EXTRA-TROPICAL  STORM  SURGE
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Datum
hat-on
mhhw-on
msl-on
mllw-on
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Alaska
Gulf of Alaska
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Seattle, 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
#Seattle, WA : 10/11/2026 18:22:29 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 00Z,   1.40,  11.43,  12.10,  99.90,  -0.73,  (max)
10/10 01Z,   1.40,  10.65,  11.16,  99.90,  -0.89,
10/10 02Z,   1.40,   8.93,   9.53,  99.90,  -0.80,
10/10 03Z,   1.40,   6.50,   7.14,  99.90,  -0.76,
10/10 04Z,   1.30,   3.90,   4.55,  99.90,  -0.65,
10/10 05Z,   1.30,   1.83,   2.57,  99.90,  -0.56,
10/10 06Z,   1.20,   0.87,   1.64,  99.90,  -0.43,  (min)
10/10 07Z,   1.20,   1.22,   2.15,  99.90,  -0.27,
10/10 08Z,   1.20,   2.71,   3.71,  99.90,  -0.20,
10/10 09Z,   1.10,   4.94,   5.86,  99.90,  -0.18,
10/10 10Z,   1.10,   7.33,   8.27,  99.90,  -0.16,
10/10 11Z,   1.10,   9.25,  10.21,  99.90,  -0.14,
10/10 12Z,   1.20,  10.30,  11.20,  99.90,  -0.30,  (max)
10/10 13Z,   1.20,  10.36,  11.06,  99.90,  -0.50,
10/10 14Z,   1.20,   9.50,  10.11,  99.90,  -0.59,
10/10 15Z,   1.20,   7.90,   8.72,  99.90,  -0.38,
10/10 16Z,   1.20,   5.93,   6.73,  99.90,  -0.40,
10/10 17Z,   1.10,   4.24,   4.92,  99.90,  -0.42,
10/10 18Z,   1.20,   3.40,   3.98,  99.90,  -0.62,  (min)
10/10 19Z,   1.20,   3.69,   4.23,  99.90,  -0.66,
10/10 20Z,   1.20,   4.99,   5.59,  99.90,  -0.60,
10/10 21Z,   1.20,   6.94,   7.50,  99.90,  -0.64,
10/10 22Z,   1.20,   9.02,   9.63,  99.90,  -0.59,
10/10 23Z,   1.20,  10.64,  11.40,  99.90,  -0.44,
10/11 00Z,   1.10,  11.34,  12.28,  99.90,  -0.16,  (max)
10/11 01Z,   1.10,  10.95,  11.78,  99.90,  -0.27,
10/11 02Z,   1.10,   9.54,  10.40,  99.90,  -0.24,
10/11 03Z,   1.10,   7.31,   8.25,  99.90,  -0.16,
10/11 04Z,   1.10,   4.60,   5.49,  99.90,  -0.21,
10/11 05Z,   1.10,   2.04,   2.87,  99.90,  -0.27,
10/11 06Z,   1.10,   0.34,   1.21,  99.90,  -0.23,
10/11 07Z,   1.10,  -0.03,   0.81,  99.90,  -0.26,  (min)
10/11 08Z,   1.10,   0.95,   1.96,  99.90,  -0.09,
10/11 09Z,   1.10,   2.98,   3.93,  99.90,  -0.15,
10/11 10Z,   1.10,   5.54,   6.46,  99.90,  -0.18,
10/11 11Z,   1.10,   8.02,   8.90,  99.90,  -0.22,
10/11 12Z,   1.10,   9.84,  10.71,  99.90,  -0.23,
10/11 13Z,   1.10,  10.70,  11.45,  99.90,  -0.35,  (max)
10/11 14Z,   1.10,  10.60,  11.23,  99.90,  -0.47,
10/11 15Z,   1.10,   9.65,  10.25,  99.90,  -0.50,
10/11 16Z,   1.10,   8.08,   8.89,  99.90,  -0.29,
10/11 17Z,   1.10,   6.31,   7.05,  99.90,  -0.36,
10/11 18Z,   1.10,   4.94,   5.55,  99.90,  -0.49,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/11 19Z,   1.10,   4.47,  99.90,   5.09,  -0.48,  (min)
10/11 20Z,   1.10,   5.03,  99.90,   5.66,  -0.47,
10/11 21Z,   1.10,   6.40,  99.90,   7.04,  -0.46,
10/11 22Z,   1.10,   8.20,  99.90,   8.85,  -0.45,
10/11 23Z,   1.10,   9.90,  99.90,  10.56,  -0.44,
10/12 00Z,   1.10,  10.96,  99.90,  11.64,  -0.43,
10/12 01Z,   1.10,  11.02,  99.90,  11.70,  -0.42,  (max)
10/12 02Z,   1.10,  10.00,  99.90,  10.69,  -0.41,
10/12 03Z,   1.10,   8.08,  99.90,   8.78,  -0.40,
10/12 04Z,   1.10,   5.52,  99.90,   6.23,  -0.39,
10/12 05Z,   1.10,   2.77,  99.90,   3.50,  -0.37,
10/12 06Z,   1.10,   0.51,  99.90,   1.24,  -0.36,
10/12 07Z,   1.10,  -0.63,  99.90,   0.11,  -0.36,  (min)
10/12 08Z,   1.10,  -0.33,  99.90,   0.40,  -0.36,
10/12 09Z,   1.10,   1.24,  99.90,   1.98,  -0.36,
10/12 10Z,   1.10,   3.66,  99.90,   4.40,  -0.36,
10/12 11Z,   1.10,   6.37,  99.90,   7.11,  -0.36,
10/12 12Z,   1.10,   8.77,  99.90,   9.50,  -0.36,
10/12 13Z,   1.10,  10.36,  99.90,  11.10,  -0.36,
10/12 14Z,   1.10,  10.98,  99.90,  11.71,  -0.36,  (max)
10/12 15Z,   1.10,  10.70,  99.90,  11.44,  -0.36,
10/12 16Z,   1.10,   9.70,  99.90,  10.44,  -0.36,
10/12 17Z,   1.10,   8.23,  99.90,   8.97,  -0.36,
10/12 18Z,   1.10,   6.72,  99.90,   7.46,  -0.36,
10/12 19Z,   1.10,   5.71,  99.90,   6.44,  -0.36,
10/12 20Z,   1.10,   5.56,  99.90,   6.29,  -0.36,  (min)
10/12 21Z,   1.10,   6.27,  99.90,   7.01,  -0.36,
10/12 22Z,   1.10,   7.58,  99.90,   8.32,  -0.36,
10/12 23Z,   1.10,   9.08,  99.90,   9.82,  -0.36,
10/13 00Z,   1.00,  10.30,  99.90,  10.94,  -0.36,
10/13 01Z,   1.00,  10.78,  99.90,  11.41,  -0.36,  (max)
10/13 02Z,   1.00,  10.24,  99.90,  10.87,  -0.36,
10/13 03Z,   1.00,   8.73,  99.90,   9.37,  -0.36,
10/13 04Z,   1.10,   6.48,  99.90,   7.22,  -0.36,
10/13 05Z,   1.10,   3.84,  99.90,   4.57,  -0.36,
10/13 06Z,   1.10,   1.29,  99.90,   2.03,  -0.36,
10/13 07Z,   1.10,  -0.50,  99.90,   0.24,  -0.36,
10/13 08Z,   1.00,  -0.99,  99.90,  -0.35,  -0.36,  (min)
10/13 09Z,   1.00,  -0.07,  99.90,   0.57,  -0.36,
10/13 10Z,   1.00,   1.96,  99.90,   2.60,  -0.36,
10/13 11Z,   1.00,   4.59,  99.90,   5.22,  -0.36,
10/13 12Z,   1.00,   7.26,  99.90,   7.89,  -0.36,
10/13 13Z,   1.00,   9.42,  99.90,  10.06,  -0.36,
10/13 14Z,   1.00,  10.72,  99.90,  11.36,  -0.36,
10/13 15Z,   1.00,  11.09,  99.90,  11.72,  -0.36,  (max)
10/13 16Z,   1.00,  10.67,  99.90,  11.31,  -0.36,
10/13 17Z,   1.00,   9.68,  99.90,  10.31,  -0.36,
10/13 18Z,   1.00,   8.37,  99.90,   9.00,  -0.36,
10/13 19Z,   1.00,   7.14,  99.90,   7.78,  -0.36,
10/13 20Z,   0.90,   6.45,  99.90,   6.99,  -0.36,  (min)
10/13 21Z,   0.90,   6.53,  99.90,   7.06,  -0.36,
10/13 22Z,   0.90,   7.27,  99.90,   7.80,  -0.36,
10/13 23Z,   0.90,   8.37,  99.90,   8.91,  -0.36,
10/14 00Z,   0.90,   9.49,  99.90,  10.03,  -0.36,
10/14 01Z,   0.90,  10.22,  99.90,  10.75,  -0.36,  (max)
10/14 02Z,   0.90,  10.17,  99.90,  10.71,  -0.36,
10/14 03Z,   0.90,   9.19,  99.90,   9.73,  -0.36,
10/14 04Z,   0.90,   7.39,  99.90,   7.92,  -0.36,
10/14 05Z,   0.90,   5.03,  99.90,   5.57,  -0.36,
10/14 06Z,   0.90,   2.51,  99.90,   3.05,  -0.36,
10/14 07Z,   0.90,   0.33,  99.90,   0.87,  -0.36,
10/14 08Z,   0.90,  -0.89,  99.90,  -0.36,  -0.36,  (min)
10/14 09Z,   0.90,  -0.78,  99.90,  -0.24,  -0.36,
10/14 10Z,   0.90,   0.62,  99.90,   1.16,  -0.36,
10/14 11Z,   0.90,   2.90,  99.90,   3.43,  -0.36,
10/14 12Z,   0.90,   5.53,  99.90,   6.07,  -0.36,
10/14 13Z,   0.90,   8.00,  99.90,   8.54,  -0.36,
10/14 14Z,   0.90,   9.87,  99.90,  10.40,  -0.36,
10/14 15Z,   0.90,  10.86,  99.90,  11.39,  -0.36,
10/14 16Z,   0.90,  11.01,  99.90,  11.55,  -0.36,  (max)
10/14 17Z,   0.90,  10.53,  99.90,  11.06,  -0.36,
10/14 18Z,   0.90,   9.61,  99.90,  10.14,  -0.36,
10/14 19Z,   0.90,   8.49,  99.90,   9.02,  -0.36,
10/14 20Z,   0.90,   7.53,  99.90,   8.07,  -0.36,
10/14 21Z,   0.90,   7.09,  99.90,   7.63,  -0.36,  (min)
10/14 22Z,   0.90,   7.27,  99.90,   7.81,  -0.36,
10/14 23Z,   0.90,   7.91,  99.90,   8.44,  -0.36,
10/15 00Z,   0.90,   8.73,  99.90,   9.26,  -0.36,
10/15 01Z,   0.90,   9.45,  99.90,   9.99,  -0.36,
10/15 02Z,   0.90,   9.75,  99.90,  10.29,  -0.36,  (max)
10/15 03Z,   0.90,   9.33,  99.90,   9.87,  -0.36,
10/15 04Z,   0.90,   8.10,  99.90,   8.63,  -0.36,
10/15 05Z,   0.80,   6.20,  99.90,   6.63,  -0.36,
10/15 06Z,   0.80,   3.93,  99.90,   4.37,  -0.36,
10/15 07Z,   0.80,   1.68,  99.90,   2.12,  -0.36,
10/15 08Z,   0.80,  -0.05,  99.90,   0.39,  -0.36,
10/15 09Z,   0.80,  -0.75,  99.90,  -0.31,  -0.36,  (min)
10/15 10Z,   0.80,  -0.17,  99.90,   0.27,  -0.36,
10/15 11Z,   0.80,   1.51,  99.90,   1.94,  -0.36,
10/15 12Z,   0.80,   3.82,  99.90,   4.25,  -0.36,