EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Alaska
Gulf of Alaska
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Ketchikan, AK
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Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
King Cove, AK
Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Friday Harbor, WA : 10/12/2026 08:22:51 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 12Z,   0.80,  -1.54,  -0.96,  99.90,  -0.22,
10/10 13Z,   0.80,  -1.31,  -0.72,  99.90,  -0.21,  (max)
10/10 14Z,   0.80,  -1.64,  -1.04,  99.90,  -0.20,
10/10 15Z,   0.80,  -2.39,  -1.83,  99.90,  -0.24,
10/10 16Z,   0.80,  -3.26,  -2.80,  99.90,  -0.34,
10/10 17Z,   0.80,  -3.91,  -3.56,  99.90,  -0.45,
10/10 18Z,   0.90,  -4.12,  -3.83,  99.90,  -0.61,  (min)
10/10 19Z,   0.80,  -3.85,  -3.58,  99.90,  -0.53,
10/10 20Z,   0.80,  -3.18,  -3.00,  99.90,  -0.62,
10/10 21Z,   0.80,  -2.30,  -2.12,  99.90,  -0.62,
10/10 22Z,   0.90,  -1.41,  -1.05,  99.90,  -0.54,
10/10 23Z,   0.80,  -0.71,  -0.27,  99.90,  -0.36,
10/11 00Z,   0.80,  -0.44,  -0.04,  99.90,  -0.40,  (max)
10/11 01Z,   0.80,  -0.76,  -0.33,  99.90,  -0.37,
10/11 02Z,   0.80,  -1.74,  -1.19,  99.90,  -0.25,
10/11 03Z,   0.80,  -3.24,  -2.49,  99.90,  -0.05,
10/11 04Z,   0.80,  -4.90,  -4.26,  99.90,  -0.16,
10/11 05Z,   0.80,  -6.31,  -5.77,  99.90,  -0.26,
10/11 06Z,   0.80,  -7.16,  -6.69,  99.90,  -0.33,
10/11 07Z,   0.70,  -7.28,  -6.72,  99.90,  -0.14,  (min)
10/11 08Z,   0.70,  -6.74,  -6.15,  99.90,  -0.11,
10/11 09Z,   0.70,  -5.71,  -5.15,  99.90,  -0.14,
10/11 10Z,   0.80,  -4.39,  -3.80,  99.90,  -0.21,
10/11 11Z,   0.70,  -3.01,  -2.49,  99.90,  -0.18,
10/11 12Z,   0.80,  -1.81,  -1.34,  99.90,  -0.33,
10/11 13Z,   0.80,  -1.02,  -0.62,  99.90,  -0.40,
10/11 14Z,   0.80,  -0.79,  -0.41,  99.90,  -0.42,  (max)
10/11 15Z,   0.70,  -1.13,  -0.75,  99.90,  -0.32,
10/11 16Z,   0.70,  -1.83,  -1.47,  99.90,  -0.34,
10/11 17Z,   0.80,  -2.59,  -2.24,  99.90,  -0.45,
10/11 18Z,   0.80,  -3.09,  -2.77,  99.90,  -0.48,
10/11 19Z,   0.80,  -3.18,  -2.87,  99.90,  -0.49,  (min)
10/11 20Z,   0.70,  -2.85,  -2.61,  99.90,  -0.46,
10/11 21Z,   0.80,  -2.24,  -2.06,  99.90,  -0.62,
10/11 22Z,   0.80,  -1.52,   1.15,  99.90,   1.87,
10/11 23Z,   0.80,  -0.89,   1.88,  99.90,   1.97,
10/12 00Z,   0.70,  -0.55,   2.22,  99.90,   2.07,  (max)
10/12 01Z,   0.70,  -0.69,   2.05,  99.90,   2.04,
10/12 02Z,   0.70,  -1.44,   1.33,  99.90,   2.07,
10/12 03Z,   0.70,  -2.79,   0.17,  99.90,   2.26,
10/12 04Z,   0.70,  -4.48,  -1.41,  99.90,   2.37,
10/12 05Z,   0.80,  -6.14,  -3.24,  99.90,   2.10,
10/12 06Z,   0.80,  -7.36,  -5.25,  99.90,   1.31,  (min)
10/12 07Z,   0.70,  -7.87,  -4.93,  99.90,   2.24,
10/12 08Z,   0.70,  -7.63,  -4.70,  99.90,   2.23,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 09Z,   0.70,  -6.75,  99.90,  -4.01,   2.04,
10/12 10Z,   0.70,  -5.45,  99.90,  -2.90,   1.84,
10/12 11Z,   0.70,  -3.94,  99.90,  -1.60,   1.65,
10/12 12Z,   0.70,  -2.47,  99.90,  -0.31,   1.46,
10/12 13Z,   0.70,  -1.25,  99.90,   0.71,   1.26,
10/12 14Z,   0.70,  -0.50,  99.90,   1.27,   1.07,  (max)
10/12 15Z,   0.70,  -0.34,  99.90,   1.24,   0.88,
10/12 16Z,   0.60,  -0.69,  99.90,   0.59,   0.68,
10/12 17Z,   0.70,  -1.34,  99.90,  -0.15,   0.49,
10/12 18Z,   0.70,  -1.98,  99.90,  -0.98,   0.30,
10/12 19Z,   0.70,  -2.35,  99.90,  -1.54,   0.10,
10/12 20Z,   0.60,  -2.35,  99.90,  -1.84,  -0.09,  (min)
10/12 21Z,   0.70,  -2.03,  99.90,  -1.42,  -0.09,
10/12 22Z,   0.70,  -1.54,  99.90,  -0.93,  -0.09,
10/12 23Z,   0.60,  -1.04,  99.90,  -0.53,  -0.09,
10/13 00Z,   0.60,  -0.71,  99.90,  -0.20,  -0.09,
10/13 01Z,   0.70,  -0.72,  99.90,  -0.11,  -0.09,  (max)
10/13 02Z,   0.70,  -1.23,  99.90,  -0.62,  -0.09,
10/13 03Z,   0.70,  -2.32,  99.90,  -1.71,  -0.09,
10/13 04Z,   0.70,  -3.88,  99.90,  -3.27,  -0.09,
10/13 05Z,   0.70,  -5.62,  99.90,  -5.01,  -0.09,
10/13 06Z,   0.70,  -7.11,  99.90,  -6.50,  -0.09,
10/13 07Z,   0.70,  -8.02,  99.90,  -7.41,  -0.09,
10/13 08Z,   0.70,  -8.17,  99.90,  -7.56,  -0.09,  (min)
10/13 09Z,   0.60,  -7.58,  99.90,  -7.07,  -0.09,
10/13 10Z,   0.60,  -6.43,  99.90,  -5.92,  -0.09,
10/13 11Z,   0.60,  -4.96,  99.90,  -4.45,  -0.09,
10/13 12Z,   0.60,  -3.37,  99.90,  -2.86,  -0.09,
10/13 13Z,   0.60,  -1.90,  99.90,  -1.38,  -0.09,
10/13 14Z,   0.60,  -0.74,  99.90,  -0.23,  -0.09,
10/13 15Z,   0.60,  -0.09,  99.90,   0.42,  -0.09,
10/13 16Z,   0.60,  -0.00,  99.90,   0.51,  -0.09,  (max)
10/13 17Z,   0.60,  -0.37,  99.90,   0.14,  -0.09,
10/13 18Z,   0.60,  -0.95,  99.90,  -0.44,  -0.09,
10/13 19Z,   0.60,  -1.47,  99.90,  -0.96,  -0.09,
10/13 20Z,   0.60,  -1.74,  99.90,  -1.23,  -0.09,  (min)
10/13 21Z,   0.60,  -1.71,  99.90,  -1.20,  -0.09,
10/13 22Z,   0.60,  -1.47,  99.90,  -0.96,  -0.09,
10/13 23Z,   0.50,  -1.15,  99.90,  -0.74,  -0.09,
10/14 00Z,   0.60,  -0.88,  99.90,  -0.37,  -0.09,
10/14 01Z,   0.60,  -0.83,  99.90,  -0.32,  -0.09,  (max)
10/14 02Z,   0.60,  -1.15,  99.90,  -0.64,  -0.09,
10/14 03Z,   0.60,  -1.95,  99.90,  -1.44,  -0.09,
10/14 04Z,   0.60,  -3.24,  99.90,  -2.73,  -0.09,
10/14 05Z,   0.60,  -4.86,  99.90,  -4.35,  -0.09,
10/14 06Z,   0.60,  -6.48,  99.90,  -5.97,  -0.09,
10/14 07Z,   0.60,  -7.71,  99.90,  -7.20,  -0.09,
10/14 08Z,   0.60,  -8.28,  99.90,  -7.77,  -0.09,  (min)
10/14 09Z,   0.60,  -8.09,  99.90,  -7.58,  -0.09,
10/14 10Z,   0.60,  -7.25,  99.90,  -6.74,  -0.09,
10/14 11Z,   0.60,  -5.94,  99.90,  -5.43,  -0.09,
10/14 12Z,   0.60,  -4.40,  99.90,  -3.89,  -0.09,
10/14 13Z,   0.60,  -2.84,  99.90,  -2.33,  -0.09,
10/14 14Z,   0.60,  -1.44,  99.90,  -0.93,  -0.09,
10/14 15Z,   0.70,  -0.41,  99.90,   0.20,  -0.09,
10/14 16Z,   0.60,   0.13,  99.90,   0.65,  -0.09,
10/14 17Z,   0.60,   0.17,  99.90,   0.68,  -0.09,  (max)
10/14 18Z,   0.60,  -0.17,  99.90,   0.34,  -0.09,
10/14 19Z,   0.60,  -0.67,  99.90,  -0.15,  -0.09,
10/14 20Z,   0.50,  -1.08,  99.90,  -0.67,  -0.09,
10/14 21Z,   0.50,  -1.30,  99.90,  -0.88,  -0.09,
10/14 22Z,   0.50,  -1.30,  99.90,  -0.89,  -0.09,  (min)
10/14 23Z,   0.50,  -1.17,  99.90,  -0.76,  -0.09,
10/15 00Z,   0.50,  -1.03,  99.90,  -0.62,  -0.09,  (max)
10/15 01Z,   0.40,  -0.99,  99.90,  -0.68,  -0.09,
10/15 02Z,   0.40,  -1.17,  99.90,  -0.86,  -0.09,
10/15 03Z,   0.40,  -1.71,  99.90,  -1.40,  -0.09,
10/15 04Z,   0.40,  -2.68,  99.90,  -2.37,  -0.09,
10/15 05Z,   0.40,  -4.04,  99.90,  -3.73,  -0.09,
10/15 06Z,   0.30,  -5.58,  99.90,  -5.37,  -0.09,
10/15 07Z,   0.30,  -6.99,  99.90,  -6.78,  -0.09,
10/15 08Z,   0.30,  -7.93,  99.90,  -7.71,  -0.09,
10/15 09Z,   0.30,  -8.19,  99.90,  -7.98,  -0.09,  (min)
10/15 10Z,   0.30,  -7.77,  99.90,  -7.56,  -0.09,
10/15 11Z,   0.30,  -6.79,  99.90,  -6.58,  -0.09,
10/15 12Z,   0.30,  -5.45,  99.90,  -5.24,  -0.09,
10/15 13Z,   0.30,  -3.95,  99.90,  -3.74,  -0.09,
10/15 14Z,   0.30,  -2.47,  99.90,  -2.26,  -0.09,
10/15 15Z,   0.30,  -1.20,  99.90,  -0.99,  -0.09,
10/15 16Z,   0.30,  -0.29,  99.90,  -0.08,  -0.09,
10/15 17Z,   0.30,   0.17,  99.90,   0.38,  -0.09,
10/15 18Z,   0.30,   0.19,  99.90,   0.40,  -0.09,  (max)
10/15 19Z,   0.30,  -0.10,  99.90,   0.11,  -0.09,
10/15 20Z,   0.30,  -0.50,  99.90,  -0.29,  -0.09,
10/15 21Z,   0.30,  -0.84,  99.90,  -0.63,  -0.09,
10/15 22Z,   0.30,  -1.05,  99.90,  -0.84,  -0.09,
10/15 23Z,   0.30,  -1.12,  99.90,  -0.91,  -0.09,
10/16 00Z,   0.30,  -1.12,  99.90,  -0.91,  -0.09,