EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
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Regions
Northeast
Mid-Atlantic
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Alaska
Gulf of Alaska
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Seattle, WA
Port Angeles, WA
Neah Bay, WA
Toke Point, WA
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Charleston, 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
#Charleston, SC : 12/16/2025 16:23:20 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 00Z,  -0.60,  -3.35,  -3.92,  99.90,   0.03,
12/15 01Z,  -0.50,  -4.29,  -4.97,  99.90,  -0.18,
12/15 02Z,  -0.50,  -5.01,  -5.26,  99.90,   0.25,
12/15 03Z,  -0.50,  -5.29,  -5.44,  99.90,   0.35,
12/15 04Z,  -0.40,  -4.98,  -5.46,  99.90,  -0.08,  (min)
12/15 05Z,  -0.30,  -4.13,  -4.68,  99.90,  -0.25,
12/15 06Z,  -0.30,  -2.99,  -3.74,  99.90,  -0.45,
12/15 07Z,  -0.20,  -1.88,  -2.25,  99.90,  -0.17,
12/15 08Z,  -0.20,  -1.00,  -1.24,  99.90,  -0.04,
12/15 09Z,  -0.20,  -0.51,  -0.63,  99.90,   0.08,
12/15 10Z,   0.00,  -0.51,  -0.42,  99.90,   0.09,  (max)
12/15 11Z,   0.10,  -1.05,  -0.86,  99.90,   0.09,
12/15 12Z,   0.20,  -1.97,  -1.62,  99.90,   0.15,
12/15 13Z,   0.20,  -3.08,  -2.67,  99.90,   0.21,
12/15 14Z,   0.10,  -4.14,  -3.72,  99.90,   0.32,
12/15 15Z,   0.10,  -4.88,  -4.48,  99.90,   0.30,
12/15 16Z,   0.10,  -5.04,  -4.58,  99.90,   0.36,  (min)
12/15 17Z,   0.10,  -4.56,  -4.15,  99.90,   0.31,
12/15 18Z,   0.30,  -3.63,  -3.34,  99.90,  -0.01,
12/15 19Z,   0.30,  -2.61,  -2.52,  99.90,  -0.21,
12/15 20Z,   0.30,  -1.78,  -1.93,  99.90,  -0.45,
12/15 21Z,   0.30,  -1.32,  -1.47,  99.90,  -0.45,
12/15 22Z,   0.30,  -1.32,  -1.26,  99.90,  -0.24,  (max)
12/15 23Z,   0.30,  -1.80,  -1.44,  99.90,   0.06,
12/16 00Z,   0.20,  -2.64,  -2.29,  99.90,   0.15,
12/16 01Z,   0.20,  -3.64,  -3.33,  99.90,   0.11,
12/16 02Z,   0.10,  -4.56,  -4.43,  99.90,   0.03,
12/16 03Z,   0.10,  -5.20,  -5.06,  99.90,   0.04,
12/16 04Z,   0.10,  -5.34,  -5.17,  99.90,   0.07,  (min)
12/16 05Z,   0.10,  -4.86,  -4.71,  99.90,   0.05,
12/16 06Z,   0.10,  -3.87,  -3.75,  99.90,   0.02,
12/16 07Z,   0.00,  -2.66,  -2.57,  99.90,   0.09,
12/16 08Z,   0.00,  -1.54,  -1.35,  99.90,   0.19,
12/16 09Z,   0.00,  -0.71,  -0.55,  99.90,   0.16,
12/16 10Z,   0.00,  -0.31,  -0.19,  99.90,   0.12,  (max)
12/16 11Z,   0.00,  -0.44,  -0.38,  99.90,   0.06,
12/16 12Z,   0.00,  -1.11,  -0.98,  99.90,   0.13,
12/16 13Z,   0.10,  -2.15,  -1.93,  99.90,   0.12,
12/16 14Z,   0.00,  -3.34,  -3.17,  99.90,   0.17,
12/16 15Z,   0.00,  -4.42,  -4.27,  99.90,   0.15,
12/16 16Z,   0.00,  -5.09,  -4.87,  99.90,   0.22,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/16 17Z,   0.00,  -5.12,  99.90,  -4.92,   0.20,  (min)
12/16 18Z,   0.00,  -4.50,  99.90,  -4.32,   0.17,
12/16 19Z,   0.00,  -3.48,  99.90,  -3.33,   0.15,
12/16 20Z,   0.10,  -2.45,  99.90,  -2.22,   0.13,
12/16 21Z,   0.10,  -1.66,  99.90,  -1.45,   0.11,
12/16 22Z,   0.10,  -1.27,  99.90,  -1.09,   0.09,  (max)
12/16 23Z,   0.10,  -1.39,  99.90,  -1.22,   0.07,
12/17 00Z,   0.00,  -1.99,  99.90,  -1.94,   0.04,
12/17 01Z,   0.00,  -2.92,  99.90,  -2.90,   0.02,
12/17 02Z,   0.00,  -3.95,  99.90,  -3.95,   0.00,
12/17 03Z,   0.00,  -4.84,  99.90,  -4.87,  -0.02,
12/17 04Z,   0.00,  -5.38,  99.90,  -5.42,  -0.04,  (min)
12/17 05Z,   0.00,  -5.35,  99.90,  -5.39,  -0.04,
12/17 06Z,   0.00,  -4.67,  99.90,  -4.72,  -0.04,
12/17 07Z,   0.00,  -3.54,  99.90,  -3.58,  -0.04,
12/17 08Z,   0.00,  -2.28,  99.90,  -2.32,  -0.04,
12/17 09Z,   0.00,  -1.18,  99.90,  -1.22,  -0.04,
12/17 10Z,  -0.10,  -0.43,  99.90,  -0.58,  -0.04,
12/17 11Z,  -0.10,  -0.16,  99.90,  -0.31,  -0.04,  (max)
12/17 12Z,   0.00,  -0.46,  99.90,  -0.50,  -0.04,
12/17 13Z,   0.00,  -1.29,  99.90,  -1.33,  -0.04,
12/17 14Z,  -0.10,  -2.45,  99.90,  -2.59,  -0.04,
12/17 15Z,  -0.20,  -3.70,  99.90,  -3.94,  -0.04,
12/17 16Z,  -0.10,  -4.74,  99.90,  -4.89,  -0.04,
12/17 17Z,  -0.20,  -5.29,  99.90,  -5.53,  -0.04,  (min)
12/17 18Z,  -0.20,  -5.13,  99.90,  -5.37,  -0.04,
12/17 19Z,  -0.20,  -4.34,  99.90,  -4.59,  -0.04,
12/17 20Z,  -0.10,  -3.25,  99.90,  -3.39,  -0.04,
12/17 21Z,   0.00,  -2.21,  99.90,  -2.26,  -0.04,
12/17 22Z,   0.00,  -1.49,  99.90,  -1.54,  -0.04,
12/17 23Z,   0.00,  -1.23,  99.90,  -1.27,  -0.04,  (max)
12/18 00Z,  -0.10,  -1.48,  99.90,  -1.62,  -0.04,
12/18 01Z,  -0.20,  -2.21,  99.90,  -2.45,  -0.04,
12/18 02Z,  -0.10,  -3.23,  99.90,  -3.37,  -0.04,
12/18 03Z,  -0.10,  -4.29,  99.90,  -4.43,  -0.04,
12/18 04Z,  -0.10,  -5.13,  99.90,  -5.27,  -0.04,
12/18 05Z,  -0.10,  -5.51,  99.90,  -5.66,  -0.04,  (min)
12/18 06Z,  -0.10,  -5.27,  99.90,  -5.41,  -0.04,
12/18 07Z,   0.00,  -4.39,  99.90,  -4.44,  -0.04,
12/18 08Z,   0.00,  -3.14,  99.90,  -3.18,  -0.04,
12/18 09Z,   0.00,  -1.87,  99.90,  -1.91,  -0.04,
12/18 10Z,   0.00,  -0.84,  99.90,  -0.89,  -0.04,
12/18 11Z,  -0.10,  -0.22,  99.90,  -0.36,  -0.04,
12/18 12Z,   0.00,  -0.11,  99.90,  -0.16,  -0.04,  (max)
12/18 13Z,   0.00,  -0.59,  99.90,  -0.63,  -0.04,
12/18 14Z,   0.00,  -1.57,  99.90,  -1.62,  -0.04,
12/18 15Z,   0.00,  -2.84,  99.90,  -2.89,  -0.04,
12/18 16Z,   0.00,  -4.11,  99.90,  -4.15,  -0.04,
12/18 17Z,   0.00,  -5.06,  99.90,  -5.10,  -0.04,
12/18 18Z,   0.00,  -5.41,  99.90,  -5.45,  -0.04,  (min)
12/18 19Z,   0.00,  -5.03,  99.90,  -5.07,  -0.04,
12/18 20Z,   0.00,  -4.08,  99.90,  -4.12,  -0.04,
12/18 21Z,   0.00,  -2.93,  99.90,  -2.97,  -0.04,
12/18 22Z,   0.00,  -1.95,  99.90,  -1.99,  -0.04,
12/18 23Z,  -0.10,  -1.34,  99.90,  -1.49,  -0.04,
12/19 00Z,  -0.10,  -1.22,  99.90,  -1.37,  -0.04,  (max)
12/19 01Z,  -0.20,  -1.63,  99.90,  -1.87,  -0.04,
12/19 02Z,  -0.30,  -2.49,  99.90,  -2.83,  -0.04,
12/19 03Z,  -0.30,  -3.59,  99.90,  -3.93,  -0.04,
12/19 04Z,  -0.30,  -4.64,  99.90,  -4.98,  -0.04,
12/19 05Z,  -0.20,  -5.38,  99.90,  -5.62,  -0.04,
12/19 06Z,  -0.10,  -5.57,  99.90,  -5.71,  -0.04,  (min)
12/19 07Z,  -0.10,  -5.09,  99.90,  -5.23,  -0.04,
12/19 08Z,  -0.20,  -4.02,  99.90,  -4.27,  -0.04,
12/19 09Z,  -0.20,  -2.69,  99.90,  -2.94,  -0.04,
12/19 10Z,  -0.50,  -1.46,  99.90,  -2.00,  -0.04,
12/19 11Z,  -0.70,  -0.56,  99.90,  -1.30,  -0.04,
12/19 12Z,  -0.60,  -0.10,  99.90,  -0.74,  -0.04,  (max)
12/19 13Z,  -0.60,  -0.17,  99.90,  -0.82,  -0.04,
12/19 14Z,  -0.70,  -0.83,  99.90,  -1.58,  -0.04,
12/19 15Z,  -0.90,  -1.96,  99.90,  -2.91,  -0.04,
12/19 16Z,  -1.20,  -3.30,  99.90,  -4.54,  -0.04,
12/19 17Z,  -1.20,  -4.52,  99.90,  -5.76,  -0.04,
12/19 18Z,  -1.20,  -5.30,  99.90,  -6.55,  -0.04,
12/19 19Z,  -1.10,  -5.41,  99.90,  -6.56,  -0.04,  (min)
12/19 20Z,  -1.10,  -4.80,  99.90,  -5.95,  -0.04,
12/19 21Z,  -1.00,  -3.72,  99.90,  -4.76,  -0.04,
12/19 22Z,  -0.80,  -2.57,  99.90,  -3.42,  -0.04,
12/19 23Z,  -0.80,  -1.69,  99.90,  -2.54,  -0.04,
12/20 00Z,  -0.80,  -1.24,  99.90,  -2.09,  -0.04,  (max)
12/20 01Z,  -0.80,  -1.29,  99.90,  -2.14,  -0.04,
12/20 02Z,  -0.90,  -1.86,  99.90,  -2.80,  -0.04,
12/20 03Z,  -0.90,  -2.84,  99.90,  -3.78,  -0.04,
12/20 04Z,  -0.60,  -3.99,  99.90,  -4.63,  -0.04,
12/20 05Z,  -0.40,  -4.98,  99.90,  -5.42,  -0.04,
12/20 06Z,  -0.30,  -5.56,  99.90,  -5.90,  -0.04,
12/20 07Z,  99.90,  -5.51,  99.90,  99.90,  -0.04,
12/20 08Z,  99.90,  -4.79,  99.90,  99.90,  -0.04,
12/20 09Z,  99.90,  -3.57,  99.90,  99.90,  -0.04,
12/20 10Z,  99.90,  -2.22,  99.90,  99.90,  -0.04,
12/20 11Z,  99.90,  -1.09,  99.90,  99.90,  -0.04,
12/20 12Z,  99.90,  -0.34,  99.90,  99.90,  -0.04,