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
#Adak Island, AK : 05/18/2026 15:21:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 00Z,  -0.10,   0.05,   0.53,  99.90,   0.58,
05/17 01Z,  -0.10,   0.78,   1.20,  99.90,   0.52,
05/17 02Z,  -0.10,   1.49,   1.92,  99.90,   0.53,
05/17 03Z,  -0.10,   2.11,   2.55,  99.90,   0.54,
05/17 04Z,  -0.10,   2.60,   3.16,  99.90,   0.66,
05/17 05Z,  -0.10,   2.98,   3.49,  99.90,   0.61,
05/17 06Z,   0.00,   3.26,   3.80,  99.90,   0.54,
05/17 07Z,   0.00,   3.48,   4.10,  99.90,   0.62,
05/17 08Z,   0.00,   3.70,   4.34,  99.90,   0.64,
05/17 09Z,   0.00,   3.92,   4.51,  99.90,   0.59,
05/17 10Z,   0.00,   4.15,   4.70,  99.90,   0.55,
05/17 11Z,   0.00,   4.33,   4.92,  99.90,   0.59,
05/17 12Z,   0.00,   4.41,   4.96,  99.90,   0.55,  (max)
05/17 13Z,  -0.10,   4.32,   4.87,  99.90,   0.65,
05/17 14Z,  -0.10,   4.01,   4.54,  99.90,   0.63,
05/17 15Z,  -0.10,   3.43,   3.99,  99.90,   0.66,
05/17 16Z,  -0.10,   2.61,   3.12,  99.90,   0.61,
05/17 17Z,   0.00,   1.62,   2.12,  99.90,   0.50,
05/17 18Z,   0.00,   0.57,   1.09,  99.90,   0.52,
05/17 19Z,   0.00,  -0.40,   0.14,  99.90,   0.54,
05/17 20Z,  -0.10,  -1.17,  -0.68,  99.90,   0.59,
05/17 21Z,  -0.10,  -1.63,  -1.08,  99.90,   0.65,
05/17 22Z,  -0.10,  -1.72,  -1.14,  99.90,   0.68,  (min)
05/17 23Z,  -0.10,  -1.45,  -0.91,  99.90,   0.64,
05/18 00Z,  -0.10,  -0.88,  -0.30,  99.90,   0.68,
05/18 01Z,  -0.10,  -0.11,   0.44,  99.90,   0.65,
05/18 02Z,  -0.10,   0.74,   1.21,  99.90,   0.57,
05/18 03Z,  -0.10,   1.57,   2.17,  99.90,   0.70,
05/18 04Z,  -0.10,   2.30,   2.90,  99.90,   0.70,
05/18 05Z,  -0.10,   2.87,   3.53,  99.90,   0.76,
05/18 06Z,  -0.10,   3.28,   3.93,  99.90,   0.75,
05/18 07Z,  -0.10,   3.58,   4.27,  99.90,   0.79,
05/18 08Z,  -0.10,   3.79,   4.49,  99.90,   0.80,
05/18 09Z,  -0.10,   3.98,   4.72,  99.90,   0.84,
05/18 10Z,   0.00,   4.16,   4.91,  99.90,   0.75,
05/18 11Z,   0.00,   4.35,   5.02,  99.90,   0.67,
05/18 12Z,   0.00,   4.49,   5.16,  99.90,   0.67,
05/18 13Z,   0.00,   4.53,   5.19,  99.90,   0.66,  (max)
05/18 14Z,   0.00,   4.40,   5.05,  99.90,   0.65,
05/18 15Z,   0.00,   4.03,   4.74,  99.90,   0.71,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 16Z,   0.00,   3.40,  99.90,   4.09,   0.69,
05/18 17Z,   0.00,   2.52,  99.90,   3.19,   0.67,
05/18 18Z,   0.00,   1.46,  99.90,   2.11,   0.65,
05/18 19Z,   0.00,   0.36,  99.90,   0.98,   0.63,
05/18 20Z,   0.00,  -0.66,  99.90,  -0.06,   0.61,
05/18 21Z,   0.00,  -1.45,  99.90,  -0.87,   0.58,
05/18 22Z,   0.00,  -1.90,  99.90,  -1.34,   0.56,
05/18 23Z,   0.00,  -1.96,  99.90,  -1.42,   0.54,  (min)
05/19 00Z,   0.00,  -1.63,  99.90,  -1.11,   0.52,
05/19 01Z,   0.00,  -0.98,  99.90,  -0.48,   0.50,
05/19 02Z,   0.00,  -0.12,  99.90,   0.36,   0.48,
05/19 03Z,   0.00,   0.82,  99.90,   1.28,   0.46,
05/19 04Z,   0.00,   1.72,  99.90,   2.18,   0.46,
05/19 05Z,   0.00,   2.49,  99.90,   2.95,   0.46,
05/19 06Z,   0.00,   3.08,  99.90,   3.54,   0.46,
05/19 07Z,   0.00,   3.49,  99.90,   3.95,   0.46,
05/19 08Z,   0.00,   3.75,  99.90,   4.21,   0.46,
05/19 09Z,   0.00,   3.92,  99.90,   4.37,   0.46,
05/19 10Z,   0.00,   4.05,  99.90,   4.51,   0.46,
05/19 11Z,   0.00,   4.18,  99.90,   4.64,   0.46,
05/19 12Z,  -0.10,   4.32,  99.90,   4.68,   0.46,
05/19 13Z,   0.00,   4.44,  99.90,   4.90,   0.46,
05/19 14Z,   0.00,   4.47,  99.90,   4.92,   0.46,  (max)
05/19 15Z,   0.00,   4.33,  99.90,   4.79,   0.46,
05/19 16Z,   0.00,   3.96,  99.90,   4.42,   0.46,
05/19 17Z,   0.00,   3.33,  99.90,   3.78,   0.46,
05/19 18Z,   0.00,   2.44,  99.90,   2.90,   0.46,
05/19 19Z,   0.00,   1.38,  99.90,   1.84,   0.46,
05/19 20Z,   0.00,   0.27,  99.90,   0.73,   0.46,
05/19 21Z,  -0.10,  -0.75,  99.90,  -0.39,   0.46,
05/19 22Z,  -0.10,  -1.53,  99.90,  -1.17,   0.46,
05/19 23Z,   0.00,  -1.96,  99.90,  -1.50,   0.46,
05/20 00Z,   0.00,  -1.98,  99.90,  -1.52,   0.46,  (min)
05/20 01Z,   0.00,  -1.59,  99.90,  -1.14,   0.46,
05/20 02Z,   0.00,  -0.89,  99.90,  -0.43,   0.46,
05/20 03Z,   0.00,   0.03,  99.90,   0.49,   0.46,
05/20 04Z,   0.00,   1.01,  99.90,   1.47,   0.46,
05/20 05Z,   0.00,   1.93,  99.90,   2.39,   0.46,
05/20 06Z,   0.00,   2.70,  99.90,   3.15,   0.46,
05/20 07Z,   0.00,   3.25,  99.90,   3.71,   0.46,
05/20 08Z,   0.00,   3.60,  99.90,   4.06,   0.46,
05/20 09Z,   0.10,   3.78,  99.90,   4.34,   0.46,
05/20 10Z,   0.20,   3.87,  99.90,   4.52,   0.46,
05/20 11Z,   0.30,   3.92,  99.90,   4.68,   0.46,
05/20 12Z,   0.40,   3.99,  99.90,   4.85,   0.46,
05/20 13Z,   0.50,   4.10,  99.90,   5.05,   0.46,
05/20 14Z,   0.50,   4.20,  99.90,   5.16,   0.46,
05/20 15Z,   0.60,   4.24,  99.90,   5.29,   0.46,  (max)
05/20 16Z,   0.60,   4.13,  99.90,   5.18,   0.46,
05/20 17Z,   0.60,   3.80,  99.90,   4.85,   0.46,
05/20 18Z,   0.60,   3.21,  99.90,   4.26,   0.46,
05/20 19Z,   0.60,   2.37,  99.90,   3.43,   0.46,
05/20 20Z,   0.60,   1.36,  99.90,   2.41,   0.46,
05/20 21Z,   0.60,   0.29,  99.90,   1.34,   0.46,
05/20 22Z,   0.50,  -0.69,  99.90,   0.27,   0.46,
05/20 23Z,   0.40,  -1.42,  99.90,  -0.56,   0.46,
05/21 00Z,   0.40,  -1.80,  99.90,  -0.94,   0.46,  (min)
05/21 01Z,   0.40,  -1.77,  99.90,  -0.91,   0.46,
05/21 02Z,   0.40,  -1.34,  99.90,  -0.48,   0.46,
05/21 03Z,   0.30,  -0.60,  99.90,   0.16,   0.46,
05/21 04Z,   0.20,   0.33,  99.90,   0.99,   0.46,
05/21 05Z,   0.10,   1.31,  99.90,   1.86,   0.46,
05/21 06Z,   0.00,   2.19,  99.90,   2.65,   0.46,
05/21 07Z,   0.00,   2.90,  99.90,   3.35,   0.46,
05/21 08Z,   0.00,   3.37,  99.90,   3.82,   0.46,
05/21 09Z,   0.00,   3.61,  99.90,   4.07,   0.46,  (max)
05/21 10Z,  -0.10,   3.69,  99.90,   4.04,   0.46,
05/21 11Z,  -0.20,   3.66,  99.90,   3.92,   0.46,
05/21 12Z,  -0.20,   3.63,  99.90,   3.88,   0.46,
05/21 13Z,  -0.30,   3.63,  99.90,   3.79,   0.46,  (min)
05/21 14Z,  -0.30,   3.70,  99.90,   3.85,   0.46,
05/21 15Z,  -0.30,   3.79,  99.90,   3.95,   0.46,  (max)
05/21 16Z,  -0.40,   3.85,  99.90,   3.91,   0.46,
05/21 17Z,  -0.40,   3.79,  99.90,   3.85,   0.46,
05/21 18Z,  -0.40,   3.53,  99.90,   3.59,   0.46,
05/21 19Z,  -0.50,   3.02,  99.90,   2.98,   0.46,
05/21 20Z,  -0.50,   2.28,  99.90,   2.23,   0.46,
05/21 21Z,  -0.50,   1.36,  99.90,   1.31,   0.46,
05/21 22Z,  -0.60,   0.39,  99.90,   0.24,   0.46,
05/21 23Z,  -0.60,  -0.49,  99.90,  -0.64,   0.46,
05/22 00Z,  -0.60,  -1.14,  99.90,  -1.28,   0.46,
05/22 01Z,  -0.60,  -1.44,  99.90,  -1.58,   0.46,  (min)
05/22 02Z,  -0.60,  -1.35,  99.90,  -1.49,   0.46,
05/22 03Z,  -0.70,  -0.89,  99.90,  -1.13,   0.46,
05/22 04Z,  -0.70,  -0.14,  99.90,  -0.38,   0.46,
05/22 05Z,  -0.70,   0.77,  99.90,   0.53,   0.46,
05/22 06Z,  -0.70,   1.69,  99.90,   1.45,   0.46,
05/22 07Z,  99.90,   2.50,  99.90,  99.90,   0.46,
05/22 08Z,  99.90,   3.09,  99.90,  99.90,   0.46,
05/22 09Z,  99.90,   3.44,  99.90,  99.90,   0.46,
05/22 10Z,  99.90,   3.55,  99.90,  99.90,   0.46,
05/22 11Z,  99.90,   3.48,  99.90,  99.90,   0.46,
05/22 12Z,  99.90,   3.34,  99.90,  99.90,   0.46,