EXTRA-TROPICAL  STORM  SURGE
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Datum
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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Friday Harbor WA
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Port Angeles, WA
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Toke Point, WA
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Crescent City, CA
North Spit, CA
Arena Cove, CA
Point Reyes, CA
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San Francisco CA
Surge List
West Coast
#Port Angeles, WA : 04/21/2026 00:21:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 06Z,   0.80,   5.04,   5.40,  99.90,  -0.44,  (min)
04/19 07Z,   0.80,   5.77,   6.25,  99.90,  -0.32,
04/19 08Z,   0.80,   6.72,   7.13,  99.90,  -0.39,
04/19 09Z,   0.80,   7.50,   7.74,  99.90,  -0.56,
04/19 10Z,   0.80,   7.88,   8.14,  99.90,  -0.54,  (max)
04/19 11Z,   0.80,   7.77,   8.13,  99.90,  -0.44,
04/19 12Z,   0.80,   7.06,   7.39,  99.90,  -0.47,
04/19 13Z,   0.80,   5.72,   6.00,  99.90,  -0.52,
04/19 14Z,   0.80,   3.93,   4.27,  99.90,  -0.46,
04/19 15Z,   0.80,   1.99,   2.33,  99.90,  -0.46,
04/19 16Z,   0.80,   0.16,   0.23,  99.90,  -0.73,
04/19 17Z,   0.80,  -1.30,  -1.54,  99.90,  -1.04,
04/19 18Z,   0.80,  -2.01,  -2.04,  99.90,  -0.83,  (min)
04/19 19Z,   0.80,  -1.68,  -1.46,  99.90,  -0.58,
04/19 20Z,   0.80,  -0.41,  -0.09,  99.90,  -0.48,
04/19 21Z,   0.80,   1.32,   1.59,  99.90,  -0.53,
04/19 22Z,   0.80,   3.10,   3.33,  99.90,  -0.57,
04/19 23Z,   0.80,   4.65,   4.84,  99.90,  -0.61,
04/20 00Z,   0.90,   5.79,   5.96,  99.90,  -0.73,
04/20 01Z,   1.00,   6.34,   6.40,  99.90,  -0.94,  (max)
04/20 02Z,   0.90,   6.38,   6.31,  99.90,  -0.97,
04/20 03Z,   0.90,   6.14,   6.18,  99.90,  -0.86,
04/20 04Z,   0.90,   5.84,   6.15,  99.90,  -0.59,
04/20 05Z,   0.90,   5.57,   6.07,  99.90,  -0.40,
04/20 06Z,   0.80,   5.48,   5.95,  99.90,  -0.33,  (min)
04/20 07Z,   0.80,   5.81,   6.31,  99.90,  -0.30,
04/20 08Z,   0.80,   6.53,   7.01,  99.90,  -0.32,
04/20 09Z,   0.80,   7.33,   7.81,  99.90,  -0.32,
04/20 10Z,   0.80,   7.85,   8.20,  99.90,  -0.45,
04/20 11Z,   0.80,   7.96,   8.32,  99.90,  -0.44,  (max)
04/20 12Z,   0.80,   7.59,   7.96,  99.90,  -0.43,
04/20 13Z,   0.90,   6.65,   7.18,  99.90,  -0.37,
04/20 14Z,   0.80,   5.15,   5.53,  99.90,  -0.42,
04/20 15Z,   0.80,   3.28,   3.73,  99.90,  -0.35,
04/20 16Z,   0.80,   1.35,   1.66,  99.90,  -0.49,
04/20 17Z,   0.90,  -0.41,  -0.33,  99.90,  -0.82,
04/20 18Z,   0.90,  -1.74,  -1.87,  99.90,  -1.03,
04/20 19Z,   1.00,  -2.26,  -2.05,  99.90,  -0.79,  (min)
04/20 20Z,   1.00,  -1.74,  -1.26,  99.90,  -0.52,
04/20 21Z,   1.00,  -0.38,   0.13,  99.90,  -0.49,
04/20 22Z,   1.00,   1.35,   1.89,  99.90,  -0.46,
04/20 23Z,   1.00,   3.09,   3.40,  99.90,  -0.69,
04/21 00Z,   1.00,   4.62,   5.09,  99.90,  -0.53,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 01Z,   1.00,   5.73,  99.90,   6.20,  -0.53,
04/21 02Z,   1.00,   6.30,  99.90,   6.76,  -0.54,
04/21 03Z,   1.00,   6.41,  99.90,   6.86,  -0.54,  (max)
04/21 04Z,   1.00,   6.30,  99.90,   6.75,  -0.55,
04/21 05Z,   1.00,   6.14,  99.90,   6.58,  -0.56,
04/21 06Z,   1.00,   5.98,  99.90,   6.42,  -0.56,
04/21 07Z,   1.00,   5.99,  99.90,   6.42,  -0.57,  (min)
04/21 08Z,   1.10,   6.33,  99.90,   6.86,  -0.57,
04/21 09Z,   1.00,   6.96,  99.90,   7.38,  -0.58,
04/21 10Z,   1.10,   7.56,  99.90,   8.07,  -0.59,
04/21 11Z,   1.10,   7.84,  99.90,   8.35,  -0.59,  (max)
04/21 12Z,   1.10,   7.73,  99.90,   8.23,  -0.60,
04/21 13Z,   1.10,   7.20,  99.90,   7.70,  -0.60,
04/21 14Z,   1.10,   6.17,  99.90,   6.67,  -0.60,
04/21 15Z,   1.20,   4.64,  99.90,   5.25,  -0.60,
04/21 16Z,   1.20,   2.85,  99.90,   3.45,  -0.60,
04/21 17Z,   1.10,   1.05,  99.90,   1.55,  -0.60,
04/21 18Z,   1.10,  -0.57,  99.90,  -0.07,  -0.60,
04/21 19Z,   1.20,  -1.74,  99.90,  -1.14,  -0.60,
04/21 20Z,   1.10,  -2.11,  99.90,  -1.61,  -0.60,  (min)
04/21 21Z,   1.10,  -1.52,  99.90,  -1.01,  -0.60,
04/21 22Z,   1.10,  -0.19,  99.90,   0.31,  -0.60,
04/21 23Z,   1.10,   1.45,  99.90,   1.95,  -0.60,
04/22 00Z,   1.10,   3.08,  99.90,   3.59,  -0.60,
04/22 01Z,   1.10,   4.54,  99.90,   5.04,  -0.60,
04/22 02Z,   1.10,   5.61,  99.90,   6.12,  -0.60,
04/22 03Z,   1.10,   6.20,  99.90,   6.70,  -0.60,
04/22 04Z,   1.20,   6.39,  99.90,   6.99,  -0.60,  (max)
04/22 05Z,   1.10,   6.41,  99.90,   6.91,  -0.60,
04/22 06Z,   1.10,   6.35,  99.90,   6.85,  -0.60,
04/22 07Z,   1.10,   6.26,  99.90,   6.76,  -0.60,  (min)
04/22 08Z,   1.10,   6.27,  99.90,   6.77,  -0.60,
04/22 09Z,   1.10,   6.55,  99.90,   7.05,  -0.60,
04/22 10Z,   1.20,   7.02,  99.90,   7.62,  -0.60,
04/22 11Z,   1.20,   7.39,  99.90,   7.99,  -0.60,
04/22 12Z,   1.20,   7.47,  99.90,   8.08,  -0.60,  (max)
04/22 13Z,   1.20,   7.25,  99.90,   7.85,  -0.60,
04/22 14Z,   1.20,   6.69,  99.90,   7.29,  -0.60,
04/22 15Z,   1.20,   5.69,  99.90,   6.30,  -0.60,
04/22 16Z,   1.20,   4.28,  99.90,   4.88,  -0.60,
04/22 17Z,   1.10,   2.66,  99.90,   3.17,  -0.60,
04/22 18Z,   1.10,   1.06,  99.90,   1.57,  -0.60,
04/22 19Z,   1.10,  -0.37,  99.90,   0.13,  -0.60,
04/22 20Z,   1.10,  -1.40,  99.90,  -0.89,  -0.60,
04/22 21Z,   1.10,  -1.68,  99.90,  -1.18,  -0.60,  (min)
04/22 22Z,   1.00,  -1.10,  99.90,  -0.69,  -0.60,
04/22 23Z,   1.00,   0.12,  99.90,   0.52,  -0.60,
04/23 00Z,   1.00,   1.59,  99.90,   1.99,  -0.60,
04/23 01Z,   1.00,   3.10,  99.90,   3.50,  -0.60,
04/23 02Z,   1.00,   4.47,  99.90,   4.88,  -0.60,
04/23 03Z,   1.00,   5.52,  99.90,   5.92,  -0.60,
04/23 04Z,   1.00,   6.12,  99.90,   6.52,  -0.60,
04/23 05Z,   1.00,   6.38,  99.90,   6.79,  -0.60,  (max)
04/23 06Z,   0.90,   6.48,  99.90,   6.78,  -0.60,
04/23 07Z,   0.90,   6.46,  99.90,   6.77,  -0.60,
04/23 08Z,   0.90,   6.35,  99.90,   6.65,  -0.60,
04/23 09Z,   0.90,   6.28,  99.90,   6.59,  -0.60,  (min)
04/23 10Z,   0.90,   6.42,  99.90,   6.73,  -0.60,
04/23 11Z,   0.90,   6.70,  99.90,   7.00,  -0.60,
04/23 12Z,   0.90,   6.87,  99.90,   7.17,  -0.60,  (max)
04/23 13Z,   0.80,   6.84,  99.90,   7.04,  -0.60,
04/23 14Z,   0.90,   6.61,  99.90,   6.91,  -0.60,
04/23 15Z,   0.90,   6.13,  99.90,   6.44,  -0.60,
04/23 16Z,   0.80,   5.28,  99.90,   5.48,  -0.60,
04/23 17Z,   0.80,   4.07,  99.90,   4.28,  -0.60,
04/23 18Z,   0.80,   2.71,  99.90,   2.91,  -0.60,
04/23 19Z,   0.80,   1.34,  99.90,   1.55,  -0.60,
04/23 20Z,   0.80,   0.09,  99.90,   0.29,  -0.60,
04/23 21Z,   0.80,  -0.82,  99.90,  -0.62,  -0.60,
04/23 22Z,   0.80,  -1.07,  99.90,  -0.86,  -0.60,  (min)
04/23 23Z,   0.80,  -0.55,  99.90,  -0.35,  -0.60,
04/24 00Z,   0.80,   0.51,  99.90,   0.71,  -0.60,
04/24 01Z,   0.80,   1.82,  99.90,   2.02,  -0.60,
04/24 02Z,   0.80,   3.21,  99.90,   3.42,  -0.60,
04/24 03Z,   0.80,   4.53,  99.90,   4.73,  -0.60,
04/24 04Z,   0.80,   5.54,  99.90,   5.74,  -0.60,
04/24 05Z,   0.80,   6.13,  99.90,   6.33,  -0.60,
04/24 06Z,   0.80,   6.42,  99.90,   6.62,  -0.60,
04/24 07Z,   0.80,   6.52,  99.90,   6.73,  -0.60,  (max)
04/24 08Z,   0.80,   6.45,  99.90,   6.65,  -0.60,
04/24 09Z,   0.80,   6.22,  99.90,   6.42,  -0.60,
04/24 10Z,   0.80,   5.99,  99.90,   6.19,  -0.60,
04/24 11Z,   0.80,   5.94,  99.90,   6.15,  -0.60,  (min)
04/24 12Z,   0.80,   6.03,  99.90,   6.23,  -0.60,
04/24 13Z,   0.80,   6.07,  99.90,   6.27,  -0.60,  (max)
04/24 14Z,   0.80,   6.02,  99.90,   6.23,  -0.60,
04/24 15Z,   0.80,   5.90,  99.90,   6.10,  -0.60,
04/24 16Z,   0.80,   5.60,  99.90,   5.80,  -0.60,
04/24 17Z,   0.80,   4.96,  99.90,   5.16,  -0.60,
04/24 18Z,   0.80,   4.01,  99.90,   4.21,  -0.60,