EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Alaska
Gulf of Alaska
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Elfin Cove, AK
Yakutat, AK
Cordova, AK
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Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
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Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Seward, AK : 04/14/2026 16:21:57 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 00Z,   1.00, -12.27, -12.63,  99.90,  -1.36,
04/13 01Z,   1.10, -12.53, -13.01,  99.90,  -1.58,  (min)
04/13 02Z,   1.10, -12.06, -12.47,  99.90,  -1.51,
04/13 03Z,   1.10, -10.94, -11.36,  99.90,  -1.52,
04/13 04Z,   1.20,  -9.38,  -9.80,  99.90,  -1.62,
04/13 05Z,   1.20,  -7.76,  -8.18,  99.90,  -1.62,
04/13 06Z,   1.10,  -6.47,  -6.86,  99.90,  -1.49,
04/13 07Z,   1.20,  -5.79,  -6.15,  99.90,  -1.56,
04/13 08Z,   1.20,  -5.82,  -6.14,  99.90,  -1.52,  (max)
04/13 09Z,   1.20,  -6.51,  -6.79,  99.90,  -1.48,
04/13 10Z,   1.20,  -7.69,  -7.97,  99.90,  -1.48,
04/13 11Z,   1.20,  -9.02,  -9.29,  99.90,  -1.47,
04/13 12Z,   1.20, -10.06, -10.34,  99.90,  -1.48,
04/13 13Z,   1.20, -10.54, -10.85,  99.90,  -1.51,  (min)
04/13 14Z,   1.20, -10.34, -10.72,  99.90,  -1.58,
04/13 15Z,   1.20,  -9.50,  -9.89,  99.90,  -1.59,
04/13 16Z,   1.20,  -8.21,  -8.66,  99.90,  -1.65,
04/13 17Z,   1.20,  -6.80,  -7.34,  99.90,  -1.74,
04/13 18Z,   1.20,  -5.71,  -6.21,  99.90,  -1.70,
04/13 19Z,   1.20,  -5.27,  -5.73,  99.90,  -1.66,  (max)
04/13 20Z,   1.30,  -5.61,  -6.04,  99.90,  -1.73,
04/13 21Z,   1.30,  -6.69,  -7.20,  99.90,  -1.81,
04/13 22Z,   1.30,  -8.35,  -8.82,  99.90,  -1.77,
04/13 23Z,   1.30, -10.23, -10.78,  99.90,  -1.85,
04/14 00Z,   1.30, -11.85, -12.40,  99.90,  -1.85,
04/14 01Z,   1.30, -12.80, -13.52,  99.90,  -2.02,
04/14 02Z,   1.20, -12.85, -13.55,  99.90,  -1.90,  (min)
04/14 03Z,   1.20, -12.00, -12.72,  99.90,  -1.92,
04/14 04Z,   1.20, -10.39, -11.11,  99.90,  -1.92,
04/14 05Z,   1.10,  -8.40,  -9.06,  99.90,  -1.76,
04/14 06Z,   1.10,  -6.51,  -7.22,  99.90,  -1.81,
04/14 07Z,   1.10,  -5.21,  -5.91,  99.90,  -1.80,
04/14 08Z,   1.10,  -4.78,  -5.42,  99.90,  -1.74,  (max)
04/14 09Z,   1.10,  -5.27,  -5.91,  99.90,  -1.74,
04/14 10Z,   1.10,  -6.57,  -7.16,  99.90,  -1.69,
04/14 11Z,   1.10,  -8.37,  -8.90,  99.90,  -1.63,
04/14 12Z,   1.00, -10.18, -10.73,  99.90,  -1.55,
04/14 13Z,   1.00, -11.47, -12.14,  99.90,  -1.67,
04/14 14Z,   0.90, -11.91, -12.55,  99.90,  -1.54,  (min)
04/14 15Z,   0.90, -11.41, -12.12,  99.90,  -1.61,
04/14 16Z,   0.90, -10.10, -10.80,  99.90,  -1.60,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 17Z,   0.90,  -8.28,  99.90,  -8.97,  -1.60,
04/14 18Z,   0.90,  -6.44,  99.90,  -7.13,  -1.59,
04/14 19Z,   0.90,  -5.12,  99.90,  -5.81,  -1.59,
04/14 20Z,   1.10,  -4.68,  99.90,  -5.16,  -1.58,  (max)
04/14 21Z,   1.10,  -5.21,  99.90,  -5.69,  -1.58,
04/14 22Z,   1.10,  -6.62,  99.90,  -7.10,  -1.58,
04/14 23Z,   1.00,  -8.64,  99.90,  -9.21,  -1.57,
04/15 00Z,   1.00, -10.78,  99.90, -11.34,  -1.57,
04/15 01Z,   1.00, -12.45,  99.90, -13.01,  -1.56,
04/15 02Z,   1.00, -13.20,  99.90, -13.75,  -1.56,  (min)
04/15 03Z,   1.00, -12.83,  99.90, -13.39,  -1.55,
04/15 04Z,   0.80, -11.44,  99.90, -12.18,  -1.55,
04/15 05Z,   1.00,  -9.30,  99.90,  -9.85,  -1.55,
04/15 06Z,   1.10,  -6.94,  99.90,  -7.39,  -1.55,
04/15 07Z,   1.00,  -4.97,  99.90,  -5.52,  -1.55,
04/15 08Z,   0.90,  -3.90,  99.90,  -4.55,  -1.55,  (max)
04/15 09Z,   0.90,  -3.96,  99.90,  -4.61,  -1.55,
04/15 10Z,   1.10,  -5.12,  99.90,  -5.57,  -1.55,
04/15 11Z,   1.00,  -7.13,  99.90,  -7.68,  -1.55,
04/15 12Z,   1.00,  -9.54,  99.90, -10.09,  -1.55,
04/15 13Z,   1.00, -11.71,  99.90, -12.25,  -1.55,
04/15 14Z,   1.00, -13.04,  99.90, -13.59,  -1.55,
04/15 15Z,   1.00, -13.23,  99.90, -13.77,  -1.55,  (min)
04/15 16Z,   1.00, -12.24,  99.90, -12.79,  -1.55,
04/15 17Z,   0.90, -10.35,  99.90, -10.99,  -1.55,
04/15 18Z,   0.90,  -8.01,  99.90,  -8.65,  -1.55,
04/15 19Z,   0.90,  -5.85,  99.90,  -6.50,  -1.55,
04/15 20Z,   0.90,  -4.46,  99.90,  -5.11,  -1.55,
04/15 21Z,   0.90,  -4.18,  99.90,  -4.83,  -1.55,  (max)
04/15 22Z,   0.90,  -5.03,  99.90,  -5.68,  -1.55,
04/15 23Z,   0.90,  -6.82,  99.90,  -7.47,  -1.55,
04/16 00Z,   0.80,  -9.14,  99.90,  -9.89,  -1.55,
04/16 01Z,   0.80, -11.39,  99.90, -12.14,  -1.55,
04/16 02Z,   0.80, -12.91,  99.90, -13.66,  -1.55,
04/16 03Z,   0.80, -13.26,  99.90, -14.01,  -1.55,  (min)
04/16 04Z,   0.70, -12.34,  99.90, -13.19,  -1.55,
04/16 05Z,   0.80, -10.36,  99.90, -11.11,  -1.55,
04/16 06Z,   0.70,  -7.78,  99.90,  -8.62,  -1.55,
04/16 07Z,   0.80,  -5.24,  99.90,  -5.98,  -1.55,
04/16 08Z,   0.70,  -3.43,  99.90,  -4.27,  -1.55,
04/16 09Z,   0.70,  -2.82,  99.90,  -3.66,  -1.55,  (max)
04/16 10Z,   0.70,  -3.55,  99.90,  -4.39,  -1.55,
04/16 11Z,   0.70,  -5.45,  99.90,  -6.30,  -1.55,
04/16 12Z,   0.60,  -8.15,  99.90,  -9.10,  -1.55,
04/16 13Z,   0.60, -11.03,  99.90, -11.98,  -1.55,
04/16 14Z,   0.60, -13.35,  99.90, -14.30,  -1.55,
04/16 15Z,   0.60, -14.51,  99.90, -15.46,  -1.55,  (min)
04/16 16Z,   0.50, -14.25,  99.90, -15.30,  -1.55,
04/16 17Z,   0.50, -12.69,  99.90, -13.74,  -1.55,
04/16 18Z,   0.50, -10.23,  99.90, -11.28,  -1.55,
04/16 19Z,   0.60,  -7.50,  99.90,  -8.45,  -1.55,
04/16 20Z,   0.50,  -5.20,  99.90,  -6.25,  -1.55,
04/16 21Z,   0.60,  -3.92,  99.90,  -4.87,  -1.55,
04/16 22Z,   0.70,  -3.93,  99.90,  -4.77,  -1.55,  (max)
04/16 23Z,   0.70,  -5.14,  99.90,  -5.99,  -1.55,
04/17 00Z,   0.70,  -7.25,  99.90,  -8.10,  -1.55,
04/17 01Z,   0.60,  -9.74,  99.90, -10.69,  -1.55,
04/17 02Z,   0.60, -11.91,  99.90, -12.86,  -1.55,
04/17 03Z,   0.70, -13.09,  99.90, -13.93,  -1.55,  (min)
04/17 04Z,   0.70, -12.90,  99.90, -13.75,  -1.55,
04/17 05Z,   0.80, -11.38,  99.90, -12.13,  -1.55,
04/17 06Z,   0.80,  -8.90,  99.90,  -9.65,  -1.55,
04/17 07Z,   0.80,  -6.06,  99.90,  -6.81,  -1.55,
04/17 08Z,   0.80,  -3.58,  99.90,  -4.33,  -1.55,
04/17 09Z,   0.80,  -2.16,  99.90,  -2.91,  -1.55,  (max)
04/17 10Z,   0.80,  -2.17,  99.90,  -2.92,  -1.55,
04/17 11Z,   0.80,  -3.63,  99.90,  -4.37,  -1.55,
04/17 12Z,   0.80,  -6.23,  99.90,  -6.98,  -1.55,
04/17 13Z,   0.70,  -9.45,  99.90, -10.30,  -1.55,
04/17 14Z,   0.70, -12.58,  99.90, -13.43,  -1.55,
04/17 15Z,   0.70, -14.82,  99.90, -15.67,  -1.55,
04/17 16Z,   0.70, -15.61,  99.90, -16.46,  -1.55,  (min)
04/17 17Z,   0.70, -14.83,  99.90, -15.67,  -1.55,
04/17 18Z,   0.70, -12.72,  99.90, -13.57,  -1.55,
04/17 19Z,   0.70,  -9.84,  99.90, -10.69,  -1.55,
04/17 20Z,   0.70,  -6.92,  99.90,  -7.77,  -1.55,
04/17 21Z,   0.80,  -4.68,  99.90,  -5.43,  -1.55,
04/17 22Z,   0.80,  -3.66,  99.90,  -4.41,  -1.55,  (max)
04/17 23Z,   0.80,  -4.00,  99.90,  -4.75,  -1.55,
04/18 00Z,   0.80,  -5.53,  99.90,  -6.28,  -1.55,
04/18 01Z,   0.80,  -7.83,  99.90,  -8.58,  -1.55,
04/18 02Z,   0.80, -10.30,  99.90, -11.04,  -1.55,
04/18 03Z,   0.80, -12.19,  99.90, -12.94,  -1.55,
04/18 04Z,   0.80, -12.88,  99.90, -13.63,  -1.55,  (min)
04/18 05Z,   0.80, -12.13,  99.90, -12.87,  -1.55,
04/18 06Z,   0.80, -10.10,  99.90, -10.85,  -1.55,
04/18 07Z,  99.90,  -7.31,  99.90,  99.90,  -1.55,
04/18 08Z,  99.90,  -4.45,  99.90,  99.90,  -1.55,
04/18 09Z,  99.90,  -2.27,  99.90,  99.90,  -1.55,
04/18 10Z,  99.90,  -1.39,  99.90,  99.90,  -1.55,
04/18 11Z,  99.90,  -2.06,  99.90,  99.90,  -1.55,
04/18 12Z,  99.90,  -4.16,  99.90,  99.90,  -1.55,