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
Northwest
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 : 04/14/2026 12:21:12 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 12Z,  -0.20,   4.53,   3.74,  99.90,  -0.59,  (min)
04/12 13Z,  -0.20,   4.93,   4.04,  99.90,  -0.69,
04/12 14Z,  -0.20,   5.82,   4.77,  99.90,  -0.85,
04/12 15Z,  -0.30,   6.96,   5.77,  99.90,  -0.89,
04/12 16Z,  -0.30,   8.03,   6.73,  99.90,  -1.00,
04/12 17Z,  -0.30,   8.73,   7.39,  99.90,  -1.04,
04/12 18Z,  -0.10,   8.80,   7.44,  99.90,  -1.26,  (max)
04/12 19Z,  -0.10,   8.12,   6.87,  99.90,  -1.15,
04/12 20Z,  -0.10,   6.83,   5.64,  99.90,  -1.09,
04/12 21Z,  -0.10,   5.21,   4.18,  99.90,  -0.93,
04/12 22Z,  -0.10,   3.58,   2.56,  99.90,  -0.92,
04/12 23Z,  -0.10,   2.26,   1.32,  99.90,  -0.84,
04/13 00Z,   0.00,   1.58,   0.68,  99.90,  -0.90,  (min)
04/13 01Z,   0.00,   1.71,   0.74,  99.90,  -0.97,
04/13 02Z,   0.00,   2.64,   1.66,  99.90,  -0.98,
04/13 03Z,   0.00,   4.14,   3.10,  99.90,  -1.04,
04/13 04Z,   0.00,   5.86,   4.83,  99.90,  -1.03,
04/13 05Z,   0.00,   7.45,   6.40,  99.90,  -1.05,
04/13 06Z,   0.10,   8.55,   7.54,  99.90,  -1.11,
04/13 07Z,   0.10,   8.88,   8.00,  99.90,  -0.98,  (max)
04/13 08Z,   0.00,   8.39,   7.61,  99.90,  -0.78,
04/13 09Z,   0.00,   7.30,   6.65,  99.90,  -0.65,
04/13 10Z,   0.00,   5.90,   5.29,  99.90,  -0.61,
04/13 11Z,   0.00,   4.54,   4.04,  99.90,  -0.50,
04/13 12Z,   0.20,   3.62,   3.09,  99.90,  -0.73,
04/13 13Z,   0.20,   3.42,   2.83,  99.90,  -0.79,  (min)
04/13 14Z,   0.10,   4.03,   3.27,  99.90,  -0.86,
04/13 15Z,   0.10,   5.28,   4.38,  99.90,  -1.00,
04/13 16Z,   0.10,   6.84,   5.77,  99.90,  -1.17,
04/13 17Z,   0.10,   8.28,   7.17,  99.90,  -1.21,
04/13 18Z,   0.30,   9.23,   8.07,  99.90,  -1.46,
04/13 19Z,   0.20,   9.34,   8.21,  99.90,  -1.33,  (max)
04/13 20Z,   0.20,   8.53,   7.48,  99.90,  -1.25,
04/13 21Z,   0.20,   6.98,   5.95,  99.90,  -1.23,
04/13 22Z,   0.10,   5.05,   4.05,  99.90,  -1.10,
04/13 23Z,   0.10,   3.16,   2.17,  99.90,  -1.09,
04/14 00Z,   0.20,   1.76,   0.78,  99.90,  -1.18,
04/14 01Z,   0.10,   1.20,   0.18,  99.90,  -1.12,  (min)
04/14 02Z,   0.10,   1.65,   0.56,  99.90,  -1.19,
04/14 03Z,   0.00,   3.00,   1.81,  99.90,  -1.19,
04/14 04Z,   0.00,   4.93,   3.79,  99.90,  -1.14,
04/14 05Z,   0.00,   7.00,   5.86,  99.90,  -1.14,
04/14 06Z,   0.00,   8.73,   7.58,  99.90,  -1.15,
04/14 07Z,   0.00,   9.70,   8.63,  99.90,  -1.07,
04/14 08Z,   0.00,   9.64,   8.68,  99.90,  -0.96,  (max)
04/14 09Z,   0.00,   8.59,   7.76,  99.90,  -0.83,
04/14 10Z,   0.00,   6.87,   6.12,  99.90,  -0.75,
04/14 11Z,   0.00,   4.91,   4.24,  99.90,  -0.67,
04/14 12Z,   0.00,   3.20,   2.56,  99.90,  -0.64,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 13Z,   0.00,   2.22,  99.90,   1.55,  -0.67,
04/14 14Z,   0.00,   2.23,  99.90,   1.53,  -0.69,  (min)
04/14 15Z,   0.00,   3.24,  99.90,   2.52,  -0.72,
04/14 16Z,   0.00,   4.98,  99.90,   4.24,  -0.74,
04/14 17Z,  -0.10,   7.01,  99.90,   6.15,  -0.76,
04/14 18Z,  -0.10,   8.79,  99.90,   7.90,  -0.79,
04/14 19Z,  -0.20,   9.85,  99.90,   8.84,  -0.81,  (max)
04/14 20Z,  -0.20,   9.86,  99.90,   8.83,  -0.84,
04/14 21Z,  -0.20,   8.77,  99.90,   7.71,  -0.86,
04/14 22Z,  -0.10,   6.86,  99.90,   5.88,  -0.88,
04/14 23Z,  -0.10,   4.63,  99.90,   3.62,  -0.91,
04/15 00Z,  -0.20,   2.60,  99.90,   1.47,  -0.93,
04/15 01Z,  -0.10,   1.30,  99.90,   0.26,  -0.93,
04/15 02Z,  -0.10,   1.06,  99.90,   0.03,  -0.93,  (min)
04/15 03Z,  -0.10,   1.97,  99.90,   0.94,  -0.93,
04/15 04Z,  -0.10,   3.83,  99.90,   2.80,  -0.93,
04/15 05Z,  -0.20,   6.19,  99.90,   5.06,  -0.93,
04/15 06Z,  -0.10,   8.48,  99.90,   7.45,  -0.93,
04/15 07Z,  -0.10,  10.15,  99.90,   9.12,  -0.93,
04/15 08Z,  -0.10,  10.75,  99.90,   9.72,  -0.93,  (max)
04/15 09Z,  -0.20,  10.08,  99.90,   8.95,  -0.93,
04/15 10Z,  -0.20,   8.32,  99.90,   7.18,  -0.93,
04/15 11Z,  -0.20,   5.92,  99.90,   4.79,  -0.93,
04/15 12Z,  -0.20,   3.48,  99.90,   2.35,  -0.93,
04/15 13Z,  -0.20,   1.61,  99.90,   0.48,  -0.93,
04/15 14Z,  -0.30,   0.76,  99.90,  -0.47,  -0.93,  (min)
04/15 15Z,  -0.30,   1.16,  99.90,  -0.07,  -0.93,
04/15 16Z,  -0.30,   2.69,  99.90,   1.46,  -0.93,
04/15 17Z,  -0.30,   4.98,  99.90,   3.75,  -0.93,
04/15 18Z,  -0.30,   7.42,  99.90,   6.19,  -0.93,
04/15 19Z,  -0.20,   9.42,  99.90,   8.29,  -0.93,
04/15 20Z,  -0.20,  10.45,  99.90,   9.32,  -0.93,  (max)
04/15 21Z,  -0.20,  10.20,  99.90,   9.07,  -0.93,
04/15 22Z,  -0.20,   8.74,  99.90,   7.61,  -0.93,
04/15 23Z,  -0.20,   6.48,  99.90,   5.35,  -0.93,
04/16 00Z,  -0.20,   4.06,  99.90,   2.92,  -0.93,
04/16 01Z,  -0.20,   2.08,  99.90,   0.94,  -0.93,
04/16 02Z,  -0.20,   1.06,  99.90,  -0.07,  -0.93,  (min)
04/16 03Z,  -0.30,   1.29,  99.90,   0.05,  -0.93,
04/16 04Z,  -0.40,   2.74,  99.90,   1.41,  -0.93,
04/16 05Z,  -0.40,   5.08,  99.90,   3.75,  -0.93,
04/16 06Z,  -0.40,   7.74,  99.90,   6.41,  -0.93,
04/16 07Z,  -0.40,  10.05,  99.90,   8.72,  -0.93,
04/16 08Z,  -0.40,  11.44,  99.90,  10.11,  -0.93,
04/16 09Z,  -0.40,  11.47,  99.90,  10.14,  -0.93,  (max)
04/16 10Z,  -0.40,  10.05,  99.90,   8.72,  -0.93,
04/16 11Z,  -0.40,   7.54,  99.90,   6.20,  -0.93,
04/16 12Z,  -0.30,   4.57,  99.90,   3.33,  -0.93,
04/16 13Z,  -0.30,   1.85,  99.90,   0.62,  -0.93,
04/16 14Z,  -0.40,   0.02,  99.90,  -1.31,  -0.93,
04/16 15Z,  -0.40,  -0.50,  99.90,  -1.84,  -0.93,  (min)
04/16 16Z,  -0.40,   0.39,  99.90,  -0.94,  -0.93,
04/16 17Z,  -0.50,   2.49,  99.90,   1.05,  -0.93,
04/16 18Z,  -0.40,   5.24,  99.90,   3.91,  -0.93,
04/16 19Z,  -0.40,   7.96,  99.90,   6.63,  -0.93,
04/16 20Z,  -0.40,  10.00,  99.90,   8.67,  -0.93,
04/16 21Z,  -0.40,  10.85,  99.90,   9.52,  -0.93,  (max)
04/16 22Z,  -0.40,  10.25,  99.90,   8.92,  -0.93,
04/16 23Z,  -0.40,   8.42,  99.90,   7.09,  -0.93,
04/17 00Z,  -0.40,   5.93,  99.90,   4.60,  -0.93,
04/17 01Z,  -0.30,   3.50,  99.90,   2.26,  -0.93,
04/17 02Z,  -0.40,   1.75,  99.90,   0.42,  -0.93,
04/17 03Z,  -0.40,   1.16,  99.90,  -0.17,  -0.93,  (min)
04/17 04Z,  -0.40,   1.92,  99.90,   0.59,  -0.93,
04/17 05Z,  -0.50,   3.88,  99.90,   2.45,  -0.93,
04/17 06Z,  -0.50,   6.58,  99.90,   5.15,  -0.93,
04/17 07Z,  -0.40,   9.34,  99.90,   8.01,  -0.93,
04/17 08Z,  -0.40,  11.47,  99.90,  10.13,  -0.93,
04/17 09Z,  -0.40,  12.37,  99.90,  11.04,  -0.93,  (max)
04/17 10Z,  -0.30,  11.71,  99.90,  10.48,  -0.93,
04/17 11Z,  -0.30,   9.53,  99.90,   8.30,  -0.93,
04/17 12Z,  -0.30,   6.40,  99.90,   5.16,  -0.93,
04/17 13Z,  -0.30,   3.07,  99.90,   1.84,  -0.93,
04/17 14Z,  -0.40,   0.31,  99.90,  -1.02,  -0.93,
04/17 15Z,  -0.40,  -1.29,  99.90,  -2.62,  -0.93,
04/17 16Z,  -0.50,  -1.38,  99.90,  -2.81,  -0.93,  (min)
04/17 17Z,  -0.50,   0.03,  99.90,  -1.40,  -0.93,
04/17 18Z,  -0.50,   2.59,  99.90,   1.16,  -0.93,
04/17 19Z,  -0.40,   5.65,  99.90,   4.32,  -0.93,
04/17 20Z,  -0.40,   8.47,  99.90,   7.14,  -0.93,
04/17 21Z,  -0.40,  10.39,  99.90,   9.06,  -0.93,
04/17 22Z,  -0.40,  10.93,  99.90,   9.60,  -0.93,  (max)
04/17 23Z,  -0.30,   9.97,  99.90,   8.74,  -0.93,
04/18 00Z,  -0.30,   7.87,  99.90,   6.64,  -0.93,