EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Ketchikan, AK
Sitka, AK
Juneau, AK
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
#Kodiak Island, AK : 04/17/2026 14:21:57 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/15 18Z,  -0.40,  -8.07,  -8.68,  99.90,  -0.21,
04/15 19Z,  -0.40,  -6.15,  -6.68,  99.90,  -0.13,
04/15 20Z,  -0.40,  -4.54,  -5.15,  99.90,  -0.21,
04/15 21Z,  -0.50,  -3.67,  -4.34,  99.90,  -0.17,  (max)
04/15 22Z,  -0.40,  -3.73,  -4.52,  99.90,  -0.39,
04/15 23Z,  -0.40,  -4.66,  -5.41,  99.90,  -0.35,
04/16 00Z,  -0.40,  -6.30,  -6.94,  99.90,  -0.24,
04/16 01Z,  -0.40,  -8.27,  -8.81,  99.90,  -0.14,
04/16 02Z,  -0.50, -10.00, -10.66,  99.90,  -0.16,
04/16 03Z,  -0.50, -10.95, -11.74,  99.90,  -0.29,  (min)
04/16 04Z,  -0.50, -10.85, -11.41,  99.90,  -0.06,
04/16 05Z,  -0.50,  -9.79, -10.31,  99.90,  -0.02,
04/16 06Z,  -0.50,  -7.99,  -8.72,  99.90,  -0.23,
04/16 07Z,  -0.50,  -5.85,  -6.64,  99.90,  -0.29,
04/16 08Z,  -0.50,  -3.92,  -4.49,  99.90,  -0.07,
04/16 09Z,  -0.50,  -2.73,  -3.24,  99.90,  -0.01,  (max)
04/16 10Z,  -0.50,  -2.58,  -3.30,  99.90,  -0.22,
04/16 11Z,  -0.50,  -3.48,  -4.05,  99.90,  -0.07,
04/16 12Z,  -0.50,  -5.27,  -5.69,  99.90,   0.08,
04/16 13Z,  -0.60,  -7.59,  -8.19,  99.90,   0.00,
04/16 14Z,  -0.60,  -9.91, -10.53,  99.90,  -0.02,
04/16 15Z,  -0.60, -11.55, -12.09,  99.90,   0.06,
04/16 16Z,  -0.60, -12.11, -12.50,  99.90,   0.21,  (min)
04/16 17Z,  -0.60, -11.53, -11.91,  99.90,   0.22,
04/16 18Z,  -0.60, -10.03, -10.56,  99.90,   0.07,
04/16 19Z,  -0.50,  -7.94,  -8.49,  99.90,  -0.05,
04/16 20Z,  -0.50,  -5.78,  -6.30,  99.90,  -0.02,
04/16 21Z,  -0.50,  -4.12,  -4.66,  99.90,  -0.04,
04/16 22Z,  -0.50,  -3.38,  -4.05,  99.90,  -0.17,  (max)
04/16 23Z,  -0.50,  -3.67,  -4.42,  99.90,  -0.25,
04/17 00Z,  -0.40,  -4.87,  -5.40,  99.90,  -0.13,
04/17 01Z,  -0.40,  -6.72,  -7.15,  99.90,  -0.03,
04/17 02Z,  -0.50,  -8.76,  -9.19,  99.90,   0.07,
04/17 03Z,  -0.50, -10.33, -10.89,  99.90,  -0.06,
04/17 04Z,  -0.50, -10.92, -11.48,  99.90,  -0.06,  (min)
04/17 05Z,  -0.50, -10.36, -10.68,  99.90,   0.18,
04/17 06Z,  -0.50,  -8.83,  -9.23,  99.90,   0.10,
04/17 07Z,  -0.50,  -6.68,  -7.16,  99.90,   0.02,
04/17 08Z,  -0.50,  -4.40,  -4.70,  99.90,   0.20,
04/17 09Z,  -0.50,  -2.59,  -3.03,  99.90,   0.06,
04/17 10Z,  -0.50,  -1.77,  -2.35,  99.90,  -0.08,  (max)
04/17 11Z,  -0.50,  -2.15,  -2.65,  99.90,   0.00,
04/17 12Z,  -0.60,  -3.65,  -4.16,  99.90,   0.09,
04/17 13Z,  -0.60,  -5.98,  -6.39,  99.90,   0.19,
04/17 14Z,  -0.60,  -8.70,  -9.26,  99.90,   0.04,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 15Z,  -0.60, -11.14,  99.90, -11.71,   0.03,
04/17 16Z,  -0.60, -12.64,  99.90, -13.21,   0.03,
04/17 17Z,  -0.70, -12.86,  99.90, -13.54,   0.02,  (min)
04/17 18Z,  -0.70, -11.88,  99.90, -12.56,   0.02,
04/17 19Z,  -0.70,  -9.99,  99.90, -10.67,   0.02,
04/17 20Z,  -0.70,  -7.64,  99.90,  -8.33,   0.01,
04/17 21Z,  -0.70,  -5.40,  99.90,  -6.09,   0.01,
04/17 22Z,  -0.60,  -3.84,  99.90,  -4.44,   0.00,
04/17 23Z,  -0.60,  -3.32,  99.90,  -3.92,  -0.00,  (max)
04/18 00Z,  -0.60,  -3.86,  99.90,  -4.47,  -0.01,
04/18 01Z,  -0.60,  -5.28,  99.90,  -5.89,  -0.01,
04/18 02Z,  -0.60,  -7.23,  99.90,  -7.84,  -0.01,
04/18 03Z,  -0.70,  -9.16,  99.90,  -9.88,  -0.01,
04/18 04Z,  -0.60, -10.43,  99.90, -11.04,  -0.01,
04/18 05Z,  -0.60, -10.57,  99.90, -11.18,  -0.01,  (min)
04/18 06Z,  -0.60,  -9.55,  99.90, -10.16,  -0.01,
04/18 07Z,  -0.60,  -7.66,  99.90,  -8.27,  -0.01,
04/18 08Z,  -0.60,  -5.33,  99.90,  -5.94,  -0.01,
04/18 09Z,  -0.60,  -3.10,  99.90,  -3.72,  -0.01,
04/18 10Z,  -0.60,  -1.58,  99.90,  -2.20,  -0.01,
04/18 11Z,  -0.60,  -1.23,  99.90,  -1.84,  -0.01,  (max)
04/18 12Z,  -0.60,  -2.15,  99.90,  -2.76,  -0.01,
04/18 13Z,  -0.60,  -4.15,  99.90,  -4.76,  -0.01,
04/18 14Z,  -0.60,  -6.87,  99.90,  -7.49,  -0.01,
04/18 15Z,  -0.60,  -9.77,  99.90, -10.38,  -0.01,
04/18 16Z,  -0.70, -12.13,  99.90, -12.84,  -0.01,
04/18 17Z,  -0.70, -13.35,  99.90, -14.06,  -0.01,  (min)
04/18 18Z,  -0.60, -13.19,  99.90, -13.81,  -0.01,
04/18 19Z,  -0.60, -11.86,  99.90, -12.47,  -0.01,
04/18 20Z,  -0.60,  -9.74,  99.90, -10.35,  -0.01,
04/18 21Z,  -0.60,  -7.31,  99.90,  -7.92,  -0.01,
04/18 22Z,  -0.50,  -5.16,  99.90,  -5.67,  -0.01,
04/18 23Z,  -0.50,  -3.81,  99.90,  -4.33,  -0.01,
04/19 00Z,  -0.50,  -3.54,  99.90,  -4.06,  -0.01,  (max)
04/19 01Z,  -0.40,  -4.29,  99.90,  -4.70,  -0.01,
04/19 02Z,  -0.40,  -5.81,  99.90,  -6.22,  -0.01,
04/19 03Z,  -0.40,  -7.70,  99.90,  -8.11,  -0.01,
04/19 04Z,  -0.40,  -9.39,  99.90,  -9.80,  -0.01,
04/19 05Z,  -0.40, -10.25,  99.90, -10.66,  -0.01,  (min)
04/19 06Z,  -0.40,  -9.94,  99.90, -10.36,  -0.01,
04/19 07Z,  -0.40,  -8.57,  99.90,  -8.98,  -0.01,
04/19 08Z,  -0.40,  -6.48,  99.90,  -6.90,  -0.01,
04/19 09Z,  -0.30,  -4.17,  99.90,  -4.48,  -0.01,
04/19 10Z,  -0.30,  -2.16,  99.90,  -2.48,  -0.01,
04/19 11Z,  -0.30,  -1.04,  99.90,  -1.36,  -0.01,  (max)
04/19 12Z,  -0.30,  -1.16,  99.90,  -1.47,  -0.01,
04/19 13Z,  -0.30,  -2.52,  99.90,  -2.83,  -0.01,
04/19 14Z,  -0.30,  -4.85,  99.90,  -5.17,  -0.01,
04/19 15Z,  -0.30,  -7.74,  99.90,  -8.05,  -0.01,
04/19 16Z,  -0.30, -10.59,  99.90, -10.90,  -0.01,
04/19 17Z,  -0.30, -12.71,  99.90, -13.02,  -0.01,
04/19 18Z,  -0.30, -13.58,  99.90, -13.89,  -0.01,  (min)
04/19 19Z,  -0.20, -13.11,  99.90, -13.32,  -0.01,
04/19 20Z,  -0.20, -11.57,  99.90, -11.78,  -0.01,
04/19 21Z,  -0.20,  -9.40,  99.90,  -9.61,  -0.01,
04/19 22Z,  -0.20,  -7.07,  99.90,  -7.28,  -0.01,
04/19 23Z,  -0.20,  -5.14,  99.90,  -5.35,  -0.01,
04/20 00Z,  -0.20,  -4.06,  99.90,  -4.28,  -0.01,
04/20 01Z,  -0.20,  -4.01,  99.90,  -4.22,  -0.01,  (max)
04/20 02Z,  -0.20,  -4.86,  99.90,  -5.07,  -0.01,
04/20 03Z,  -0.20,  -6.34,  99.90,  -6.55,  -0.01,
04/20 04Z,  -0.20,  -8.03,  99.90,  -8.24,  -0.01,
04/20 05Z,  -0.30,  -9.37,  99.90,  -9.68,  -0.01,
04/20 06Z,  -0.30,  -9.82,  99.90, -10.14,  -0.01,  (min)
04/20 07Z,  -0.30,  -9.17,  99.90,  -9.49,  -0.01,
04/20 08Z,  -0.30,  -7.61,  99.90,  -7.92,  -0.01,
04/20 09Z,  -0.20,  -5.53,  99.90,  -5.74,  -0.01,
04/20 10Z,  -0.20,  -3.40,  99.90,  -3.61,  -0.01,
04/20 11Z,  -0.20,  -1.73,  99.90,  -1.94,  -0.01,
04/20 12Z,  -0.20,  -1.01,  99.90,  -1.23,  -0.01,  (max)
04/20 13Z,  -0.20,  -1.51,  99.90,  -1.72,  -0.01,
04/20 14Z,  -0.20,  -3.13,  99.90,  -3.35,  -0.01,
04/20 15Z,  -0.20,  -5.57,  99.90,  -5.79,  -0.01,
04/20 16Z,  -0.30,  -8.40,  99.90,  -8.71,  -0.01,
04/20 17Z,  -0.30, -11.02,  99.90, -11.33,  -0.01,
04/20 18Z,  -0.30, -12.81,  99.90, -13.12,  -0.01,
04/20 19Z,  -0.30, -13.36,  99.90, -13.68,  -0.01,  (min)
04/20 20Z,  -0.40, -12.70,  99.90, -13.12,  -0.01,
04/20 21Z,  -0.30, -11.15,  99.90, -11.46,  -0.01,
04/20 22Z,  -0.20,  -9.10,  99.90,  -9.32,  -0.01,
04/20 23Z,  -0.20,  -7.01,  99.90,  -7.23,  -0.01,
04/21 00Z,  -0.20,  -5.36,  99.90,  -5.58,  -0.01,
04/21 01Z,  -0.20,  -4.53,  99.90,  -4.75,  -0.01,  (max)
04/21 02Z,  -0.20,  -4.61,  99.90,  -4.82,  -0.01,
04/21 03Z,  -0.30,  -5.43,  99.90,  -5.75,  -0.01,
04/21 04Z,  -0.30,  -6.74,  99.90,  -7.05,  -0.01,
04/21 05Z,  -0.40,  -8.14,  99.90,  -8.55,  -0.01,
04/21 06Z,  -0.40,  -9.12,  99.90,  -9.54,  -0.01,