EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
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Gulf
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Alaska
Gulf of Alaska
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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
#Elfin Cove, AK : 04/19/2026 02:22:58 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 06Z,  -0.40,  -4.45,  -6.10,  99.90,  -1.25,
04/17 07Z,  -0.40,  -1.69,  -3.22,  99.90,  -1.13,
04/17 08Z,  -0.50,   0.44,  -1.15,  99.90,  -1.09,
04/17 09Z,  -0.40,   1.34,  -0.07,  99.90,  -1.01,  (max)
04/17 10Z,  -0.40,   0.68,  -0.74,  99.90,  -1.02,
04/17 11Z,  -0.40,  -1.50,  -2.95,  99.90,  -1.05,
04/17 12Z,  -0.50,  -4.63,  -6.16,  99.90,  -1.03,
04/17 13Z,  -0.50,  -7.96,  -9.40,  99.90,  -0.94,
04/17 14Z,  -0.50, -10.72, -12.17,  99.90,  -0.95,
04/17 15Z,  -0.50, -12.32, -13.85,  99.90,  -1.03,
04/17 16Z,  -0.60, -12.41, -14.00,  99.90,  -0.99,  (min)
04/17 17Z,  -0.50, -11.00, -12.56,  99.90,  -1.06,
04/17 18Z,  -0.50,  -8.44, -10.03,  99.90,  -1.09,
04/17 19Z,  -0.50,  -5.38,  -6.99,  99.90,  -1.11,
04/17 20Z,  -0.50,  -2.56,  -4.24,  99.90,  -1.18,
04/17 21Z,  -0.50,  -0.64,  -2.36,  99.90,  -1.22,
04/17 22Z,  -0.50,  -0.10,  -1.80,  99.90,  -1.20,  (max)
04/17 23Z,  -0.40,  -1.06,  -2.72,  99.90,  -1.26,
04/18 00Z,  -0.40,  -3.16,  -4.80,  99.90,  -1.24,
04/18 01Z,  -0.40,  -5.69,  -7.31,  99.90,  -1.22,
04/18 02Z,  -0.50,  -7.94,  -9.47,  99.90,  -1.03,
04/18 03Z,  -0.50,  -9.31, -10.74,  99.90,  -0.93,
04/18 04Z,  -0.50,  -9.41, -10.85,  99.90,  -0.94,  (min)
04/18 05Z,  -0.50,  -8.15,  -9.56,  99.90,  -0.91,
04/18 06Z,  -0.40,  -5.82,  -7.07,  99.90,  -0.85,
04/18 07Z,  -0.40,  -2.96,  -4.16,  99.90,  -0.80,
04/18 08Z,  -0.40,  -0.30,  -1.46,  99.90,  -0.76,
04/18 09Z,  -0.50,   1.46,   0.29,  99.90,  -0.67,
04/18 10Z,  -0.50,   1.77,   0.66,  99.90,  -0.61,  (max)
04/18 11Z,  -0.40,   0.41,  -0.73,  99.90,  -0.74,
04/18 12Z,  -0.40,  -2.37,  -3.71,  99.90,  -0.94,
04/18 13Z,  -0.40,  -5.89,  -7.25,  99.90,  -0.96,
04/18 14Z,  -0.40,  -9.31, -10.63,  99.90,  -0.92,
04/18 15Z,  -0.50, -11.91, -13.16,  99.90,  -0.75,
04/18 16Z,  -0.40, -13.15, -14.49,  99.90,  -0.94,  (min)
04/18 17Z,  -0.40, -12.79, -14.08,  99.90,  -0.89,
04/18 18Z,  -0.40, -10.96, -12.23,  99.90,  -0.87,
04/18 19Z,  -0.40,  -8.11,  -9.34,  99.90,  -0.83,
04/18 20Z,  -0.40,  -4.95,  -6.24,  99.90,  -0.89,
04/18 21Z,  -0.40,  -2.22,  -3.58,  99.90,  -0.96,
04/18 22Z,  -0.30,  -0.57,  -1.94,  99.90,  -1.07,
04/18 23Z,  -0.30,  -0.38,  -1.77,  99.90,  -1.09,  (max)
04/19 00Z,  -0.30,  -1.61,  -2.96,  99.90,  -1.05,
04/19 01Z,  -0.30,  -3.78,  -5.19,  99.90,  -1.11,
04/19 02Z,  -0.20,  -6.17,  -7.48,  99.90,  -1.11,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 03Z,  -0.20,  -8.09,  99.90,  -9.40,  -1.11,
04/19 04Z,  -0.10,  -9.02,  99.90, -10.23,  -1.11,  (min)
04/19 05Z,  -0.20,  -8.66,  99.90,  -9.97,  -1.11,
04/19 06Z,  -0.20,  -7.04,  99.90,  -8.35,  -1.11,
04/19 07Z,  -0.20,  -4.52,  99.90,  -5.83,  -1.11,
04/19 08Z,  -0.10,  -1.71,  99.90,  -2.92,  -1.11,
04/19 09Z,  -0.10,   0.67,  99.90,  -0.54,  -1.11,
04/19 10Z,  -0.20,   1.94,  99.90,   0.63,  -1.11,  (max)
04/19 11Z,  -0.10,   1.66,  99.90,   0.45,  -1.11,
04/19 12Z,  -0.20,  -0.24,  99.90,  -1.56,  -1.11,
04/19 13Z,  -0.10,  -3.38,  99.90,  -4.59,  -1.11,
04/19 14Z,  -0.10,  -6.99,  99.90,  -8.21,  -1.11,
04/19 15Z,  -0.10, -10.28,  99.90, -11.50,  -1.11,
04/19 16Z,  -0.10, -12.57,  99.90, -13.79,  -1.11,
04/19 17Z,  -0.10, -13.42,  99.90, -14.63,  -1.11,  (min)
04/19 18Z,  -0.10, -12.70,  99.90, -13.91,  -1.11,
04/19 19Z,  -0.10, -10.61,  99.90, -11.83,  -1.11,
04/19 20Z,  -0.20,  -7.68,  99.90,  -9.00,  -1.11,
04/19 21Z,  -0.20,  -4.62,  99.90,  -5.94,  -1.11,
04/19 22Z,  -0.10,  -2.16,  99.90,  -3.37,  -1.11,
04/19 23Z,  -0.20,  -0.84,  99.90,  -2.15,  -1.11,  (max)
04/20 00Z,  -0.20,  -0.93,  99.90,  -2.24,  -1.11,
04/20 01Z,  -0.10,  -2.28,  99.90,  -3.49,  -1.11,
04/20 02Z,  -0.10,  -4.34,  99.90,  -5.56,  -1.11,
04/20 03Z,  -0.10,  -6.44,  99.90,  -7.66,  -1.11,
04/20 04Z,  -0.10,  -7.96,  99.90,  -9.17,  -1.11,
04/20 05Z,   0.00,  -8.47,  99.90,  -9.58,  -1.11,  (min)
04/20 06Z,   0.00,  -7.78,  99.90,  -8.89,  -1.11,
04/20 07Z,   0.00,  -5.99,  99.90,  -7.10,  -1.11,
04/20 08Z,   0.00,  -3.49,  99.90,  -4.60,  -1.11,
04/20 09Z,   0.00,  -0.90,  99.90,  -2.01,  -1.11,
04/20 10Z,   0.00,   1.08,  99.90,  -0.04,  -1.11,
04/20 11Z,   0.00,   1.86,  99.90,   0.74,  -1.11,  (max)
04/20 12Z,   0.00,   1.12,  99.90,   0.01,  -1.11,
04/20 13Z,  -0.10,  -1.08,  99.90,  -2.30,  -1.11,
04/20 14Z,  -0.10,  -4.28,  99.90,  -5.50,  -1.11,
04/20 15Z,  -0.10,  -7.74,  99.90,  -8.96,  -1.11,
04/20 16Z,  -0.20, -10.72,  99.90, -12.04,  -1.11,
04/20 17Z,  -0.20, -12.65,  99.90, -13.96,  -1.11,
04/20 18Z,  -0.10, -13.17,  99.90, -14.39,  -1.11,  (min)
04/20 19Z,  -0.10, -12.24,  99.90, -13.45,  -1.11,
04/20 20Z,  -0.10, -10.11,  99.90, -11.32,  -1.11,
04/20 21Z,   0.00,  -7.30,  99.90,  -8.41,  -1.11,
04/20 22Z,  -0.10,  -4.52,  99.90,  -5.73,  -1.11,
04/20 23Z,  -0.10,  -2.40,  99.90,  -3.61,  -1.11,
04/21 00Z,  -0.10,  -1.37,  99.90,  -2.59,  -1.11,  (max)
04/21 01Z,  -0.10,  -1.60,  99.90,  -2.82,  -1.11,
04/21 02Z,  -0.20,  -2.89,  99.90,  -4.20,  -1.11,
04/21 03Z,  -0.20,  -4.70,  99.90,  -6.02,  -1.11,
04/21 04Z,  -0.20,  -6.43,  99.90,  -7.74,  -1.11,
04/21 05Z,  -0.20,  -7.57,  99.90,  -8.88,  -1.11,
04/21 06Z,  -0.20,  -7.78,  99.90,  -9.09,  -1.11,  (min)
04/21 07Z,  -0.20,  -6.94,  99.90,  -8.25,  -1.11,
04/21 08Z,  -0.20,  -5.17,  99.90,  -6.49,  -1.11,
04/21 09Z,  -0.20,  -2.88,  99.90,  -4.19,  -1.11,
04/21 10Z,  -0.10,  -0.65,  99.90,  -1.86,  -1.11,
04/21 11Z,  -0.10,   0.90,  99.90,  -0.32,  -1.11,
04/21 12Z,  -0.10,   1.30,  99.90,   0.08,  -1.11,  (max)
04/21 13Z,  -0.10,   0.33,  99.90,  -0.88,  -1.11,
04/21 14Z,  -0.20,  -1.89,  99.90,  -3.21,  -1.11,
04/21 15Z,  -0.20,  -4.91,  99.90,  -6.22,  -1.11,
04/21 16Z,  -0.20,  -8.03,  99.90,  -9.34,  -1.11,
04/21 17Z,  -0.30, -10.63,  99.90, -12.04,  -1.11,
04/21 18Z,  -0.30, -12.23,  99.90, -13.64,  -1.11,
04/21 19Z,  -0.30, -12.56,  99.90, -13.97,  -1.11,  (min)
04/21 20Z,  -0.30, -11.59,  99.90, -13.00,  -1.11,
04/21 21Z,  -0.30,  -9.59,  99.90, -11.00,  -1.11,
04/21 22Z,  -0.30,  -7.07,  99.90,  -8.49,  -1.11,
04/21 23Z,  -0.20,  -4.65,  99.90,  -5.97,  -1.11,
04/22 00Z,  -0.20,  -2.84,  99.90,  -4.16,  -1.11,
04/22 01Z,  -0.10,  -1.99,  99.90,  -3.20,  -1.11,  (max)
04/22 02Z,  -0.20,  -2.20,  99.90,  -3.52,  -1.11,
04/22 03Z,  -0.30,  -3.28,  99.90,  -4.70,  -1.11,
04/22 04Z,  -0.30,  -4.77,  99.90,  -6.18,  -1.11,
04/22 05Z,  -0.40,  -6.14,  99.90,  -7.66,  -1.11,
04/22 06Z,  -0.40,  -7.02,  99.90,  -8.53,  -1.11,
04/22 07Z,  -0.40,  -7.11,  99.90,  -8.62,  -1.11,  (min)
04/22 08Z,  -0.40,  -6.31,  99.90,  -7.83,  -1.11,
04/22 09Z,  -0.40,  -4.75,  99.90,  -6.26,  -1.11,
04/22 10Z,  -0.40,  -2.79,  99.90,  -4.31,  -1.11,
04/22 11Z,  -0.50,  -0.97,  99.90,  -2.58,  -1.11,
04/22 12Z,  -0.50,   0.23,  99.90,  -1.38,  -1.11,
04/22 13Z,  -0.60,   0.45,  99.90,  -1.27,  -1.11,  (max)
04/22 14Z,  -0.60,  -0.50,  99.90,  -2.22,  -1.11,
04/22 15Z,  -0.60,  -2.52,  99.90,  -4.23,  -1.11,
04/22 16Z,  -0.70,  -5.16,  99.90,  -6.98,  -1.11,
04/22 17Z,  -0.70,  -7.87,  99.90,  -9.68,  -1.11,
04/22 18Z,  -0.70, -10.11,  99.90, -11.93,  -1.11,