)
04/15 09Z,   1.00,  -0.80,  99.90,  -1.29,  -1.49,
04/15 10Z,   1.00,  -1.96,  99.90,  -2.45,  -1.49,
04/15 11Z,   1.10,  -3.97,  99.90,  -4.37,  -1.49,
04/15 12Z,   1.00,  -6.38,  99.90,  -6.87,  -1.49,
04/15 13Z,   1.00,  -8.55,  99.90,  -9.04,  -1.49,
04/15 14Z,   1.00,  -9.88,  99.90, -10.38,  -1.49,
04/15 15Z,   0.90, -10.07,  99.90, -10.66,  -1.49,  (min)
04/15 16Z,   0.90,  -9.08,  99.90,  -9.67,  -1.49,
04/15 17Z,   0.90,  -7.19,  99.90,  -7.78,  -1.49,
04/15 18Z,   1.00,  -4.85,  99.90,  -5.34,  -1.49,
04/15 19Z,   0.90,  -2.69,  99.90,  -3.28,  -1.49,
04/15 20Z,   1.00,  -1.30,  99.90,  -1.79,  -1.49,
04/15 21Z,   0.90,  -1.02,  99.90,  -1.61,  -1.49,  (max)
04/15 22Z,   1.00,  -1.87,  99.90,  -2.36,  -1.49,
04/15 23Z,   0.90,  -3.66,  99.90,  -4.25,  -1.49,
04/16 00Z,   0.90,  -5.98,  99.90,  -6.57,  -1.49,
04/16 01Z,   0.90,  -8.23,  99.90,  -8.82,  -1.49,
04/16 02Z,   0.80,  -9.75,  99.90, -10.44,  -1.49,
04/16 03Z,   0.80, -10.10,  99.90, -10.79,  -1.49,  (min)
04/16 04Z,   0.80,  -9.18,  99.90,  -9.87,  -1.49,
04/16 05Z,   0.80,  -7.20,  99.90,  -7.89,  -1.49,
04/16 06Z,   0.80,  -4.62,  99.90,  -5.31,  -1.49,
04/16 07Z,   0.80,  -2.08,  99.90,  -2.77,  -1.49,
04/16 08Z,   0.80,  -0.27,  99.90,  -0.96,  -1.49,
04/16 09Z,   0.80,   0.34,  99.90,  -0.35,  -1.49,  (max)
04/16 10Z,   0.80,  -0.39,  99.90,  -1.08,  -1.49,
04/16 11Z,   0.80,  -2.29,  99.90,  -2.99,  -1.49,
04/16 12Z,   0.70,  -4.99,  99.90,  -5.78,  -1.49,
04/16 13Z,   0.70,  -7.87,  99.90,  -8.66,  -1.49,
04/16 14Z,   0.60, -10.19,  99.90, -11.08,  -1.49,
04/16 15Z,   0.60, -11.35,  99.90, -12.24,  -1.49,  (min)
04/16 16Z,   0.60, -11.09,  99.90, -11.98,  -1.49,
04/16 17Z,   0.60,  -9.53,  99.90, -10.42,  -1.49,
04/16 18Z,   0.60,  -7.07,  99.90,  -7.97,  -1.49,
04/16 19Z,   0.60,  -4.34,  99.90,  -5.23,  -1.49,
04/16 20Z,   0.70,  -2.04,  99.90,  -2.83,  -1.49,
04/16 21Z,   0.70,  -0.76,  99.90,  -1.55,  -1.49,  (max)
04/16 22Z,   0.70,  -0.77,  99.90,  -1.56,  -1.49,
04/16 23Z,   0.80,  -1.98,  99.90,  -2.67,  -1.49,
04/17 00Z,   0.80,  -4.09,  99.90,  -4.78,  -1.49,
04/17 01Z,   0.80,  -6.58,  99.90,  -7.27,  -1.49,
04/17 02Z,   0.70,  -8.75,  99.90,  -9.54,  -1.49,
04/17 03Z,   0.80,  -9.93,  99.90, -10.62,  -1.49,  (min)
04/17 04Z,   0.80,  -9.74,  99.90, -10.43,  -1.49,
04/17 05Z,   0.90,  -8.22,  99.90,  -8.82,  -1.49,
04/17 06Z,   0.80,  -5.74,  99.90,  -6.44,  -1.49,
04/17 07Z,   0.80,  -2.90,  99.90,  -3.59,  -1.49,
04/17 08Z,   0.90,  -0.42,  99.90,  -1.01,  -1.49,
04/17 09Z,   0.90,   1.00,  99.90,   0.41,  -1.49,  (max)
04/17 10Z,   0.90,   0.99,  99.90,   0.40,  -1.49,
04/17 11Z,   0.80,  -0.47,  99.90,  -1.16,  -1.49,
04/17 12Z,   0.80,  -3.07,  99.90,  -3.76,  -1.49,