EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
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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
#Adak Island, AK : 05/16/2026 01:21:48 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/14 06Z,  -0.40,   2.11,   1.64,  99.90,  -0.07,
05/14 07Z,  -0.50,   2.38,   1.88,  99.90,  -0.00,
05/14 08Z,  -0.50,   2.71,   2.24,  99.90,   0.03,
05/14 09Z,  -0.50,   3.04,   2.58,  99.90,   0.04,
05/14 10Z,  -0.50,   3.29,   2.79,  99.90,   0.00,
05/14 11Z,  -0.50,   3.38,   2.87,  99.90,  -0.01,  (max)
05/14 12Z,  -0.50,   3.28,   2.85,  99.90,   0.07,
05/14 13Z,  -0.50,   2.96,   2.61,  99.90,   0.15,
05/14 14Z,  -0.50,   2.45,   2.17,  99.90,   0.22,
05/14 15Z,  -0.60,   1.84,   1.60,  99.90,   0.36,
05/14 16Z,  -0.60,   1.21,   1.07,  99.90,   0.46,
05/14 17Z,  -0.50,   0.66,   0.55,  99.90,   0.39,
05/14 18Z,  -0.50,   0.27,   0.21,  99.90,   0.44,
05/14 19Z,  -0.50,   0.11,   0.15,  99.90,   0.54,  (min)
05/14 20Z,  -0.50,   0.16,   0.26,  99.90,   0.60,
05/14 21Z,  -0.50,   0.41,   0.61,  99.90,   0.70,
05/14 22Z,  -0.40,   0.77,   0.98,  99.90,   0.61,
05/14 23Z,  -0.40,   1.17,   1.49,  99.90,   0.72,
05/15 00Z,  -0.40,   1.55,   1.87,  99.90,   0.72,
05/15 01Z,  -0.30,   1.86,   2.25,  99.90,   0.69,
05/15 02Z,  -0.20,   2.08,   2.55,  99.90,   0.67,
05/15 03Z,  -0.10,   2.22,   2.68,  99.90,   0.56,
05/15 04Z,   0.00,   2.33,   2.82,  99.90,   0.49,
05/15 05Z,   0.00,   2.45,   3.03,  99.90,   0.58,
05/15 06Z,  -0.10,   2.61,   3.22,  99.90,   0.71,
05/15 07Z,   0.00,   2.84,   3.49,  99.90,   0.65,
05/15 08Z,   0.00,   3.12,   3.68,  99.90,   0.56,
05/15 09Z,   0.00,   3.41,   3.98,  99.90,   0.57,
05/15 10Z,   0.00,   3.65,   4.17,  99.90,   0.52,
05/15 11Z,   0.00,   3.76,   4.30,  99.90,   0.54,  (max)
05/15 12Z,   0.00,   3.69,   4.21,  99.90,   0.52,
05/15 13Z,   0.00,   3.39,   3.90,  99.90,   0.51,
05/15 14Z,   0.00,   2.86,   3.38,  99.90,   0.52,
05/15 15Z,   0.00,   2.15,   2.69,  99.90,   0.54,
05/15 16Z,   0.00,   1.35,   1.92,  99.90,   0.57,
05/15 17Z,   0.00,   0.58,   1.05,  99.90,   0.47,
05/15 18Z,   0.00,  -0.07,   0.42,  99.90,   0.49,
05/15 19Z,   0.00,  -0.49,   0.00,  99.90,   0.49,
05/15 20Z,   0.00,  -0.64,  -0.13,  99.90,   0.51,  (min)
05/15 21Z,   0.00,  -0.51,  -0.07,  99.90,   0.44,
05/15 22Z,   0.00,  -0.16,   0.18,  99.90,   0.34,
05/15 23Z,   0.00,   0.35,   0.71,  99.90,   0.36,
05/16 00Z,   0.00,   0.92,   1.26,  99.90,   0.34,
05/16 01Z,   0.00,   1.48,   1.74,  99.90,   0.26,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 02Z,   0.00,   1.95,  99.90,   2.21,   0.25,
05/16 03Z,   0.00,   2.32,  99.90,   2.57,   0.24,
05/16 04Z,  -0.10,   2.60,  99.90,   2.74,   0.23,
05/16 05Z,  -0.10,   2.82,  99.90,   2.94,   0.22,
05/16 06Z,  -0.10,   3.02,  99.90,   3.13,   0.21,
05/16 07Z,  -0.10,   3.23,  99.90,   3.33,   0.20,
05/16 08Z,  -0.20,   3.47,  99.90,   3.46,   0.19,
05/16 09Z,  -0.20,   3.73,  99.90,   3.71,   0.18,
05/16 10Z,  -0.20,   3.96,  99.90,   3.93,   0.17,
05/16 11Z,  -0.20,   4.12,  99.90,   4.08,   0.16,  (max)
05/16 12Z,  -0.20,   4.11,  99.90,   4.06,   0.15,
05/16 13Z,  -0.20,   3.89,  99.90,   3.83,   0.14,
05/16 14Z,  -0.20,   3.43,  99.90,   3.37,   0.14,
05/16 15Z,  -0.20,   2.73,  99.90,   2.67,   0.14,
05/16 16Z,  -0.20,   1.86,  99.90,   1.80,   0.14,
05/16 17Z,  -0.20,   0.91,  99.90,   0.85,   0.14,
05/16 18Z,  -0.20,   0.02,  99.90,  -0.04,   0.14,
05/16 19Z,  -0.30,  -0.70,  99.90,  -0.86,   0.14,
05/16 20Z,  -0.30,  -1.15,  99.90,  -1.31,   0.14,
05/16 21Z,  -0.30,  -1.27,  99.90,  -1.43,   0.14,  (min)
05/16 22Z,  -0.30,  -1.07,  99.90,  -1.23,   0.14,
05/16 23Z,  -0.30,  -0.60,  99.90,  -0.76,   0.14,
05/17 00Z,  -0.30,   0.05,  99.90,  -0.11,   0.14,
05/17 01Z,  -0.30,   0.78,  99.90,   0.62,   0.14,
05/17 02Z,  -0.30,   1.49,  99.90,   1.32,   0.14,
05/17 03Z,  -0.30,   2.11,  99.90,   1.95,   0.14,
05/17 04Z,  -0.30,   2.60,  99.90,   2.44,   0.14,
05/17 05Z,  -0.30,   2.98,  99.90,   2.82,   0.14,
05/17 06Z,  -0.20,   3.26,  99.90,   3.20,   0.14,
05/17 07Z,  -0.20,   3.48,  99.90,   3.42,   0.14,
05/17 08Z,  -0.30,   3.70,  99.90,   3.54,   0.14,
05/17 09Z,  -0.30,   3.92,  99.90,   3.76,   0.14,
05/17 10Z,  -0.30,   4.15,  99.90,   3.98,   0.14,
05/17 11Z,  -0.30,   4.33,  99.90,   4.17,   0.14,
05/17 12Z,  -0.30,   4.41,  99.90,   4.25,   0.14,  (max)
05/17 13Z,  -0.30,   4.32,  99.90,   4.16,   0.14,
05/17 14Z,  -0.30,   4.01,  99.90,   3.84,   0.14,
05/17 15Z,  -0.30,   3.43,  99.90,   3.27,   0.14,
05/17 16Z,  -0.30,   2.61,  99.90,   2.45,   0.14,
05/17 17Z,  -0.30,   1.62,  99.90,   1.46,   0.14,
05/17 18Z,  -0.30,   0.57,  99.90,   0.41,   0.14,
05/17 19Z,  -0.30,  -0.40,  99.90,  -0.57,   0.14,
05/17 20Z,  -0.30,  -1.17,  99.90,  -1.33,   0.14,
05/17 21Z,  -0.30,  -1.63,  99.90,  -1.79,   0.14,
05/17 22Z,  -0.30,  -1.72,  99.90,  -1.88,   0.14,  (min)
05/17 23Z,  -0.30,  -1.45,  99.90,  -1.61,   0.14,
05/18 00Z,  -0.20,  -0.88,  99.90,  -0.94,   0.14,
05/18 01Z,  -0.20,  -0.11,  99.90,  -0.17,   0.14,
05/18 02Z,  -0.20,   0.74,  99.90,   0.68,   0.14,
05/18 03Z,  -0.20,   1.57,  99.90,   1.51,   0.14,
05/18 04Z,  -0.20,   2.30,  99.90,   2.23,   0.14,
05/18 05Z,  -0.20,   2.87,  99.90,   2.80,   0.14,
05/18 06Z,  -0.20,   3.28,  99.90,   3.22,   0.14,
05/18 07Z,  -0.10,   3.58,  99.90,   3.61,   0.14,
05/18 08Z,  -0.10,   3.79,  99.90,   3.83,   0.14,
05/18 09Z,  -0.10,   3.98,  99.90,   4.02,   0.14,
05/18 10Z,  -0.10,   4.16,  99.90,   4.20,   0.14,
05/18 11Z,  -0.10,   4.35,  99.90,   4.38,   0.14,
05/18 12Z,  -0.10,   4.49,  99.90,   4.53,   0.14,
05/18 13Z,  -0.10,   4.53,  99.90,   4.57,   0.14,  (max)
05/18 14Z,  -0.10,   4.40,  99.90,   4.43,   0.14,
05/18 15Z,  -0.10,   4.03,  99.90,   4.07,   0.14,
05/18 16Z,  -0.10,   3.40,  99.90,   3.43,   0.14,
05/18 17Z,   0.00,   2.52,  99.90,   2.66,   0.14,
05/18 18Z,   0.00,   1.46,  99.90,   1.60,   0.14,
05/18 19Z,   0.00,   0.36,  99.90,   0.50,   0.14,
05/18 20Z,   0.00,  -0.66,  99.90,  -0.52,   0.14,
05/18 21Z,   0.00,  -1.45,  99.90,  -1.31,   0.14,
05/18 22Z,   0.00,  -1.90,  99.90,  -1.77,   0.14,
05/18 23Z,   0.00,  -1.96,  99.90,  -1.82,   0.14,  (min)
05/19 00Z,   0.00,  -1.63,  99.90,  -1.49,   0.14,
05/19 01Z,   0.00,  -0.98,  99.90,  -0.84,   0.14,
05/19 02Z,   0.00,  -0.12,  99.90,   0.02,   0.14,
05/19 03Z,   0.00,   0.82,  99.90,   0.96,   0.14,
05/19 04Z,   0.00,   1.72,  99.90,   1.86,   0.14,
05/19 05Z,   0.00,   2.49,  99.90,   2.63,   0.14,
05/19 06Z,   0.00,   3.08,  99.90,   3.22,   0.14,
05/19 07Z,   0.00,   3.49,  99.90,   3.63,   0.14,
05/19 08Z,   0.00,   3.75,  99.90,   3.89,   0.14,
05/19 09Z,   0.00,   3.92,  99.90,   4.06,   0.14,
05/19 10Z,   0.00,   4.05,  99.90,   4.19,   0.14,
05/19 11Z,   0.00,   4.18,  99.90,   4.32,   0.14,
05/19 12Z,   0.00,   4.32,  99.90,   4.46,   0.14,
05/19 13Z,   0.00,   4.44,  99.90,   4.58,   0.14,
05/19 14Z,   0.00,   4.47,  99.90,   4.60,   0.14,  (max)
05/19 15Z,   0.00,   4.33,  99.90,   4.47,   0.14,
05/19 16Z,   0.00,   3.96,  99.90,   4.10,   0.14,
05/19 17Z,   0.00,   3.33,  99.90,   3.47,   0.14,
05/19 18Z,   0.00,   2.44,  99.90,   2.58,   0.14,