EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
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Gulf of Alaska
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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
#Arena Cove, CA : 02/14/2026 12:21:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/12 12Z,   0.30,   4.91,   5.12,  99.90,  -0.09,
02/12 13Z,   0.30,   5.40,   5.56,  99.90,  -0.14,
02/12 14Z,   0.30,   5.73,   5.87,  99.90,  -0.16,
02/12 15Z,   0.30,   5.77,   5.91,  99.90,  -0.16,  (max)
02/12 16Z,   0.30,   5.46,   5.62,  99.90,  -0.14,
02/12 17Z,   0.30,   4.78,   4.99,  99.90,  -0.09,
02/12 18Z,   0.30,   3.82,   4.03,  99.90,  -0.09,
02/12 19Z,   0.30,   2.73,   2.91,  99.90,  -0.12,
02/12 20Z,   0.30,   1.69,   1.93,  99.90,  -0.06,
02/12 21Z,   0.30,   0.89,   1.10,  99.90,  -0.09,
02/12 22Z,   0.30,   0.47,   0.71,  99.90,  -0.06,  (min)
02/12 23Z,   0.30,   0.47,   0.73,  99.90,  -0.04,
02/13 00Z,   0.30,   0.89,   1.11,  99.90,  -0.08,
02/13 01Z,   0.40,   1.60,   1.84,  99.90,  -0.16,
02/13 02Z,   0.40,   2.45,   2.60,  99.90,  -0.25,
02/13 03Z,   0.40,   3.26,   3.40,  99.90,  -0.26,
02/13 04Z,   0.40,   3.87,   3.94,  99.90,  -0.33,
02/13 05Z,   0.40,   4.21,   4.29,  99.90,  -0.32,
02/13 06Z,   0.30,   4.27,   4.35,  99.90,  -0.22,  (max)
02/13 07Z,   0.30,   4.11,   4.25,  99.90,  -0.16,
02/13 08Z,   0.40,   3.87,   3.99,  99.90,  -0.28,
02/13 09Z,   0.30,   3.69,   3.83,  99.90,  -0.16,
02/13 10Z,   0.30,   3.70,   3.82,  99.90,  -0.18,  (min)
02/13 11Z,   0.40,   3.95,   4.15,  99.90,  -0.20,
02/13 12Z,   0.30,   4.42,   4.68,  99.90,  -0.04,
02/13 13Z,   0.40,   5.01,   5.22,  99.90,  -0.19,
02/13 14Z,   0.40,   5.58,   5.78,  99.90,  -0.20,
02/13 15Z,   0.30,   5.93,   6.06,  99.90,  -0.17,  (max)
02/13 16Z,   0.40,   5.94,   6.04,  99.90,  -0.30,
02/13 17Z,   0.40,   5.52,   5.61,  99.90,  -0.31,
02/13 18Z,   0.50,   4.69,   4.80,  99.90,  -0.39,
02/13 19Z,   0.40,   3.58,   3.70,  99.90,  -0.28,
02/13 20Z,   0.50,   2.35,   2.44,  99.90,  -0.41,
02/13 21Z,   0.50,   1.25,   1.28,  99.90,  -0.47,
02/13 22Z,   0.40,   0.46,   0.59,  99.90,  -0.27,
02/13 23Z,   0.40,   0.14,   0.13,  99.90,  -0.41,  (min)
02/14 00Z,   0.60,   0.31,   0.39,  99.90,  -0.52,
02/14 01Z,   0.60,   0.93,   1.07,  99.90,  -0.46,
02/14 02Z,   0.60,   1.83,   1.93,  99.90,  -0.50,
02/14 03Z,   0.60,   2.81,   2.79,  99.90,  -0.62,
02/14 04Z,   0.60,   3.66,   3.67,  99.90,  -0.59,
02/14 05Z,   0.60,   4.24,   4.29,  99.90,  -0.55,
02/14 06Z,   0.60,   4.46,   4.54,  99.90,  -0.52,  (max)
02/14 07Z,   0.60,   4.36,   4.36,  99.90,  -0.60,
02/14 08Z,   0.60,   4.05,   4.19,  99.90,  -0.46,
02/14 09Z,   0.60,   3.70,   3.96,  99.90,  -0.34,
02/14 10Z,   0.60,   3.48,   3.80,  99.90,  -0.28,  (min)
02/14 11Z,   0.60,   3.53,   3.85,  99.90,  -0.28,
02/14 12Z,   0.70,   3.88,   4.24,  99.90,  -0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/14 13Z,   0.70,   4.49,  99.90,   4.85,  -0.34,
02/14 14Z,   0.70,   5.20,  99.90,   5.56,  -0.34,
02/14 15Z,   0.70,   5.83,  99.90,   6.19,  -0.34,
02/14 16Z,   0.70,   6.17,  99.90,   6.53,  -0.35,  (max)
02/14 17Z,   0.70,   6.08,  99.90,   6.43,  -0.35,
02/14 18Z,   0.70,   5.49,  99.90,   5.84,  -0.35,
02/14 19Z,   0.70,   4.47,  99.90,   4.82,  -0.35,
02/14 20Z,   0.80,   3.17,  99.90,   3.62,  -0.35,
02/14 21Z,   0.80,   1.85,  99.90,   2.30,  -0.35,
02/14 22Z,   0.70,   0.74,  99.90,   1.09,  -0.35,
02/14 23Z,   0.80,   0.06,  99.90,   0.51,  -0.35,
02/15 00Z,   0.80,  -0.07,  99.90,   0.38,  -0.36,  (min)
02/15 01Z,   0.80,   0.35,  99.90,   0.79,  -0.36,
02/15 02Z,   0.80,   1.20,  99.90,   1.65,  -0.36,
02/15 03Z,   0.90,   2.28,  99.90,   2.82,  -0.36,
02/15 04Z,   0.90,   3.33,  99.90,   3.88,  -0.36,
02/15 05Z,   0.90,   4.15,  99.90,   4.70,  -0.36,
02/15 06Z,   0.90,   4.59,  99.90,   5.14,  -0.36,
02/15 07Z,   0.90,   4.62,  99.90,   5.16,  -0.36,  (max)
02/15 08Z,   0.90,   4.31,  99.90,   4.85,  -0.36,
02/15 09Z,   0.90,   3.83,  99.90,   4.37,  -0.36,
02/15 10Z,   1.00,   3.40,  99.90,   4.04,  -0.36,
02/15 11Z,   1.00,   3.20,  99.90,   3.84,  -0.36,  (min)
02/15 12Z,   1.00,   3.35,  99.90,   3.99,  -0.36,
02/15 13Z,   1.00,   3.86,  99.90,   4.50,  -0.36,
02/15 14Z,   1.10,   4.63,  99.90,   5.37,  -0.36,
02/15 15Z,   1.10,   5.45,  99.90,   6.20,  -0.36,
02/15 16Z,   1.10,   6.10,  99.90,   6.84,  -0.36,
02/15 17Z,   1.10,   6.36,  99.90,   7.10,  -0.36,  (max)
02/15 18Z,   1.10,   6.09,  99.90,   6.84,  -0.36,
02/15 19Z,   1.10,   5.29,  99.90,   6.04,  -0.36,
02/15 20Z,   1.10,   4.06,  99.90,   4.81,  -0.36,
02/15 21Z,   1.10,   2.63,  99.90,   3.38,  -0.36,
02/15 22Z,   1.10,   1.28,  99.90,   2.02,  -0.36,
02/15 23Z,   1.10,   0.26,  99.90,   1.01,  -0.36,
02/16 00Z,   1.20,  -0.21,  99.90,   0.64,  -0.36,  (min)
02/16 01Z,   1.20,  -0.06,  99.90,   0.78,  -0.36,
02/16 02Z,   1.20,   0.64,  99.90,   1.49,  -0.36,
02/16 03Z,   1.20,   1.72,  99.90,   2.57,  -0.36,
02/16 04Z,   1.20,   2.92,  99.90,   3.76,  -0.36,
02/16 05Z,   1.20,   3.97,  99.90,   4.81,  -0.36,
02/16 06Z,   1.20,   4.65,  99.90,   5.50,  -0.36,
02/16 07Z,   1.20,   4.86,  99.90,   5.71,  -0.36,  (max)
02/16 08Z,   1.20,   4.63,  99.90,   5.48,  -0.36,
02/16 09Z,   1.20,   4.10,  99.90,   4.94,  -0.36,
02/16 10Z,   1.20,   3.48,  99.90,   4.32,  -0.36,
02/16 11Z,   1.20,   3.01,  99.90,   3.86,  -0.36,
02/16 12Z,   1.20,   2.89,  99.90,   3.74,  -0.36,  (min)
02/16 13Z,   1.20,   3.20,  99.90,   4.04,  -0.36,
02/16 14Z,   1.20,   3.89,  99.90,   4.73,  -0.36,
02/16 15Z,   1.20,   4.80,  99.90,   5.64,  -0.36,
02/16 16Z,   1.20,   5.69,  99.90,   6.53,  -0.36,
02/16 17Z,   1.20,   6.29,  99.90,   7.13,  -0.36,
02/16 18Z,   1.30,   6.40,  99.90,   7.35,  -0.36,  (max)
02/16 19Z,   1.20,   5.93,  99.90,   6.77,  -0.36,
02/16 20Z,   1.30,   4.91,  99.90,   5.85,  -0.36,
02/16 21Z,   1.30,   3.52,  99.90,   4.46,  -0.36,
02/16 22Z,   1.30,   2.03,  99.90,   2.97,  -0.36,
02/16 23Z,   1.30,   0.75,  99.90,   1.70,  -0.36,
02/17 00Z,   1.30,  -0.06,  99.90,   0.89,  -0.36,
02/17 01Z,   1.20,  -0.23,  99.90,   0.61,  -0.36,  (min)
02/17 02Z,   1.20,   0.23,  99.90,   1.08,  -0.36,
02/17 03Z,   1.20,   1.21,  99.90,   2.06,  -0.36,
02/17 04Z,   1.10,   2.46,  99.90,   3.21,  -0.36,
02/17 05Z,   1.00,   3.69,  99.90,   4.33,  -0.36,
02/17 06Z,   1.00,   4.62,  99.90,   5.26,  -0.36,
02/17 07Z,   1.00,   5.07,  99.90,   5.72,  -0.36,  (max)
02/17 08Z,   1.00,   5.00,  99.90,   5.64,  -0.36,
02/17 09Z,   1.00,   4.49,  99.90,   5.13,  -0.36,
02/17 10Z,   1.00,   3.74,  99.90,   4.39,  -0.36,
02/17 11Z,   1.00,   3.03,  99.90,   3.68,  -0.36,
02/17 12Z,   1.00,   2.59,  99.90,   3.24,  -0.36,  (min)
02/17 13Z,   1.00,   2.60,  99.90,   3.24,  -0.36,
02/17 14Z,   1.00,   3.08,  99.90,   3.73,  -0.36,
02/17 15Z,   1.00,   3.93,  99.90,   4.58,  -0.36,
02/17 16Z,   1.00,   4.94,  99.90,   5.59,  -0.36,
02/17 17Z,   1.00,   5.82,  99.90,   6.47,  -0.36,
02/17 18Z,   1.00,   6.32,  99.90,   6.97,  -0.36,  (max)
02/17 19Z,   1.00,   6.25,  99.90,   6.90,  -0.36,
02/17 20Z,   1.00,   5.57,  99.90,   6.21,  -0.36,
02/17 21Z,   1.00,   4.38,  99.90,   5.03,  -0.36,
02/17 22Z,   1.00,   2.92,  99.90,   3.56,  -0.36,
02/17 23Z,   1.00,   1.49,  99.90,   2.14,  -0.36,
02/18 00Z,   1.10,   0.41,  99.90,   1.15,  -0.36,