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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Alaska
Gulf of Alaska
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Cherry Point, WA
Friday Harbor WA
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Seattle, WA
Port Angeles, WA
Neah Bay, WA
Toke Point, WA
Astoria, OR
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Crescent City, CA
North Spit, CA
Arena Cove, CA
Point Reyes, CA
Port Chicago, CA
San Francisco CA
Surge List
West Coast
#Seward, AK : 12/06/2025 11:20:20 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/04 12Z,   1.10,   1.35,   0.56,  99.90,  -1.89,
12/04 13Z,   1.10,  -0.56,  -1.40,  99.90,  -1.94,
12/04 14Z,   1.00,  -1.98,  -2.76,  99.90,  -1.78,
12/04 15Z,   0.90,  -2.35,  -2.92,  99.90,  -1.47,  (min)
12/04 16Z,   0.80,  -1.48,  -1.97,  99.90,  -1.29,
12/04 17Z,   0.80,   0.46,  -0.08,  99.90,  -1.34,
12/04 18Z,   1.00,   3.04,   2.53,  99.90,  -1.51,
12/04 19Z,   1.00,   5.62,   5.07,  99.90,  -1.55,
12/04 20Z,   0.90,   7.47,   6.69,  99.90,  -1.68,
12/04 21Z,   0.80,   8.05,   7.13,  99.90,  -1.72,  (max)
12/04 22Z,   0.70,   7.14,   6.08,  99.90,  -1.76,
12/04 23Z,   0.70,   4.86,   3.82,  99.90,  -1.74,
12/05 00Z,   0.80,   1.57,   0.61,  99.90,  -1.76,
12/05 01Z,   0.80,  -2.12,  -3.20,  99.90,  -1.88,
12/05 02Z,   0.70,  -5.42,  -6.33,  99.90,  -1.61,
12/05 03Z,   0.60,  -7.59,  -8.54,  99.90,  -1.55,
12/05 04Z,   0.60,  -8.18,  -9.11,  99.90,  -1.53,  (min)
12/05 05Z,   0.50,  -7.16,  -8.03,  99.90,  -1.37,
12/05 06Z,   0.70,  -4.86,  -5.67,  99.90,  -1.51,
12/05 07Z,   0.80,  -1.86,  -2.68,  99.90,  -1.62,
12/05 08Z,   0.70,   1.11,   0.13,  99.90,  -1.68,
12/05 09Z,   0.70,   3.34,   2.41,  99.90,  -1.63,
12/05 10Z,   0.60,   4.43,   3.44,  99.90,  -1.59,  (max)
12/05 11Z,   0.70,   4.27,   3.37,  99.90,  -1.60,
12/05 12Z,   0.90,   3.05,   2.25,  99.90,  -1.70,
12/05 13Z,   0.80,   1.16,   0.41,  99.90,  -1.55,
12/05 14Z,   0.70,  -0.79,  -1.53,  99.90,  -1.44,
12/05 15Z,   0.90,  -2.09,  -2.63,  99.90,  -1.44,
12/05 16Z,   0.70,  -2.24,  -2.65,  99.90,  -1.11,  (min)
12/05 17Z,   0.60,  -1.12,  -1.49,  99.90,  -0.97,
12/05 18Z,   0.90,   1.05,   0.77,  99.90,  -1.18,
12/05 19Z,   0.90,   3.73,   3.42,  99.90,  -1.21,
12/05 20Z,   1.00,   6.25,   5.82,  99.90,  -1.43,
12/05 21Z,   1.00,   7.89,   7.39,  99.90,  -1.50,
12/05 22Z,   0.90,   8.15,   7.63,  99.90,  -1.42,  (max)
12/05 23Z,   1.00,   6.89,   6.38,  99.90,  -1.51,
12/06 00Z,   1.10,   4.29,   3.76,  99.90,  -1.63,
12/06 01Z,   1.00,   0.79,   0.27,  99.90,  -1.52,
12/06 02Z,   1.00,  -2.97,  -3.47,  99.90,  -1.50,
12/06 03Z,   1.00,  -6.16,  -6.48,  99.90,  -1.32,
12/06 04Z,   1.00,  -8.07,  -8.37,  99.90,  -1.30,
12/06 05Z,   1.00,  -8.31,  -8.61,  99.90,  -1.30,  (min)
12/06 06Z,   1.00,  -6.95,  -7.27,  99.90,  -1.32,
12/06 07Z,   1.10,  -4.39,  -4.65,  99.90,  -1.36,
12/06 08Z,   1.20,  -1.28,  -1.52,  99.90,  -1.44,
12/06 09Z,   1.30,   1.63,   1.31,  99.90,  -1.62,
12/06 10Z,   1.30,   3.69,   3.43,  99.90,  -1.56,
12/06 11Z,   1.40,   4.55,   4.37,  99.90,  -1.58,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/06 12Z,   1.50,   4.18,  99.90,   4.10,  -1.58,
12/06 13Z,   1.50,   2.80,  99.90,   2.72,  -1.58,
12/06 14Z,   1.50,   0.84,  99.90,   0.76,  -1.58,
12/06 15Z,   1.60,  -1.04,  99.90,  -1.02,  -1.58,
12/06 16Z,   1.60,  -2.16,  99.90,  -2.15,  -1.58,  (min)
12/06 17Z,   1.60,  -2.08,  99.90,  -2.07,  -1.59,
12/06 18Z,   1.70,  -0.75,  99.90,  -0.63,  -1.59,
12/06 19Z,   1.70,   1.52,  99.90,   1.63,  -1.59,
12/06 20Z,   1.80,   4.17,  99.90,   4.38,  -1.59,
12/06 21Z,   1.80,   6.51,  99.90,   6.72,  -1.59,
12/06 22Z,   1.90,   7.86,  99.90,   8.16,  -1.59,  (max)
12/06 23Z,   1.80,   7.80,  99.90,   8.01,  -1.59,
12/07 00Z,   1.80,   6.28,  99.90,   6.49,  -1.59,
12/07 01Z,   1.80,   3.53,  99.90,   3.74,  -1.59,
12/07 02Z,   1.70,   0.00,  99.90,   0.11,  -1.59,
12/07 03Z,   1.70,  -3.62,  99.90,  -3.51,  -1.59,
12/07 04Z,   1.70,  -6.53,  99.90,  -6.42,  -1.59,
12/07 05Z,   1.70,  -8.06,  99.90,  -7.95,  -1.59,  (min)
12/07 06Z,   1.70,  -7.94,  99.90,  -7.84,  -1.59,
12/07 07Z,   1.60,  -6.33,  99.90,  -6.33,  -1.59,
12/07 08Z,   1.60,  -3.68,  99.90,  -3.68,  -1.59,
12/07 09Z,   1.70,  -0.64,  99.90,  -0.54,  -1.59,
12/07 10Z,   1.80,   2.06,  99.90,   2.27,  -1.59,
12/07 11Z,   1.70,   3.86,  99.90,   3.96,  -1.59,
12/07 12Z,   1.70,   4.47,  99.90,   4.57,  -1.59,  (max)
12/07 13Z,   1.80,   3.91,  99.90,   4.12,  -1.59,
12/07 14Z,   1.80,   2.44,  99.90,   2.65,  -1.59,
12/07 15Z,   1.80,   0.52,  99.90,   0.72,  -1.59,
12/07 16Z,   1.80,  -1.22,  99.90,  -1.01,  -1.59,
12/07 17Z,   1.80,  -2.13,  99.90,  -1.92,  -1.59,  (min)
12/07 18Z,   1.90,  -1.85,  99.90,  -1.54,  -1.59,
12/07 19Z,   1.80,  -0.42,  99.90,  -0.21,  -1.59,
12/07 20Z,   1.80,   1.81,  99.90,   2.02,  -1.59,
12/07 21Z,   1.80,   4.28,  99.90,   4.49,  -1.59,
12/07 22Z,   1.80,   6.33,  99.90,   6.53,  -1.59,
12/07 23Z,   1.80,   7.36,  99.90,   7.57,  -1.59,  (max)
12/08 00Z,   1.80,   7.05,  99.90,   7.26,  -1.59,
12/08 01Z,   1.70,   5.40,  99.90,   5.51,  -1.59,
12/08 02Z,   1.60,   2.67,  99.90,   2.67,  -1.59,
12/08 03Z,   1.60,  -0.69,  99.90,  -0.68,  -1.59,
12/08 04Z,   1.70,  -3.99,  99.90,  -3.89,  -1.59,
12/08 05Z,   1.90,  -6.49,  99.90,  -6.18,  -1.59,
12/08 06Z,   1.90,  -7.62,  99.90,  -7.31,  -1.59,  (min)
12/08 07Z,   1.90,  -7.20,  99.90,  -6.89,  -1.59,
12/08 08Z,   1.80,  -5.46,  99.90,  -5.25,  -1.59,
12/08 09Z,   1.90,  -2.86,  99.90,  -2.55,  -1.59,
12/08 10Z,   1.60,  -0.03,  99.90,  -0.02,  -1.59,
12/08 11Z,   1.70,   2.38,  99.90,   2.48,  -1.59,
12/08 12Z,   1.60,   3.87,  99.90,   3.88,  -1.59,
12/08 13Z,   1.50,   4.25,  99.90,   4.16,  -1.59,  (max)
12/08 14Z,   1.40,   3.58,  99.90,   3.39,  -1.59,
12/08 15Z,   1.40,   2.11,  99.90,   1.92,  -1.59,
12/08 16Z,   1.30,   0.29,  99.90,  -0.00,  -1.59,
12/08 17Z,   1.30,  -1.26,  99.90,  -1.56,  -1.59,
12/08 18Z,   1.30,  -1.98,  99.90,  -2.27,  -1.59,  (min)
12/08 19Z,   1.40,  -1.59,  99.90,  -1.78,  -1.59,
12/08 20Z,   1.40,  -0.19,  99.90,  -0.39,  -1.59,
12/08 21Z,   1.40,   1.85,  99.90,   1.66,  -1.59,
12/08 22Z,   1.40,   4.02,  99.90,   3.82,  -1.59,
12/08 23Z,   1.40,   5.72,  99.90,   5.53,  -1.59,
12/09 00Z,   1.30,   6.46,  99.90,   6.17,  -1.59,  (max)
12/09 01Z,   1.30,   5.99,  99.90,   5.70,  -1.59,
12/09 02Z,   1.30,   4.36,  99.90,   4.06,  -1.59,
12/09 03Z,   1.40,   1.81,  99.90,   1.62,  -1.59,
12/09 04Z,   1.40,  -1.21,  99.90,  -1.40,  -1.59,
12/09 05Z,   1.50,  -4.07,  99.90,  -4.16,  -1.59,
12/09 06Z,   1.60,  -6.10,  99.90,  -6.09,  -1.59,
12/09 07Z,   1.50,  -6.83,  99.90,  -6.93,  -1.59,  (min)
12/09 08Z,   1.60,  -6.20,  99.90,  -6.20,  -1.59,
12/09 09Z,   1.60,  -4.46,  99.90,  -4.45,  -1.59,
12/09 10Z,   1.60,  -2.03,  99.90,  -2.02,  -1.59,
12/09 11Z,   1.40,   0.51,  99.90,   0.32,  -1.59,
12/09 12Z,   1.40,   2.59,  99.90,   2.40,  -1.59,
12/09 13Z,   1.40,   3.81,  99.90,   3.61,  -1.59,
12/09 14Z,   1.30,   4.02,  99.90,   3.73,  -1.59,  (max)
12/09 15Z,   1.10,   3.30,  99.90,   2.81,  -1.59,
12/09 16Z,   1.00,   1.89,  99.90,   1.30,  -1.59,
12/09 17Z,   1.10,   0.21,  99.90,  -0.28,  -1.59,
12/09 18Z,   1.10,  -1.17,  99.90,  -1.66,  -1.59,
12/09 19Z,   1.10,  -1.77,  99.90,  -2.26,  -1.59,  (min)
12/09 20Z,   1.10,  -1.39,  99.90,  -1.88,  -1.59,
12/09 21Z,   1.10,  -0.16,  99.90,  -0.66,  -1.59,
12/09 22Z,   1.20,   1.58,  99.90,   1.19,  -1.59,
12/09 23Z,   1.10,   3.39,  99.90,   2.90,  -1.59,
12/10 00Z,   1.00,   4.77,  99.90,   4.17,  -1.59,