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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Cherry Point, WA
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 : 04/14/2026 05:22:39 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 12Z,   0.70,   4.22,   4.98,  99.90,   0.06,
04/12 13Z,   0.70,   4.91,   5.62,  99.90,   0.01,
04/12 14Z,   0.70,   5.58,   6.25,  99.90,  -0.03,
04/12 15Z,   0.70,   6.02,   6.63,  99.90,  -0.09,
04/12 16Z,   0.60,   6.06,   6.67,  99.90,   0.01,  (max)
04/12 17Z,   0.60,   5.59,   6.21,  99.90,   0.02,
04/12 18Z,   0.80,   4.69,   5.25,  99.90,  -0.24,
04/12 19Z,   0.70,   3.53,   4.05,  99.90,  -0.18,
04/12 20Z,   0.70,   2.36,   2.92,  99.90,  -0.14,
04/12 21Z,   0.70,   1.41,   1.94,  99.90,  -0.17,
04/12 22Z,   0.70,   0.90,   1.50,  99.90,  -0.10,
04/12 23Z,   0.70,   0.96,   1.47,  99.90,  -0.19,  (min)
04/13 00Z,   0.50,   1.58,   2.07,  99.90,  -0.01,
04/13 01Z,   0.50,   2.58,   3.09,  99.90,   0.01,
04/13 02Z,   0.50,   3.76,   4.23,  99.90,  -0.03,
04/13 03Z,   0.50,   4.90,   5.32,  99.90,  -0.08,
04/13 04Z,   0.40,   5.74,   6.20,  99.90,   0.06,
04/13 05Z,   0.40,   6.09,   6.57,  99.90,   0.08,  (max)
04/13 06Z,   0.20,   5.89,   6.39,  99.90,   0.30,
04/13 07Z,   0.20,   5.25,   5.77,  99.90,   0.32,
04/13 08Z,   0.20,   4.37,   4.84,  99.90,   0.27,
04/13 09Z,   0.20,   3.48,   3.94,  99.90,   0.26,
04/13 10Z,   0.20,   2.85,   3.31,  99.90,   0.26,
04/13 11Z,   0.20,   2.67,   3.08,  99.90,   0.21,  (min)
04/13 12Z,   0.20,   3.01,   3.37,  99.90,   0.16,
04/13 13Z,   0.20,   3.75,   4.04,  99.90,   0.09,
04/13 14Z,   0.20,   4.69,   4.93,  99.90,   0.04,
04/13 15Z,   0.20,   5.59,   5.79,  99.90,   0.00,
04/13 16Z,   0.10,   6.19,   6.43,  99.90,   0.14,
04/13 17Z,   0.10,   6.29,   6.49,  99.90,   0.10,  (max)
04/13 18Z,   0.20,   5.78,   5.90,  99.90,  -0.08,
04/13 19Z,   0.20,   4.76,   4.82,  99.90,  -0.14,
04/13 20Z,   0.20,   3.47,   3.52,  99.90,  -0.15,
04/13 21Z,   0.10,   2.19,   2.24,  99.90,  -0.05,
04/13 22Z,   0.10,   1.20,   1.29,  99.90,  -0.01,
04/13 23Z,   0.20,   0.77,   0.89,  99.90,  -0.08,  (min)
04/14 00Z,   0.20,   1.03,   1.11,  99.90,  -0.12,
04/14 01Z,   0.20,   1.89,   2.03,  99.90,  -0.06,
04/14 02Z,   0.20,   3.14,   3.21,  99.90,  -0.13,
04/14 03Z,   0.20,   4.51,   4.58,  99.90,  -0.13,
04/14 04Z,   0.20,   5.72,   5.81,  99.90,  -0.11,
04/14 05Z,   0.10,   6.48,   6.62,  99.90,   0.04,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 06Z,   0.20,   6.60,  99.90,   6.83,   0.04,  (max)
04/14 07Z,   0.10,   6.05,  99.90,   6.18,   0.03,
04/14 08Z,   0.20,   5.02,  99.90,   5.25,   0.03,
04/14 09Z,   0.30,   3.77,  99.90,   4.10,   0.03,
04/14 10Z,   0.20,   2.62,  99.90,   2.85,   0.03,
04/14 11Z,   0.20,   1.89,  99.90,   2.11,   0.02,
04/14 12Z,   0.20,   1.79,  99.90,   2.02,   0.02,  (min)
04/14 13Z,   0.30,   2.36,  99.90,   2.68,   0.02,
04/14 14Z,   0.30,   3.39,  99.90,   3.71,   0.01,
04/14 15Z,   0.30,   4.62,  99.90,   4.93,   0.01,
04/14 16Z,   0.30,   5.74,  99.90,   6.05,   0.01,
04/14 17Z,   0.30,   6.46,  99.90,   6.76,   0.01,
04/14 18Z,   0.30,   6.54,  99.90,   6.85,   0.01,  (max)
04/14 19Z,   0.30,   5.93,  99.90,   6.23,   0.01,
04/14 20Z,   0.30,   4.76,  99.90,   5.06,   0.01,
04/14 21Z,   0.30,   3.32,  99.90,   3.63,   0.01,
04/14 22Z,   0.30,   1.98,  99.90,   2.28,   0.01,
04/14 23Z,   0.30,   1.05,  99.90,   1.36,   0.01,
04/15 00Z,   0.40,   0.81,  99.90,   1.22,   0.01,  (min)
04/15 01Z,   0.40,   1.35,  99.90,   1.76,   0.01,
04/15 02Z,   0.40,   2.52,  99.90,   2.93,   0.01,
04/15 03Z,   0.40,   4.01,  99.90,   4.42,   0.01,
04/15 04Z,   0.40,   5.51,  99.90,   5.91,   0.01,
04/15 05Z,   0.50,   6.67,  99.90,   7.17,   0.01,
04/15 06Z,   0.40,   7.20,  99.90,   7.61,   0.01,  (max)
04/15 07Z,   0.40,   6.95,  99.90,   7.35,   0.01,
04/15 08Z,   0.60,   5.95,  99.90,   6.56,   0.01,
04/15 09Z,   0.60,   4.47,  99.90,   5.08,   0.01,
04/15 10Z,   0.60,   2.88,  99.90,   3.48,   0.01,
04/15 11Z,   0.60,   1.55,  99.90,   2.15,   0.01,
04/15 12Z,   0.70,   0.84,  99.90,   1.55,   0.01,  (min)
04/15 13Z,   0.80,   0.95,  99.90,   1.76,   0.01,
04/15 14Z,   0.70,   1.82,  99.90,   2.53,   0.01,
04/15 15Z,   0.70,   3.19,  99.90,   3.89,   0.01,
04/15 16Z,   0.60,   4.69,  99.90,   5.30,   0.01,
04/15 17Z,   0.60,   5.98,  99.90,   6.59,   0.01,
04/15 18Z,   0.50,   6.74,  99.90,   7.25,   0.01,  (max)
04/15 19Z,   0.40,   6.75,  99.90,   7.15,   0.01,
04/15 20Z,   0.40,   5.98,  99.90,   6.38,   0.01,
04/15 21Z,   0.40,   4.65,  99.90,   5.06,   0.01,
04/15 22Z,   0.40,   3.13,  99.90,   3.54,   0.01,
04/15 23Z,   0.40,   1.81,  99.90,   2.21,   0.01,
04/16 00Z,   0.40,   1.05,  99.90,   1.46,   0.01,  (min)
04/16 01Z,   0.40,   1.10,  99.90,   1.51,   0.01,
04/16 02Z,   0.40,   1.97,  99.90,   2.38,   0.01,
04/16 03Z,   0.40,   3.43,  99.90,   3.83,   0.01,
04/16 04Z,   0.30,   5.09,  99.90,   5.40,   0.01,
04/16 05Z,   0.30,   6.59,  99.90,   6.90,   0.01,
04/16 06Z,   0.30,   7.57,  99.90,   7.88,   0.01,
04/16 07Z,   0.20,   7.76,  99.90,   7.96,   0.01,  (max)
04/16 08Z,   0.30,   7.04,  99.90,   7.34,   0.01,
04/16 09Z,   0.20,   5.56,  99.90,   5.76,   0.01,
04/16 10Z,   0.20,   3.67,  99.90,   3.87,   0.01,
04/16 11Z,   0.20,   1.81,  99.90,   2.01,   0.01,
04/16 12Z,   0.20,   0.42,  99.90,   0.63,   0.01,
04/16 13Z,   0.20,  -0.13,  99.90,   0.07,   0.01,  (min)
04/16 14Z,   0.10,   0.27,  99.90,   0.37,   0.01,
04/16 15Z,   0.20,   1.48,  99.90,   1.69,   0.01,
04/16 16Z,   0.10,   3.15,  99.90,   3.25,   0.01,
04/16 17Z,   0.10,   4.86,  99.90,   4.97,   0.01,
04/16 18Z,   0.10,   6.24,  99.90,   6.35,   0.01,
04/16 19Z,   0.10,   6.97,  99.90,   7.07,   0.01,  (max)
04/16 20Z,   0.10,   6.84,  99.90,   6.95,   0.01,
04/16 21Z,   0.00,   5.92,  99.90,   5.92,   0.01,
04/16 22Z,   0.10,   4.48,  99.90,   4.59,   0.01,
04/16 23Z,   0.20,   2.95,  99.90,   3.16,   0.01,
04/17 00Z,   0.10,   1.76,  99.90,   1.86,   0.01,
04/17 01Z,   0.20,   1.26,  99.90,   1.47,   0.01,  (min)
04/17 02Z,   0.20,   1.65,  99.90,   1.85,   0.01,
04/17 03Z,   0.20,   2.83,  99.90,   3.04,   0.01,
04/17 04Z,   0.20,   4.50,  99.90,   4.70,   0.01,
04/17 05Z,   0.20,   6.22,  99.90,   6.42,   0.01,
04/17 06Z,   0.10,   7.59,  99.90,   7.69,   0.01,
04/17 07Z,   0.10,   8.27,  99.90,   8.38,   0.01,  (max)
04/17 08Z,   0.20,   8.03,  99.90,   8.24,   0.01,
04/17 09Z,   0.20,   6.83,  99.90,   7.04,   0.01,
04/17 10Z,   0.10,   4.91,  99.90,   5.02,   0.01,
04/17 11Z,   0.10,   2.71,  99.90,   2.82,   0.01,
04/17 12Z,   0.20,   0.73,  99.90,   0.94,   0.01,
04/17 13Z,   0.20,  -0.57,  99.90,  -0.37,   0.01,
04/17 14Z,   0.20,  -0.89,  99.90,  -0.69,   0.01,  (min)
04/17 15Z,   0.20,  -0.17,  99.90,   0.04,   0.01,
04/17 16Z,   0.20,   1.35,  99.90,   1.56,   0.01,
04/17 17Z,   0.20,   3.24,  99.90,   3.45,   0.01,
04/17 18Z,   0.20,   5.07,  99.90,   5.27,   0.01,
04/17 19Z,   0.20,   6.44,  99.90,   6.65,   0.01,
04/17 20Z,   0.20,   7.06,  99.90,   7.27,   0.01,  (max)
04/17 21Z,   0.20,   6.79,  99.90,   7.00,   0.01,
04/17 22Z,   0.30,   5.75,  99.90,   6.06,   0.01,
04/17 23Z,   0.30,   4.29,  99.90,   4.59,   0.01,
04/18 00Z,   0.30,   2.85,  99.90,   3.15,   0.01,