EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Northeast
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Alaska
Gulf of Alaska
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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
#North Spit, CA : 04/18/2026 18:21:12 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 00Z,   0.20,   1.30,   1.78,  99.90,   0.28,
04/17 01Z,   0.20,   1.18,   1.60,  99.90,   0.22,  (min)
04/17 02Z,   0.20,   1.86,   2.29,  99.90,   0.23,
04/17 03Z,   0.20,   3.12,   3.57,  99.90,   0.25,
04/17 04Z,   0.20,   4.60,   5.00,  99.90,   0.20,
04/17 05Z,   0.20,   5.96,   6.32,  99.90,   0.16,
04/17 06Z,   0.10,   6.90,   7.34,  99.90,   0.34,
04/17 07Z,   0.10,   7.19,   7.73,  99.90,   0.44,  (max)
04/17 08Z,   0.10,   6.67,   7.22,  99.90,   0.45,
04/17 09Z,   0.20,   5.38,   6.01,  99.90,   0.43,
04/17 10Z,   0.20,   3.60,   4.34,  99.90,   0.54,
04/17 11Z,   0.20,   1.72,   2.58,  99.90,   0.66,
04/17 12Z,   0.10,   0.15,   0.92,  99.90,   0.67,
04/17 13Z,   0.10,  -0.74,  -0.10,  99.90,   0.54,
04/17 14Z,   0.10,  -0.69,  -0.20,  99.90,   0.39,  (min)
04/17 15Z,   0.10,   0.22,   0.84,  99.90,   0.52,
04/17 16Z,   0.10,   1.67,   2.18,  99.90,   0.41,
04/17 17Z,   0.10,   3.26,   3.76,  99.90,   0.40,
04/17 18Z,   0.20,   4.67,   5.14,  99.90,   0.27,
04/17 19Z,   0.20,   5.62,   6.07,  99.90,   0.25,
04/17 20Z,   0.20,   5.90,   6.47,  99.90,   0.37,  (max)
04/17 21Z,   0.20,   5.44,   6.04,  99.90,   0.40,
04/17 22Z,   0.20,   4.44,   5.03,  99.90,   0.39,
04/17 23Z,   0.20,   3.22,   3.90,  99.90,   0.48,
04/18 00Z,   0.30,   2.15,   2.84,  99.90,   0.39,
04/18 01Z,   0.30,   1.58,   2.22,  99.90,   0.34,  (min)
04/18 02Z,   0.30,   1.75,   2.41,  99.90,   0.36,
04/18 03Z,   0.30,   2.68,   3.42,  99.90,   0.44,
04/18 04Z,   0.30,   4.08,   4.79,  99.90,   0.41,
04/18 05Z,   0.30,   5.57,   6.21,  99.90,   0.34,
04/18 06Z,   0.30,   6.79,   7.46,  99.90,   0.37,
04/18 07Z,   0.30,   7.48,   8.26,  99.90,   0.48,  (max)
04/18 08Z,   0.30,   7.43,   8.24,  99.90,   0.51,
04/18 09Z,   0.40,   6.53,   7.25,  99.90,   0.32,
04/18 10Z,   0.40,   4.90,   5.65,  99.90,   0.35,
04/18 11Z,   0.40,   2.89,   3.78,  99.90,   0.49,
04/18 12Z,   0.40,   0.90,   1.86,  99.90,   0.56,
04/18 13Z,   0.40,  -0.63,   0.28,  99.90,   0.51,
04/18 14Z,   0.40,  -1.34,  -0.65,  99.90,   0.29,  (min)
04/18 15Z,   0.40,  -1.05,  -0.30,  99.90,   0.35,
04/18 16Z,   0.40,   0.07,   0.85,  99.90,   0.38,
04/18 17Z,   0.40,   1.64,   2.34,  99.90,   0.30,
04/18 18Z,   0.40,   3.28,   3.94,  99.90,   0.26,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 19Z,   0.40,   4.68,  99.90,   5.35,   0.27,
04/18 20Z,   0.40,   5.57,  99.90,   6.26,   0.29,
04/18 21Z,   0.40,   5.76,  99.90,   6.47,   0.30,  (max)
04/18 22Z,   0.50,   5.26,  99.90,   6.08,   0.32,
04/18 23Z,   0.50,   4.28,  99.90,   5.12,   0.34,
04/19 00Z,   0.50,   3.18,  99.90,   4.03,   0.35,
04/19 01Z,   0.60,   2.30,  99.90,   3.27,   0.37,
04/19 02Z,   0.60,   1.98,  99.90,   2.96,   0.39,  (min)
04/19 03Z,   0.60,   2.40,  99.90,   3.40,   0.40,
04/19 04Z,   0.60,   3.49,  99.90,   4.51,   0.42,
04/19 05Z,   0.60,   4.93,  99.90,   5.97,   0.43,
04/19 06Z,   0.60,   6.31,  99.90,   7.36,   0.45,
04/19 07Z,   0.50,   7.33,  99.90,   8.28,   0.45,
04/19 08Z,   0.60,   7.76,  99.90,   8.80,   0.45,  (max)
04/19 09Z,   0.60,   7.40,  99.90,   8.45,   0.45,
04/19 10Z,   0.60,   6.20,  99.90,   7.25,   0.45,
04/19 11Z,   0.60,   4.36,  99.90,   5.41,   0.45,
04/19 12Z,   0.70,   2.25,  99.90,   3.40,   0.45,
04/19 13Z,   0.70,   0.28,  99.90,   1.43,   0.45,
04/19 14Z,   0.70,  -1.11,  99.90,   0.04,   0.45,
04/19 15Z,   0.70,  -1.62,  99.90,  -0.47,   0.45,  (min)
04/19 16Z,   0.60,  -1.15,  99.90,  -0.10,   0.45,
04/19 17Z,   0.60,   0.08,  99.90,   1.13,   0.45,
04/19 18Z,   0.70,   1.68,  99.90,   2.83,   0.45,
04/19 19Z,   0.70,   3.28,  99.90,   4.43,   0.45,
04/19 20Z,   0.70,   4.60,  99.90,   5.75,   0.45,
04/19 21Z,   0.70,   5.41,  99.90,   6.56,   0.45,
04/19 22Z,   0.70,   5.54,  99.90,   6.69,   0.45,  (max)
04/19 23Z,   0.70,   5.04,  99.90,   6.19,   0.45,
04/20 00Z,   0.70,   4.15,  99.90,   5.30,   0.45,
04/20 01Z,   0.70,   3.21,  99.90,   4.36,   0.45,
04/20 02Z,   0.80,   2.55,  99.90,   3.80,   0.45,
04/20 03Z,   0.70,   2.44,  99.90,   3.59,   0.45,  (min)
04/20 04Z,   0.70,   3.02,  99.90,   4.17,   0.45,
04/20 05Z,   0.70,   4.17,  99.90,   5.32,   0.45,
04/20 06Z,   0.60,   5.53,  99.90,   6.58,   0.45,
04/20 07Z,   0.60,   6.74,  99.90,   7.79,   0.45,
04/20 08Z,   0.70,   7.54,  99.90,   8.69,   0.45,
04/20 09Z,   0.70,   7.73,  99.90,   8.87,   0.45,  (max)
04/20 10Z,   0.60,   7.15,  99.90,   8.20,   0.45,
04/20 11Z,   0.70,   5.79,  99.90,   6.94,   0.45,
04/20 12Z,   0.70,   3.89,  99.90,   5.04,   0.45,
04/20 13Z,   0.70,   1.81,  99.90,   2.96,   0.45,
04/20 14Z,   0.70,  -0.04,  99.90,   1.11,   0.45,
04/20 15Z,   0.70,  -1.27,  99.90,  -0.12,   0.45,
04/20 16Z,   0.70,  -1.61,  99.90,  -0.46,   0.45,  (min)
04/20 17Z,   0.60,  -1.04,  99.90,   0.01,   0.45,
04/20 18Z,   0.60,   0.20,  99.90,   1.25,   0.45,
04/20 19Z,   0.60,   1.73,  99.90,   2.78,   0.45,
04/20 20Z,   0.60,   3.22,  99.90,   4.27,   0.45,
04/20 21Z,   0.60,   4.43,  99.90,   5.48,   0.45,
04/20 22Z,   0.70,   5.17,  99.90,   6.32,   0.45,
04/20 23Z,   0.60,   5.28,  99.90,   6.33,   0.45,  (max)
04/21 00Z,   0.60,   4.84,  99.90,   5.89,   0.45,
04/21 01Z,   0.70,   4.08,  99.90,   5.23,   0.45,
04/21 02Z,   0.70,   3.32,  99.90,   4.47,   0.45,
04/21 03Z,   0.70,   2.83,  99.90,   3.98,   0.45,
04/21 04Z,   0.60,   2.86,  99.90,   3.91,   0.45,  (min)
04/21 05Z,   0.60,   3.50,  99.90,   4.55,   0.45,
04/21 06Z,   0.60,   4.59,  99.90,   5.64,   0.45,
04/21 07Z,   0.60,   5.79,  99.90,   6.84,   0.45,
04/21 08Z,   0.60,   6.81,  99.90,   7.86,   0.45,
04/21 09Z,   0.60,   7.42,  99.90,   8.47,   0.45,
04/21 10Z,   0.60,   7.45,  99.90,   8.50,   0.45,  (max)
04/21 11Z,   0.60,   6.77,  99.90,   7.82,   0.45,
04/21 12Z,   0.60,   5.39,  99.90,   6.44,   0.45,
04/21 13Z,   0.60,   3.56,  99.90,   4.61,   0.45,
04/21 14Z,   0.60,   1.62,  99.90,   2.67,   0.45,
04/21 15Z,   0.70,  -0.06,  99.90,   1.09,   0.45,
04/21 16Z,   0.60,  -1.13,  99.90,  -0.08,   0.45,
04/21 17Z,   0.60,  -1.37,  99.90,  -0.32,   0.45,  (min)
04/21 18Z,   0.60,  -0.79,  99.90,   0.26,   0.45,
04/21 19Z,   0.60,   0.36,  99.90,   1.41,   0.45,
04/21 20Z,   0.60,   1.74,  99.90,   2.79,   0.45,
04/21 21Z,   0.70,   3.10,  99.90,   4.25,   0.45,
04/21 22Z,   0.70,   4.23,  99.90,   5.38,   0.45,
04/21 23Z,   0.60,   4.93,  99.90,   5.98,   0.45,
04/22 00Z,   0.60,   5.07,  99.90,   6.12,   0.45,  (max)
04/22 01Z,   0.70,   4.72,  99.90,   5.87,   0.45,
04/22 02Z,   0.70,   4.11,  99.90,   5.26,   0.45,
04/22 03Z,   0.60,   3.49,  99.90,   4.54,   0.45,
04/22 04Z,   0.60,   3.11,  99.90,   4.16,   0.45,  (min)
04/22 05Z,   0.60,   3.18,  99.90,   4.23,   0.45,
04/22 06Z,   0.60,   3.75,  99.90,   4.80,   0.45,
04/22 07Z,   0.50,   4.69,  99.90,   5.64,   0.45,
04/22 08Z,   0.50,   5.71,  99.90,   6.66,   0.45,
04/22 09Z,   0.50,   6.55,  99.90,   7.50,   0.45,
04/22 10Z,   0.50,   7.04,  99.90,   7.99,   0.45,  (max)
04/22 11Z,   0.50,   7.03,  99.90,   7.98,   0.45,
04/22 12Z,   0.50,   6.36,  99.90,   7.31,   0.45,