EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
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Alaska
Gulf of Alaska
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Friday Harbor WA
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Seattle, WA
Port Angeles, WA
Neah Bay, WA
Toke Point, WA
Astoria, OR
South Beach, OR
Charleston, OR
Port Orford, OR
Crescent City, CA
North Spit, CA
Arena Cove, CA
Point Reyes, CA
Port Chicago, CA
San Francisco CA
Surge List
West Coast
#Charleston, OR : 12/14/2025 14:20:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/12 18Z,   0.00,   4.37,   4.13,  99.90,  -0.24,
12/12 19Z,   0.00,   3.37,   3.13,  99.90,  -0.24,
12/12 20Z,   0.00,   2.75,   2.43,  99.90,  -0.32,
12/12 21Z,   0.00,   2.64,   2.37,  99.90,  -0.27,  (min)
12/12 22Z,   0.00,   2.99,   2.72,  99.90,  -0.27,
12/12 23Z,   0.10,   3.66,   3.49,  99.90,  -0.27,
12/13 00Z,   0.10,   4.45,   4.18,  99.90,  -0.37,
12/13 01Z,   0.10,   5.15,   4.89,  99.90,  -0.36,
12/13 02Z,   0.20,   5.54,   5.29,  99.90,  -0.45,  (max)
12/13 03Z,   0.20,   5.47,   5.25,  99.90,  -0.42,
12/13 04Z,   0.20,   4.95,   4.79,  99.90,  -0.36,
12/13 05Z,   0.10,   4.14,   4.00,  99.90,  -0.24,
12/13 06Z,   0.00,   3.23,   3.14,  99.90,  -0.09,
12/13 07Z,   0.00,   2.45,   2.44,  99.90,  -0.01,
12/13 08Z,   0.00,   2.03,   2.10,  99.90,   0.07,  (min)
12/13 09Z,   0.00,   2.14,   2.23,  99.90,   0.09,
12/13 10Z,   0.00,   2.78,   2.85,  99.90,   0.07,
12/13 11Z,   0.00,   3.79,   3.94,  99.90,   0.15,
12/13 12Z,  -0.10,   5.00,   5.07,  99.90,   0.17,
12/13 13Z,   0.00,   6.18,   6.25,  99.90,   0.07,
12/13 14Z,   0.00,   7.06,   7.09,  99.90,   0.03,
12/13 15Z,   0.00,   7.43,   7.47,  99.90,   0.04,  (max)
12/13 16Z,   0.00,   7.20,   7.20,  99.90,   0.00,
12/13 17Z,   0.00,   6.42,   6.29,  99.90,  -0.13,
12/13 18Z,   0.10,   5.29,   5.20,  99.90,  -0.19,
12/13 19Z,   0.10,   4.02,   3.85,  99.90,  -0.27,
12/13 20Z,   0.10,   2.90,   2.84,  99.90,  -0.16,
12/13 21Z,   0.10,   2.19,   2.17,  99.90,  -0.12,
12/13 22Z,   0.20,   2.01,   1.94,  99.90,  -0.27,  (min)
12/13 23Z,   0.30,   2.34,   2.30,  99.90,  -0.34,
12/14 00Z,   0.30,   3.03,   3.08,  99.90,  -0.25,
12/14 01Z,   0.30,   3.89,   3.88,  99.90,  -0.31,
12/14 02Z,   0.30,   4.70,   4.67,  99.90,  -0.33,
12/14 03Z,   0.30,   5.23,   5.27,  99.90,  -0.26,
12/14 04Z,   0.30,   5.33,   5.47,  99.90,  -0.16,  (max)
12/14 05Z,   0.20,   5.01,   5.17,  99.90,  -0.04,
12/14 06Z,   0.10,   4.39,   4.52,  99.90,   0.03,
12/14 07Z,   0.10,   3.65,   3.81,  99.90,   0.06,
12/14 08Z,   0.10,   3.01,   3.25,  99.90,   0.14,
12/14 09Z,   0.10,   2.69,   2.96,  99.90,   0.17,  (min)
12/14 10Z,   0.10,   2.85,   3.21,  99.90,   0.26,
12/14 11Z,   0.30,   3.49,   3.79,  99.90,  -0.00,
12/14 12Z,   0.10,   4.48,   4.73,  99.90,   0.15,
12/14 13Z,   0.00,   5.62,   5.90,  99.90,   0.28,
12/14 14Z,   0.20,   6.68,   6.89,  99.90,   0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/14 15Z,   0.20,   7.42,  99.90,   7.61,  -0.00,
12/14 16Z,   0.20,   7.61,  99.90,   7.79,  -0.01,  (max)
12/14 17Z,   0.20,   7.18,  99.90,   7.35,  -0.02,
12/14 18Z,   0.30,   6.21,  99.90,   6.48,  -0.03,
12/14 19Z,   0.30,   4.91,  99.90,   5.17,  -0.04,
12/14 20Z,   0.10,   3.50,  99.90,   3.55,  -0.05,
12/14 21Z,   0.00,   2.28,  99.90,   2.23,  -0.06,
12/14 22Z,   0.10,   1.54,  99.90,   1.58,  -0.07,
12/14 23Z,   0.10,   1.40,  99.90,   1.42,  -0.07,  (min)
12/15 00Z,   0.30,   1.80,  99.90,   2.02,  -0.08,
12/15 01Z,   0.30,   2.60,  99.90,   2.81,  -0.09,
12/15 02Z,   0.30,   3.59,  99.90,   3.79,  -0.10,
12/15 03Z,   0.30,   4.54,  99.90,   4.74,  -0.10,
12/15 04Z,   0.20,   5.19,  99.90,   5.29,  -0.10,
12/15 05Z,   0.20,   5.42,  99.90,   5.52,  -0.10,  (max)
12/15 06Z,   0.10,   5.21,  99.90,   5.21,  -0.10,
12/15 07Z,   0.10,   4.70,  99.90,   4.70,  -0.10,
12/15 08Z,   0.20,   4.04,  99.90,   4.14,  -0.10,
12/15 09Z,   0.20,   3.47,  99.90,   3.57,  -0.10,
12/15 10Z,   0.10,   3.22,  99.90,   3.22,  -0.10,  (min)
12/15 11Z,   0.20,   3.45,  99.90,   3.55,  -0.10,
12/15 12Z,   0.30,   4.13,  99.90,   4.33,  -0.10,
12/15 13Z,   0.20,   5.11,  99.90,   5.21,  -0.10,
12/15 14Z,   0.20,   6.20,  99.90,   6.30,  -0.10,
12/15 15Z,   0.20,   7.16,  99.90,   7.26,  -0.10,
12/15 16Z,   0.20,   7.72,  99.90,   7.82,  -0.10,  (max)
12/15 17Z,   0.10,   7.69,  99.90,   7.69,  -0.10,
12/15 18Z,   0.10,   7.02,  99.90,   7.02,  -0.10,
12/15 19Z,   0.10,   5.84,  99.90,   5.84,  -0.10,
12/15 20Z,   0.10,   4.34,  99.90,   4.34,  -0.10,
12/15 21Z,   0.20,   2.82,  99.90,   2.91,  -0.10,
12/15 22Z,   0.30,   1.58,  99.90,   1.77,  -0.10,
12/15 23Z,   0.40,   0.90,  99.90,   1.20,  -0.10,
12/16 00Z,   0.30,   0.89,  99.90,   1.08,  -0.10,  (min)
12/16 01Z,   0.20,   1.46,  99.90,   1.56,  -0.10,
12/16 02Z,   0.20,   2.43,  99.90,   2.53,  -0.10,
12/16 03Z,   0.20,   3.59,  99.90,   3.69,  -0.10,
12/16 04Z,   0.20,   4.66,  99.90,   4.76,  -0.10,
12/16 05Z,   0.10,   5.39,  99.90,   5.39,  -0.10,
12/16 06Z,   0.00,   5.66,  99.90,   5.56,  -0.10,  (max)
12/16 07Z,   0.10,   5.48,  99.90,   5.47,  -0.10,
12/16 08Z,   0.10,   4.97,  99.90,   4.97,  -0.10,
12/16 09Z,   0.00,   4.33,  99.90,   4.23,  -0.10,
12/16 10Z,   0.00,   3.80,  99.90,   3.70,  -0.10,
12/16 11Z,   0.10,   3.62,  99.90,   3.62,  -0.10,  (min)
12/16 12Z,   0.00,   3.94,  99.90,   3.83,  -0.10,
12/16 13Z,   0.00,   4.68,  99.90,   4.58,  -0.10,
12/16 14Z,   0.20,   5.69,  99.90,   5.79,  -0.10,
12/16 15Z,   0.20,   6.74,  99.90,   6.84,  -0.10,
12/16 16Z,   0.20,   7.57,  99.90,   7.67,  -0.10,
12/16 17Z,   0.10,   7.93,  99.90,   7.93,  -0.10,  (max)
12/16 18Z,   0.20,   7.65,  99.90,   7.75,  -0.10,
12/16 19Z,   0.20,   6.72,  99.90,   6.82,  -0.10,
12/16 20Z,   0.20,   5.30,  99.90,   5.40,  -0.10,
12/16 21Z,   0.20,   3.64,  99.90,   3.73,  -0.10,
12/16 22Z,   0.30,   2.05,  99.90,   2.25,  -0.10,
12/16 23Z,   0.40,   0.87,  99.90,   1.17,  -0.10,
12/17 00Z,   0.40,   0.36,  99.90,   0.66,  -0.10,  (min)
12/17 01Z,   0.40,   0.57,  99.90,   0.87,  -0.10,
12/17 02Z,   0.40,   1.37,  99.90,   1.67,  -0.10,
12/17 03Z,   0.50,   2.55,  99.90,   2.95,  -0.10,
12/17 04Z,   0.50,   3.85,  99.90,   4.25,  -0.10,
12/17 05Z,   0.40,   4.99,  99.90,   5.29,  -0.10,
12/17 06Z,   0.40,   5.73,  99.90,   6.03,  -0.10,
12/17 07Z,   0.60,   5.94,  99.90,   6.44,  -0.10,  (max)
12/17 08Z,   0.70,   5.69,  99.90,   6.29,  -0.10,
12/17 09Z,   0.90,   5.13,  99.90,   5.92,  -0.10,
12/17 10Z,   0.50,   4.47,  99.90,   4.87,  -0.10,
12/17 11Z,   0.60,   3.98,  99.90,   4.48,  -0.10,
12/17 12Z,   0.40,   3.91,  99.90,   4.21,  -0.10,  (min)
12/17 13Z,   0.20,   4.34,  99.90,   4.44,  -0.10,
12/17 14Z,   0.30,   5.18,  99.90,   5.38,  -0.10,
12/17 15Z,   0.30,   6.22,  99.90,   6.42,  -0.10,
12/17 16Z,   0.10,   7.22,  99.90,   7.21,  -0.10,
12/17 17Z,   0.00,   7.90,  99.90,   7.80,  -0.10,
12/17 18Z,   0.00,   8.02,  99.90,   7.92,  -0.10,  (max)
12/17 19Z,   0.00,   7.46,  99.90,   7.35,  -0.10,
12/17 20Z,   0.00,   6.25,  99.90,   6.15,  -0.10,
12/17 21Z,   0.00,   4.61,  99.90,   4.51,  -0.10,
12/17 22Z,   0.00,   2.84,  99.90,   2.74,  -0.10,
12/17 23Z,   0.10,   1.27,  99.90,   1.27,  -0.10,
12/18 00Z,   0.00,   0.25,  99.90,   0.15,  -0.10,
12/18 01Z,   0.00,  -0.01,  99.90,  -0.11,  -0.10,  (min)
12/18 02Z,   0.10,   0.49,  99.90,   0.48,  -0.10,
12/18 03Z,   0.10,   1.54,  99.90,   1.54,  -0.10,
12/18 04Z,   0.10,   2.91,  99.90,   2.91,  -0.10,
12/18 05Z,   0.10,   4.30,  99.90,   4.30,  -0.10,
12/18 06Z,   0.10,   5.44,  99.90,   5.44,  -0.10,