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
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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 : 05/11/2026 08:22:53 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/09 12Z,   1.50,  -3.95,  -3.89,  99.90,  -1.44,
05/09 13Z,   1.40,  -3.18,  -3.08,  99.90,  -1.30,
05/09 14Z,   1.40,  -2.72,  -2.54,  99.90,  -1.22,  (max)
05/09 15Z,   1.40,  -2.74,  -2.62,  99.90,  -1.28,
05/09 16Z,   1.50,  -3.33,  -3.19,  99.90,  -1.36,
05/09 17Z,   1.50,  -4.39,  -4.18,  99.90,  -1.29,
05/09 18Z,   1.60,  -5.76,  -5.58,  99.90,  -1.42,
05/09 19Z,   1.60,  -7.21,  -6.96,  99.90,  -1.35,
05/09 20Z,   1.60,  -8.47,  -8.22,  99.90,  -1.35,
05/09 21Z,   1.60,  -9.24,  -9.03,  99.90,  -1.39,
05/09 22Z,   1.60,  -9.34,  -9.15,  99.90,  -1.41,  (min)
05/09 23Z,   1.60,  -8.81,  -8.70,  99.90,  -1.49,
05/10 00Z,   1.70,  -7.82,  -7.59,  99.90,  -1.47,
05/10 01Z,   1.60,  -6.55,  -6.37,  99.90,  -1.42,
05/10 02Z,   1.60,  -5.24,  -5.13,  99.90,  -1.49,
05/10 03Z,   1.60,  -4.16,  -4.09,  99.90,  -1.53,
05/10 04Z,   1.60,  -3.53,  -3.38,  99.90,  -1.45,
05/10 05Z,   1.60,  -3.43,  -3.25,  99.90,  -1.42,  (max)
05/10 06Z,   1.60,  -3.79,  -3.50,  99.90,  -1.31,
05/10 07Z,   1.60,  -4.48,  -4.12,  99.90,  -1.24,
05/10 08Z,   1.60,  -5.29,  -4.95,  99.90,  -1.26,
05/10 09Z,   1.60,  -5.95,  -5.58,  99.90,  -1.23,
05/10 10Z,   1.60,  -6.21,  -5.77,  99.90,  -1.16,  (min)
05/10 11Z,   1.60,  -6.01,  -5.66,  99.90,  -1.25,
05/10 12Z,   1.50,  -5.44,  -5.24,  99.90,  -1.30,
05/10 13Z,   1.40,  -4.68,  -4.46,  99.90,  -1.18,
05/10 14Z,   1.40,  -3.88,  -3.63,  99.90,  -1.15,
05/10 15Z,   1.40,  -3.30,  -3.14,  99.90,  -1.24,
05/10 16Z,   1.40,  -3.15,  -2.98,  99.90,  -1.23,  (max)
05/10 17Z,   1.40,  -3.54,  -3.34,  99.90,  -1.20,
05/10 18Z,   1.40,  -4.43,  -4.23,  99.90,  -1.20,
05/10 19Z,   1.40,  -5.66,  -5.41,  99.90,  -1.15,
05/10 20Z,   1.40,  -7.04,  -6.77,  99.90,  -1.13,
05/10 21Z,   1.40,  -8.28,  -7.93,  99.90,  -1.05,
05/10 22Z,   1.40,  -9.04,  -8.75,  99.90,  -1.11,
05/10 23Z,   1.50,  -9.15,  -9.00,  99.90,  -1.35,  (min)
05/11 00Z,   1.40,  -8.62,  -8.61,  99.90,  -1.39,
05/11 01Z,   1.30,  -7.58,  -7.62,  99.90,  -1.34,
05/11 02Z,   1.20,  -6.21,  -6.24,  99.90,  -1.23,
05/11 03Z,   0.90,  -4.77,  -4.98,  99.90,  -1.11,
05/11 04Z,   1.10,  -3.58,  -3.89,  99.90,  -1.41,
05/11 05Z,   1.10,  -2.92,  -3.19,  99.90,  -1.37,
05/11 06Z,   1.00,  -2.87,  -3.04,  99.90,  -1.17,  (max)
05/11 07Z,   1.00,  -3.39,  -3.63,  99.90,  -1.24,
05/11 08Z,   1.10,  -4.34,  -4.55,  99.90,  -1.31,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/11 09Z,   1.20,  -5.47,  99.90,  -5.58,  -1.31,
05/11 10Z,   1.00,  -6.44,  99.90,  -6.74,  -1.30,
05/11 11Z,   0.90,  -6.96,  99.90,  -7.35,  -1.30,  (min)
05/11 12Z,   0.90,  -6.92,  99.90,  -7.31,  -1.29,
05/11 13Z,   0.80,  -6.40,  99.90,  -6.89,  -1.29,
05/11 14Z,   0.70,  -5.53,  99.90,  -6.11,  -1.28,
05/11 15Z,   0.50,  -4.51,  99.90,  -5.29,  -1.28,
05/11 16Z,   0.50,  -3.65,  99.90,  -4.43,  -1.28,
05/11 17Z,   0.50,  -3.25,  99.90,  -4.02,  -1.27,  (max)
05/11 18Z,   0.40,  -3.44,  99.90,  -4.31,  -1.27,
05/11 19Z,   0.50,  -4.21,  99.90,  -4.97,  -1.26,
05/11 20Z,   0.50,  -5.42,  99.90,  -6.18,  -1.26,
05/11 21Z,   0.50,  -6.85,  99.90,  -7.61,  -1.26,
05/11 22Z,   0.40,  -8.15,  99.90,  -9.00,  -1.26,
05/11 23Z,   0.50,  -8.95,  99.90,  -9.71,  -1.26,
05/12 00Z,   0.40,  -9.04,  99.90,  -9.90,  -1.26,  (min)
05/12 01Z,   0.50,  -8.41,  99.90,  -9.16,  -1.26,
05/12 02Z,   0.40,  -7.18,  99.90,  -8.04,  -1.26,
05/12 03Z,   0.30,  -5.58,  99.90,  -6.54,  -1.26,
05/12 04Z,   0.20,  -3.93,  99.90,  -4.99,  -1.26,
05/12 05Z,   0.20,  -2.65,  99.90,  -3.71,  -1.26,
05/12 06Z,   0.20,  -2.04,  99.90,  -3.10,  -1.26,  (max)
05/12 07Z,   0.20,  -2.20,  99.90,  -3.26,  -1.26,
05/12 08Z,   0.20,  -3.07,  99.90,  -4.13,  -1.26,
05/12 09Z,   0.30,  -4.45,  99.90,  -5.41,  -1.26,
05/12 10Z,   0.30,  -6.03,  99.90,  -6.99,  -1.26,
05/12 11Z,   0.40,  -7.37,  99.90,  -8.23,  -1.26,
05/12 12Z,   0.40,  -8.12,  99.90,  -8.98,  -1.26,
05/12 13Z,   0.40,  -8.15,  99.90,  -9.00,  -1.26,  (min)
05/12 14Z,   0.50,  -7.49,  99.90,  -8.25,  -1.26,
05/12 15Z,   0.50,  -6.32,  99.90,  -7.08,  -1.26,
05/12 16Z,   0.80,  -4.93,  99.90,  -5.39,  -1.26,
05/12 17Z,   0.60,  -3.71,  99.90,  -4.37,  -1.26,
05/12 18Z,   0.60,  -3.04,  99.90,  -3.70,  -1.26,
05/12 19Z,   0.70,  -3.09,  99.90,  -3.65,  -1.26,  (max)
05/12 20Z,   0.80,  -3.85,  99.90,  -4.31,  -1.26,
05/12 21Z,   0.80,  -5.15,  99.90,  -5.60,  -1.26,
05/12 22Z,   0.70,  -6.71,  99.90,  -7.26,  -1.26,
05/12 23Z,   0.90,  -8.11,  99.90,  -8.47,  -1.26,
05/13 00Z,   1.00,  -8.92,  99.90,  -9.18,  -1.26,
05/13 01Z,   0.90,  -8.91,  99.90,  -9.27,  -1.26,  (min)
05/13 02Z,   0.90,  -8.06,  99.90,  -8.42,  -1.26,
05/13 03Z,   0.90,  -6.53,  99.90,  -6.89,  -1.26,
05/13 04Z,   0.90,  -4.62,  99.90,  -4.98,  -1.26,
05/13 05Z,   0.90,  -2.78,  99.90,  -3.14,  -1.26,
05/13 06Z,   1.00,  -1.48,  99.90,  -1.74,  -1.26,
05/13 07Z,   1.10,  -1.06,  99.90,  -1.22,  -1.26,  (max)
05/13 08Z,   1.10,  -1.60,  99.90,  -1.76,  -1.26,
05/13 09Z,   1.10,  -2.98,  99.90,  -3.14,  -1.26,
05/13 10Z,   1.20,  -4.93,  99.90,  -4.99,  -1.26,
05/13 11Z,   1.20,  -7.01,  99.90,  -7.06,  -1.26,
05/13 12Z,   1.20,  -8.69,  99.90,  -8.75,  -1.26,
05/13 13Z,   1.20,  -9.56,  99.90,  -9.62,  -1.26,
05/13 14Z,   1.10,  -9.48,  99.90,  -9.63,  -1.26,  (min)
05/13 15Z,   1.20,  -8.50,  99.90,  -8.56,  -1.26,
05/13 16Z,   1.20,  -6.89,  99.90,  -6.95,  -1.26,
05/13 17Z,   1.20,  -5.05,  99.90,  -5.10,  -1.26,
05/13 18Z,   1.20,  -3.47,  99.90,  -3.53,  -1.26,
05/13 19Z,   1.20,  -2.60,  99.90,  -2.66,  -1.26,  (max)
05/13 20Z,   1.20,  -2.61,  99.90,  -2.67,  -1.26,
05/13 21Z,   1.20,  -3.46,  99.90,  -3.52,  -1.26,
05/13 22Z,   1.20,  -4.93,  99.90,  -4.99,  -1.26,
05/13 23Z,   1.20,  -6.67,  99.90,  -6.73,  -1.26,
05/14 00Z,   1.20,  -8.15,  99.90,  -8.21,  -1.26,
05/14 01Z,   0.90,  -8.91,  99.90,  -9.27,  -1.26,  (min)
05/14 02Z,   1.10,  -8.68,  99.90,  -8.84,  -1.26,
05/14 03Z,   1.10,  -7.50,  99.90,  -7.66,  -1.26,
05/14 04Z,   1.10,  -5.60,  99.90,  -5.76,  -1.26,
05/14 05Z,   1.00,  -3.39,  99.90,  -3.65,  -1.26,
05/14 06Z,   1.10,  -1.43,  99.90,  -1.59,  -1.26,
05/14 07Z,   1.20,  -0.25,  99.90,  -0.31,  -1.26,  (max)
05/14 08Z,   1.10,  -0.18,  99.90,  -0.34,  -1.26,
05/14 09Z,   1.10,  -1.23,  99.90,  -1.39,  -1.26,
05/14 10Z,   1.10,  -3.22,  99.90,  -3.38,  -1.26,
05/14 11Z,   1.10,  -5.76,  99.90,  -5.92,  -1.26,
05/14 12Z,   1.00,  -8.30,  99.90,  -8.55,  -1.26,
05/14 13Z,   0.90, -10.21,  99.90, -10.56,  -1.26,
05/14 14Z,   0.90, -11.05,  99.90, -11.40,  -1.26,  (min)
05/14 15Z,   0.90, -10.68,  99.90, -11.04,  -1.26,
05/14 16Z,   0.80,  -9.27,  99.90,  -9.72,  -1.26,
05/14 17Z,   0.80,  -7.15,  99.90,  -7.61,  -1.26,
05/14 18Z,   0.90,  -4.87,  99.90,  -5.23,  -1.26,
05/14 19Z,   0.90,  -3.02,  99.90,  -3.38,  -1.26,
05/14 20Z,   0.80,  -2.06,  99.90,  -2.52,  -1.26,  (max)
05/14 21Z,   0.80,  -2.14,  99.90,  -2.60,  -1.26,
05/14 22Z,   0.80,  -3.17,  99.90,  -3.63,  -1.26,
05/14 23Z,   0.90,  -4.86,  99.90,  -5.22,  -1.26,
05/15 00Z,   0.80,  -6.75,  99.90,  -7.21,  -1.26,