EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Alaska
Gulf of Alaska
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Elfin Cove, AK
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Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
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Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Seward, AK : 04/14/2026 22:22:44 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
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,
04/13 18Z,   1.20,  -2.55,  -3.05,  99.90,  -1.70,
04/13 19Z,   1.20,  -2.11,  -2.57,  99.90,  -1.66,  (max)
04/13 20Z,   1.30,  -2.45,  -2.88,  99.90,  -1.73,
04/13 21Z,   1.30,  -3.53,  -4.04,  99.90,  -1.81,
04/13 22Z,   1.30,  -5.19,  -5.66,  99.90,  -1.77,
04/13 23Z,   1.30,  -7.07,  -7.62,  99.90,  -1.85,
04/14 00Z,   1.30,  -8.69,  -9.24,  99.90,  -1.85,
04/14 01Z,   1.30,  -9.64, -10.36,  99.90,  -2.02,
04/14 02Z,   1.20,  -9.69, -10.39,  99.90,  -1.90,  (min)
04/14 03Z,   1.20,  -8.84,  -9.56,  99.90,  -1.92,
04/14 04Z,   1.20,  -7.23,  -7.95,  99.90,  -1.92,
04/14 05Z,   1.10,  -5.24,  -5.90,  99.90,  -1.76,
04/14 06Z,   1.10,  -3.35,  -4.06,  99.90,  -1.81,
04/14 07Z,   1.10,  -2.05,  -2.75,  99.90,  -1.80,
04/14 08Z,   1.10,  -1.62,  -2.26,  99.90,  -1.74,  (max)
04/14 09Z,   1.10,  -2.11,  -2.75,  99.90,  -1.74,
04/14 10Z,   1.10,  -3.41,  -4.00,  99.90,  -1.69,
04/14 11Z,   1.10,  -5.21,  -5.74,  99.90,  -1.63,
04/14 12Z,   1.00,  -7.02,  -7.57,  99.90,  -1.55,
04/14 13Z,   1.00,  -8.31,  -8.98,  99.90,  -1.67,
04/14 14Z,   1.00,  -8.75,  -9.39,  99.90,  -1.64,  (min)
04/14 15Z,   1.00,  -8.25,  -8.96,  99.90,  -1.71,
04/14 16Z,   1.00,  -6.94,  -7.64,  99.90,  -1.70,
04/14 17Z,   1.00,  -5.12,  -5.91,  99.90,  -1.79,
04/14 18Z,   0.90,  -3.28,  -4.05,  99.90,  -1.67,
04/14 19Z,   0.90,  -1.96,  -2.78,  99.90,  -1.72,
04/14 20Z,   0.90,  -1.52,  -2.28,  99.90,  -1.66,  (max)
04/14 21Z,   0.90,  -2.05,  -2.85,  99.90,  -1.70,
04/14 22Z,   0.90,  -3.46,  -4.35,  99.90,  -1.79,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 23Z,   0.90,  -5.48,  99.90,  -6.35,  -1.77,
04/15 00Z,   0.90,  -7.62,  99.90,  -8.47,  -1.75,
04/15 01Z,   0.90,  -9.29,  99.90, -10.12,  -1.73,
04/15 02Z,   1.00, -10.04,  99.90, -10.75,  -1.71,  (min)
04/15 03Z,   1.00,  -9.67,  99.90, -10.37,  -1.70,
04/15 04Z,   1.10,  -8.28,  99.90,  -8.85,  -1.68,
04/15 05Z,   1.10,  -6.14,  99.90,  -6.70,  -1.66,
04/15 06Z,   0.90,  -3.78,  99.90,  -4.52,  -1.64,
04/15 07Z,   1.10,  -1.81,  99.90,  -2.33,  -1.62,
04/15 08Z,   1.20,  -0.74,  99.90,  -1.14,  -1.60,  (max)
04/15 09Z,   1.00,  -0.80,  99.90,  -1.39,  -1.59,
04/15 10Z,   1.00,  -1.96,  99.90,  -2.53,  -1.57,
04/15 11Z,   1.10,  -3.97,  99.90,  -4.44,  -1.57,
04/15 12Z,   1.00,  -6.38,  99.90,  -6.95,  -1.57,
04/15 13Z,   0.90,  -8.55,  99.90,  -9.21,  -1.57,
04/15 14Z,   0.90,  -9.88,  99.90, -10.55,  -1.57,
04/15 15Z,   0.90, -10.07,  99.90, -10.73,  -1.57,  (min)
04/15 16Z,   0.90,  -9.08,  99.90,  -9.75,  -1.57,
04/15 17Z,   0.80,  -7.19,  99.90,  -7.95,  -1.57,
04/15 18Z,   0.90,  -4.85,  99.90,  -5.51,  -1.57,
04/15 19Z,   0.90,  -2.69,  99.90,  -3.36,  -1.57,
04/15 20Z,   1.00,  -1.30,  99.90,  -1.87,  -1.57,
04/15 21Z,   1.00,  -1.02,  99.90,  -1.58,  -1.57,  (max)
04/15 22Z,   1.00,  -1.87,  99.90,  -2.44,  -1.57,
04/15 23Z,   1.00,  -3.66,  99.90,  -4.23,  -1.57,
04/16 00Z,   1.00,  -5.98,  99.90,  -6.55,  -1.57,
04/16 01Z,   0.90,  -8.23,  99.90,  -8.90,  -1.57,
04/16 02Z,   0.80,  -9.75,  99.90, -10.52,  -1.57,
04/16 03Z,   0.80, -10.10,  99.90, -10.87,  -1.57,  (min)
04/16 04Z,   0.80,  -9.18,  99.90,  -9.95,  -1.57,
04/16 05Z,   0.70,  -7.20,  99.90,  -8.07,  -1.57,
04/16 06Z,   0.60,  -4.62,  99.90,  -5.58,  -1.57,
04/16 07Z,   0.70,  -2.08,  99.90,  -2.94,  -1.57,
04/16 08Z,   0.70,  -0.27,  99.90,  -1.13,  -1.57,
04/16 09Z,   0.70,   0.34,  99.90,  -0.52,  -1.57,  (max)
04/16 10Z,   0.70,  -0.39,  99.90,  -1.25,  -1.57,
04/16 11Z,   0.70,  -2.29,  99.90,  -3.16,  -1.57,
04/16 12Z,   0.70,  -4.99,  99.90,  -5.86,  -1.57,
04/16 13Z,   0.70,  -7.87,  99.90,  -8.74,  -1.57,
04/16 14Z,   0.70, -10.19,  99.90, -11.06,  -1.57,
04/16 15Z,   0.50, -11.35,  99.90, -12.42,  -1.57,  (min)
04/16 16Z,   0.60, -11.09,  99.90, -12.06,  -1.57,
04/16 17Z,   0.60,  -9.53,  99.90, -10.50,  -1.57,
04/16 18Z,   0.60,  -7.07,  99.90,  -8.04,  -1.57,
04/16 19Z,   0.50,  -4.34,  99.90,  -5.41,  -1.57,
04/16 20Z,   0.60,  -2.04,  99.90,  -3.01,  -1.57,
04/16 21Z,   0.60,  -0.76,  99.90,  -1.73,  -1.57,  (max)
04/16 22Z,   0.60,  -0.77,  99.90,  -1.73,  -1.57,
04/16 23Z,   0.60,  -1.98,  99.90,  -2.95,  -1.57,
04/17 00Z,   0.70,  -4.09,  99.90,  -4.96,  -1.57,
04/17 01Z,   0.60,  -6.58,  99.90,  -7.55,  -1.57,
04/17 02Z,   0.70,  -8.75,  99.90,  -9.62,  -1.57,
04/17 03Z,   0.60,  -9.93,  99.90, -10.89,  -1.57,  (min)
04/17 04Z,   0.70,  -9.74,  99.90, -10.61,  -1.57,
04/17 05Z,   0.70,  -8.22,  99.90,  -9.09,  -1.57,
04/17 06Z,   0.80,  -5.74,  99.90,  -6.51,  -1.57,
04/17 07Z,   0.80,  -2.90,  99.90,  -3.66,  -1.57,
04/17 08Z,   0.80,  -0.42,  99.90,  -1.19,  -1.57,
04/17 09Z,   0.90,   1.00,  99.90,   0.33,  -1.57,  (max)
04/17 10Z,   0.90,   0.99,  99.90,   0.32,  -1.57,
04/17 11Z,   0.90,  -0.47,  99.90,  -1.13,  -1.57,
04/17 12Z,   0.80,  -3.07,  99.90,  -3.83,  -1.57,
04/17 13Z,   0.80,  -6.29,  99.90,  -7.06,  -1.57,
04/17 14Z,   0.80,  -9.42,  99.90, -10.19,  -1.57,
04/17 15Z,   0.80, -11.66,  99.90, -12.43,  -1.57,
04/17 16Z,   0.80, -12.45,  99.90, -13.22,  -1.57,  (min)
04/17 17Z,   0.70, -11.67,  99.90, -12.53,  -1.57,
04/17 18Z,   0.70,  -9.56,  99.90, -10.43,  -1.57,
04/17 19Z,   0.70,  -6.68,  99.90,  -7.55,  -1.57,
04/17 20Z,   0.70,  -3.76,  99.90,  -4.62,  -1.57,
04/17 21Z,   0.70,  -1.52,  99.90,  -2.39,  -1.57,
04/17 22Z,   0.70,  -0.50,  99.90,  -1.37,  -1.57,  (max)
04/17 23Z,   0.80,  -0.84,  99.90,  -1.61,  -1.57,
04/18 00Z,   0.70,  -2.37,  99.90,  -3.24,  -1.57,
04/18 01Z,   0.70,  -4.67,  99.90,  -5.54,  -1.57,
04/18 02Z,   0.70,  -7.14,  99.90,  -8.00,  -1.57,
04/18 03Z,   0.80,  -9.03,  99.90,  -9.79,  -1.57,
04/18 04Z,   0.80,  -9.72,  99.90, -10.49,  -1.57,  (min)
04/18 05Z,   0.80,  -8.97,  99.90,  -9.73,  -1.57,
04/18 06Z,   0.80,  -6.94,  99.90,  -7.71,  -1.57,
04/18 07Z,   0.80,  -4.15,  99.90,  -4.92,  -1.57,
04/18 08Z,   0.90,  -1.29,  99.90,  -1.95,  -1.57,
04/18 09Z,   0.80,   0.89,  99.90,   0.13,  -1.57,
04/18 10Z,   0.80,   1.77,  99.90,   1.01,  -1.57,  (max)
04/18 11Z,   0.80,   1.10,  99.90,   0.33,  -1.57,
04/18 12Z,   0.80,  -1.00,  99.90,  -1.76,  -1.57,
04/18 13Z,  99.90,  -4.11,  99.90,  99.90,  -1.57,
04/18 14Z,  99.90,  -7.62,  99.90,  99.90,  -1.57,
04/18 15Z,  99.90, -10.74,  99.90,  99.90,  -1.57,
04/18 16Z,  99.90, -12.69,  99.90,  99.90,  -1.57,
04/18 17Z,  99.90, -13.02,  99.90,  99.90,  -1.57,
04/18 18Z,  99.90, -11.74,  99.90,  99.90,  -1.57,