EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Alaska
Gulf of Alaska
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Sitka, AK
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Elfin Cove, AK
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Seldovia, AK
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Anchorage, AK
Kodiak Island, AK
Alitak, AK
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Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Sitka, AK : 04/11/2026 11:22:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/09 12Z,  -0.30,   7.89,   7.05,  99.90,  -0.54,
04/09 13Z,  -0.40,   8.26,   7.43,  99.90,  -0.43,  (max)
04/09 14Z,  -0.40,   8.16,   7.39,  99.90,  -0.37,
04/09 15Z,  -0.40,   7.54,   6.76,  99.90,  -0.38,
04/09 16Z,  -0.30,   6.48,   5.70,  99.90,  -0.48,
04/09 17Z,  -0.30,   5.16,   4.37,  99.90,  -0.49,
04/09 18Z,  -0.20,   3.82,   3.04,  99.90,  -0.58,
04/09 19Z,  -0.30,   2.69,   1.94,  99.90,  -0.45,
04/09 20Z,  -0.30,   1.97,   1.21,  99.90,  -0.46,
04/09 21Z,  -0.30,   1.77,   1.03,  99.90,  -0.44,  (min)
04/09 22Z,  -0.30,   2.09,   1.38,  99.90,  -0.41,
04/09 23Z,  -0.30,   2.82,   2.12,  99.90,  -0.40,
04/10 00Z,  -0.20,   3.79,   3.09,  99.90,  -0.50,
04/10 01Z,  -0.30,   4.79,   4.10,  99.90,  -0.39,
04/10 02Z,  -0.30,   5.63,   5.02,  99.90,  -0.31,
04/10 03Z,  -0.30,   6.15,   5.57,  99.90,  -0.28,
04/10 04Z,  -0.30,   6.33,   5.77,  99.90,  -0.26,  (max)
04/10 05Z,  -0.30,   6.21,   5.63,  99.90,  -0.28,
04/10 06Z,  -0.30,   5.89,   5.38,  99.90,  -0.21,
04/10 07Z,  -0.30,   5.55,   5.00,  99.90,  -0.25,
04/10 08Z,  -0.30,   5.33,   4.74,  99.90,  -0.29,  (min)
04/10 09Z,  -0.30,   5.35,   4.77,  99.90,  -0.28,
04/10 10Z,  -0.30,   5.64,   5.08,  99.90,  -0.26,
04/10 11Z,  -0.30,   6.16,   5.56,  99.90,  -0.30,
04/10 12Z,  -0.30,   6.78,   6.16,  99.90,  -0.32,
04/10 13Z,  -0.30,   7.35,   6.74,  99.90,  -0.31,
04/10 14Z,  -0.30,   7.68,   7.09,  99.90,  -0.29,  (max)
04/10 15Z,  -0.30,   7.66,   7.01,  99.90,  -0.35,
04/10 16Z,  -0.40,   7.21,   6.58,  99.90,  -0.23,
04/10 17Z,  -0.30,   6.37,   5.71,  99.90,  -0.36,
04/10 18Z,  -0.30,   5.26,   4.63,  99.90,  -0.33,
04/10 19Z,  -0.30,   4.06,   3.45,  99.90,  -0.31,
04/10 20Z,  -0.30,   2.97,   2.41,  99.90,  -0.26,
04/10 21Z,  -0.30,   2.20,   1.64,  99.90,  -0.26,
04/10 22Z,  -0.30,   1.87,   1.39,  99.90,  -0.18,  (min)
04/10 23Z,  -0.30,   2.03,   1.55,  99.90,  -0.18,
04/11 00Z,  -0.30,   2.64,   2.11,  99.90,  -0.23,
04/11 01Z,  -0.30,   3.55,   3.03,  99.90,  -0.22,
04/11 02Z,  -0.30,   4.58,   4.09,  99.90,  -0.19,
04/11 03Z,  -0.30,   5.52,   5.08,  99.90,  -0.14,
04/11 04Z,  -0.40,   6.22,   5.79,  99.90,  -0.03,
04/11 05Z,  -0.30,   6.56,   6.14,  99.90,  -0.12,  (max)
04/11 06Z,  -0.30,   6.55,   6.12,  99.90,  -0.13,
04/11 07Z,  -0.30,   6.25,   5.89,  99.90,  -0.06,
04/11 08Z,  -0.30,   5.82,   5.41,  99.90,  -0.11,
04/11 09Z,  -0.20,   5.41,   4.99,  99.90,  -0.22,
04/11 10Z,  -0.20,   5.19,   4.79,  99.90,  -0.20,  (min)
04/11 11Z,  -0.20,   5.24,   4.80,  99.90,  -0.24,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 12Z,  -0.20,   5.59,  99.90,   5.13,  -0.26,
04/11 13Z,  -0.20,   6.14,  99.90,   5.67,  -0.27,
04/11 14Z,  -0.20,   6.76,  99.90,   6.27,  -0.29,
04/11 15Z,  -0.10,   7.25,  99.90,   6.85,  -0.30,
04/11 16Z,  -0.10,   7.45,  99.90,   7.03,  -0.32,  (max)
04/11 17Z,  -0.20,   7.22,  99.90,   6.69,  -0.33,
04/11 18Z,  -0.20,   6.55,  99.90,   6.01,  -0.35,
04/11 19Z,  -0.30,   5.51,  99.90,   4.85,  -0.36,
04/11 20Z,  -0.20,   4.28,  99.90,   3.70,  -0.37,
04/11 21Z,  -0.20,   3.07,  99.90,   2.49,  -0.39,
04/11 22Z,  -0.20,   2.14,  99.90,   1.54,  -0.40,
04/11 23Z,  -0.20,   1.67,  99.90,   1.05,  -0.42,  (min)
04/12 00Z,  -0.20,   1.76,  99.90,   1.14,  -0.42,
04/12 01Z,  -0.10,   2.39,  99.90,   1.87,  -0.42,
04/12 02Z,  -0.10,   3.44,  99.90,   2.92,  -0.42,
04/12 03Z,  -0.10,   4.67,  99.90,   4.15,  -0.42,
04/12 04Z,  -0.10,   5.84,  99.90,   5.32,  -0.42,
04/12 05Z,  -0.10,   6.71,  99.90,   6.19,  -0.42,
04/12 06Z,  -0.10,   7.12,  99.90,   6.60,  -0.42,  (max)
04/12 07Z,  -0.10,   7.04,  99.90,   6.52,  -0.42,
04/12 08Z,  -0.10,   6.54,  99.90,   6.02,  -0.42,
04/12 09Z,  -0.10,   5.80,  99.90,   5.28,  -0.42,
04/12 10Z,  -0.10,   5.06,  99.90,   4.54,  -0.42,
04/12 11Z,  -0.10,   4.55,  99.90,   4.03,  -0.42,
04/12 12Z,   0.00,   4.43,  99.90,   4.01,  -0.42,  (min)
04/12 13Z,   0.00,   4.75,  99.90,   4.33,  -0.42,
04/12 14Z,  -0.10,   5.43,  99.90,   4.92,  -0.42,
04/12 15Z,  -0.10,   6.30,  99.90,   5.78,  -0.42,
04/12 16Z,  -0.20,   7.09,  99.90,   6.47,  -0.42,
04/12 17Z,  -0.30,   7.56,  99.90,   6.84,  -0.42,  (max)
04/12 18Z,  -0.30,   7.51,  99.90,   6.80,  -0.42,
04/12 19Z,  -0.20,   6.89,  99.90,   6.27,  -0.42,
04/12 20Z,  -0.10,   5.76,  99.90,   5.24,  -0.42,
04/12 21Z,   0.00,   4.34,  99.90,   3.92,  -0.42,
04/12 22Z,   0.00,   2.93,  99.90,   2.51,  -0.42,
04/12 23Z,   0.00,   1.83,  99.90,   1.41,  -0.42,
04/13 00Z,   0.10,   1.30,  99.90,   0.98,  -0.42,  (min)
04/13 01Z,   0.10,   1.48,  99.90,   1.16,  -0.42,
04/13 02Z,   0.00,   2.33,  99.90,   1.92,  -0.42,
04/13 03Z,   0.00,   3.68,  99.90,   3.26,  -0.42,
04/13 04Z,   0.00,   5.23,  99.90,   4.81,  -0.42,
04/13 05Z,   0.00,   6.62,  99.90,   6.20,  -0.42,
04/13 06Z,   0.00,   7.56,  99.90,   7.14,  -0.42,
04/13 07Z,   0.00,   7.85,  99.90,   7.43,  -0.42,  (max)
04/13 08Z,   0.00,   7.46,  99.90,   7.05,  -0.42,
04/13 09Z,   0.10,   6.54,  99.90,   6.22,  -0.42,
04/13 10Z,   0.10,   5.34,  99.90,   5.03,  -0.42,
04/13 11Z,   0.20,   4.22,  99.90,   4.00,  -0.42,
04/13 12Z,   0.30,   3.47,  99.90,   3.36,  -0.42,
04/13 13Z,   0.30,   3.33,  99.90,   3.21,  -0.42,  (min)
04/13 14Z,   0.30,   3.82,  99.90,   3.70,  -0.42,
04/13 15Z,   0.30,   4.83,  99.90,   4.72,  -0.42,
04/13 16Z,   0.30,   6.09,  99.90,   5.97,  -0.42,
04/13 17Z,   0.30,   7.24,  99.90,   7.13,  -0.42,
04/13 18Z,   0.20,   7.95,  99.90,   7.73,  -0.42,
04/13 19Z,   0.20,   7.97,  99.90,   7.75,  -0.42,  (max)
04/13 20Z,   0.30,   7.24,  99.90,   7.12,  -0.42,
04/13 21Z,   0.30,   5.88,  99.90,   5.76,  -0.42,
04/13 22Z,   0.40,   4.19,  99.90,   4.17,  -0.42,
04/13 23Z,   0.40,   2.56,  99.90,   2.54,  -0.42,
04/14 00Z,   0.40,   1.38,  99.90,   1.37,  -0.42,
04/14 01Z,   0.40,   0.96,  99.90,   0.94,  -0.42,  (min)
04/14 02Z,   0.40,   1.42,  99.90,   1.40,  -0.42,
04/14 03Z,   0.30,   2.66,  99.90,   2.54,  -0.42,
04/14 04Z,   0.20,   4.40,  99.90,   4.19,  -0.42,
04/14 05Z,   0.10,   6.25,  99.90,   5.93,  -0.42,
04/14 06Z,   0.10,   7.76,  99.90,   7.44,  -0.42,
04/14 07Z,   0.10,   8.58,  99.90,   8.26,  -0.42,  (max)
04/14 08Z,   0.00,   8.52,  99.90,   8.10,  -0.42,
04/14 09Z,   0.00,   7.61,  99.90,   7.20,  -0.42,
04/14 10Z,   0.00,   6.11,  99.90,   5.70,  -0.42,
04/14 11Z,   0.10,   4.41,  99.90,   4.09,  -0.42,
04/14 12Z,   0.10,   2.96,  99.90,   2.64,  -0.42,
04/14 13Z,   0.10,   2.12,  99.90,   1.81,  -0.42,
04/14 14Z,   0.00,   2.14,  99.90,   1.72,  -0.42,  (min)
04/14 15Z,   0.00,   3.00,  99.90,   2.58,  -0.42,
04/14 16Z,   0.00,   4.48,  99.90,   4.06,  -0.42,
04/14 17Z,   0.00,   6.19,  99.90,   5.77,  -0.42,
04/14 18Z,  -0.10,   7.66,  99.90,   7.14,  -0.42,
04/14 19Z,  -0.10,   8.50,  99.90,   7.98,  -0.42,  (max)
04/14 20Z,  -0.10,   8.44,  99.90,   7.92,  -0.42,
04/14 21Z,  -0.20,   7.47,  99.90,   6.85,  -0.42,
04/14 22Z,  -0.10,   5.80,  99.90,   5.28,  -0.42,
04/14 23Z,  -0.10,   3.85,  99.90,   3.33,  -0.42,
04/15 00Z,  -0.10,   2.09,  99.90,   1.57,  -0.42,