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
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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
#Seward, AK : 04/25/2025 21:20:46 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/24 06Z,   0.70,   8.27,   7.79,  99.90,  -1.18,
04/24 07Z,   0.70,   9.03,   8.59,  99.90,  -1.14,  (max)
04/24 08Z,   0.70,   8.86,   8.36,  99.90,  -1.20,
04/24 09Z,   0.80,   7.82,   7.41,  99.90,  -1.21,
04/24 10Z,   0.70,   6.13,   5.79,  99.90,  -1.04,
04/24 11Z,   0.70,   4.25,   3.97,  99.90,  -0.98,
04/24 12Z,   0.80,   2.69,   2.41,  99.90,  -1.08,
04/24 13Z,   0.70,   1.90,   1.57,  99.90,  -1.03,  (min)
04/24 14Z,   0.70,   2.04,   1.71,  99.90,  -1.03,
04/24 15Z,   0.70,   3.07,   2.58,  99.90,  -1.19,
04/24 16Z,   0.70,   4.73,   4.29,  99.90,  -1.14,
04/24 17Z,   0.70,   6.61,   6.07,  99.90,  -1.24,
04/24 18Z,   0.70,   8.19,   7.62,  99.90,  -1.27,
04/24 19Z,   0.80,   9.00,   8.51,  99.90,  -1.29,  (max)
04/24 20Z,   0.80,   8.84,   8.31,  99.90,  -1.33,
04/24 21Z,   0.80,   7.74,   7.13,  99.90,  -1.41,
04/24 22Z,   0.80,   5.90,   5.38,  99.90,  -1.32,
04/24 23Z,   0.90,   3.72,   3.17,  99.90,  -1.45,
04/25 00Z,   0.80,   1.76,   1.04,  99.90,  -1.52,
04/25 01Z,   0.80,   0.58,  -0.07,  99.90,  -1.45,
04/25 02Z,   0.80,   0.49,  -0.15,  99.90,  -1.44,  (min)
04/25 03Z,   0.80,   1.51,   0.86,  99.90,  -1.45,
04/25 04Z,   0.80,   3.44,   2.79,  99.90,  -1.45,
04/25 05Z,   0.80,   5.84,   5.30,  99.90,  -1.34,
04/25 06Z,   0.80,   8.14,   7.62,  99.90,  -1.32,
04/25 07Z,   0.80,   9.72,   9.24,  99.90,  -1.28,
04/25 08Z,   0.80,  10.22,   9.75,  99.90,  -1.27,  (max)
04/25 09Z,   0.80,   9.54,   9.04,  99.90,  -1.30,
04/25 10Z,   0.90,   7.83,   7.44,  99.90,  -1.29,
04/25 11Z,   0.90,   5.45,   5.18,  99.90,  -1.17,
04/25 12Z,   0.80,   2.98,   2.62,  99.90,  -1.16,
04/25 13Z,   0.80,   1.08,   0.70,  99.90,  -1.18,
04/25 14Z,   0.70,   0.24,  -0.06,  99.90,  -1.00,  (min)
04/25 15Z,   0.70,   0.63,   0.32,  99.90,  -1.01,
04/25 16Z,   0.80,   2.12,   1.69,  99.90,  -1.23,
04/25 17Z,   0.80,   4.34,   3.91,  99.90,  -1.23,
04/25 18Z,   0.90,   6.73,   6.31,  99.90,  -1.32,
04/25 19Z,   0.90,   8.64,   8.15,  99.90,  -1.39,
04/25 20Z,   0.90,   9.57,   9.01,  99.90,  -1.46,  (max)
04/25 21Z,   0.90,   9.33,   8.72,  99.90,  -1.51,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/25 22Z,   0.90,   7.99,  99.90,   7.42,  -1.47,
04/25 23Z,   0.80,   5.86,  99.90,   5.22,  -1.44,
04/26 00Z,   0.80,   3.45,  99.90,   2.84,  -1.41,
04/26 01Z,   0.80,   1.43,  99.90,   0.86,  -1.38,
04/26 02Z,   0.70,   0.41,  99.90,  -0.23,  -1.34,  (min)
04/26 03Z,   0.70,   0.68,  99.90,   0.07,  -1.31,
04/26 04Z,   0.80,   2.19,  99.90,   1.71,  -1.28,
04/26 05Z,   0.70,   4.61,  99.90,   4.06,  -1.25,
04/26 06Z,   0.70,   7.37,  99.90,   6.85,  -1.22,
04/26 07Z,   0.70,   9.76,  99.90,   9.27,  -1.18,
04/26 08Z,   0.70,  11.13,  99.90,  10.68,  -1.15,
04/26 09Z,   0.70,  11.16,  99.90,  10.74,  -1.12,  (max)
04/26 10Z,   0.60,   9.83,  99.90,   9.31,  -1.12,
04/26 11Z,   0.60,   7.39,  99.90,   6.87,  -1.12,
04/26 12Z,   0.50,   4.37,  99.90,   3.75,  -1.12,
04/26 13Z,   0.50,   1.46,  99.90,   0.84,  -1.12,
04/26 14Z,   0.50,  -0.58,  99.90,  -1.20,  -1.12,
04/26 15Z,   0.50,  -1.26,  99.90,  -1.88,  -1.12,  (min)
04/26 16Z,   0.50,  -0.47,  99.90,  -1.09,  -1.12,
04/26 17Z,   0.50,   1.55,  99.90,   0.93,  -1.12,
04/26 18Z,   0.60,   4.30,  99.90,   3.78,  -1.12,
04/26 19Z,   0.60,   7.06,  99.90,   6.54,  -1.12,
04/26 20Z,   0.60,   9.13,  99.90,   8.61,  -1.12,
04/26 21Z,   0.60,  10.01,  99.90,   9.49,  -1.12,  (max)
04/26 22Z,   0.60,   9.58,  99.90,   9.06,  -1.12,
04/26 23Z,   0.60,   7.98,  99.90,   7.46,  -1.12,
04/27 00Z,   0.70,   5.61,  99.90,   5.19,  -1.12,
04/27 01Z,   0.60,   3.11,  99.90,   2.59,  -1.12,
04/27 02Z,   0.60,   1.21,  99.90,   0.69,  -1.12,
04/27 03Z,   0.60,   0.51,  99.90,  -0.01,  -1.12,  (min)
04/27 04Z,   0.60,   1.25,  99.90,   0.73,  -1.12,
04/27 05Z,   0.60,   3.26,  99.90,   2.74,  -1.12,
04/27 06Z,   0.60,   6.07,  99.90,   5.55,  -1.12,
04/27 07Z,   0.60,   8.99,  99.90,   8.47,  -1.12,
04/27 08Z,   0.70,  11.25,  99.90,  10.83,  -1.12,
04/27 09Z,   0.70,  12.22,  99.90,  11.80,  -1.12,  (max)
04/27 10Z,   0.70,  11.65,  99.90,  11.23,  -1.12,
04/27 11Z,   0.80,   9.65,  99.90,   9.33,  -1.12,
04/27 12Z,   0.80,   6.58,  99.90,   6.26,  -1.12,
04/27 13Z,   0.70,   3.08,  99.90,   2.66,  -1.12,
04/27 14Z,   0.70,  -0.03,  99.90,  -0.45,  -1.12,
04/27 15Z,   0.70,  -1.98,  99.90,  -2.40,  -1.12,
04/27 16Z,   0.70,  -2.33,  99.90,  -2.75,  -1.12,  (min)
04/27 17Z,   0.60,  -1.07,  99.90,  -1.59,  -1.12,
04/27 18Z,   0.80,   1.43,  99.90,   1.11,  -1.12,
04/27 19Z,   0.60,   4.54,  99.90,   4.02,  -1.12,
04/27 20Z,   0.60,   7.48,  99.90,   6.96,  -1.12,
04/27 21Z,   0.50,   9.51,  99.90,   8.89,  -1.12,
04/27 22Z,   0.70,  10.21,  99.90,   9.79,  -1.12,  (max)
04/27 23Z,   0.70,   9.53,  99.90,   9.11,  -1.12,
04/28 00Z,   0.60,   7.71,  99.90,   7.19,  -1.12,
04/28 01Z,   0.60,   5.24,  99.90,   4.72,  -1.12,
04/28 02Z,   0.60,   2.81,  99.90,   2.29,  -1.12,
04/28 03Z,   0.90,   1.19,  99.90,   0.97,  -1.12,
04/28 04Z,   0.70,   0.93,  99.90,   0.51,  -1.12,  (min)
04/28 05Z,   0.70,   2.14,  99.90,   1.72,  -1.12,
04/28 06Z,   0.90,   4.55,  99.90,   4.33,  -1.12,
04/28 07Z,   1.00,   7.56,  99.90,   7.44,  -1.12,
04/28 08Z,   0.90,  10.41,  99.90,  10.19,  -1.12,
04/28 09Z,   1.00,  12.33,  99.90,  12.21,  -1.12,
04/28 10Z,   1.20,  12.78,  99.90,  12.86,  -1.12,  (max)
04/28 11Z,   1.20,  11.62,  99.90,  11.70,  -1.12,
04/28 12Z,   1.20,   9.05,  99.90,   9.13,  -1.12,
04/28 13Z,   1.30,   5.55,  99.90,   5.73,  -1.12,
04/28 14Z,   1.40,   1.84,  99.90,   2.12,  -1.12,
04/28 15Z,   1.40,  -1.21,  99.90,  -0.93,  -1.12,
04/28 16Z,   1.40,  -2.88,  99.90,  -2.60,  -1.12,  (min)
04/28 17Z,   1.50,  -2.81,  99.90,  -2.43,  -1.12,
04/28 18Z,   1.40,  -1.13,  99.90,  -0.85,  -1.12,
04/28 19Z,   1.60,   1.69,  99.90,   2.17,  -1.12,
04/28 20Z,   1.60,   4.94,  99.90,   5.42,  -1.12,
04/28 21Z,   1.50,   7.82,  99.90,   8.20,  -1.12,
04/28 22Z,   1.40,   9.64,  99.90,   9.92,  -1.12,
04/28 23Z,   1.50,  10.08,  99.90,  10.46,  -1.12,  (max)
04/29 00Z,   1.50,   9.19,  99.90,   9.57,  -1.12,
04/29 01Z,   1.50,   7.26,  99.90,   7.64,  -1.12,
04/29 02Z,   1.40,   4.84,  99.90,   5.12,  -1.12,
04/29 03Z,   1.50,   2.66,  99.90,   3.04,  -1.12,
04/29 04Z,   1.40,   1.44,  99.90,   1.72,  -1.12,  (min)
04/29 05Z,   1.40,   1.63,  99.90,   1.91,  -1.12,
04/29 06Z,   1.40,   3.23,  99.90,   3.51,  -1.12,
04/29 07Z,   1.40,   5.83,  99.90,   6.11,  -1.12,
04/29 08Z,   1.30,   8.81,  99.90,   8.99,  -1.12,
04/29 09Z,   1.30,  11.38,  99.90,  11.56,  -1.12,
04/29 10Z,   1.30,  12.84,  99.90,  13.02,  -1.12,  (max)
04/29 11Z,   1.20,  12.75,  99.90,  12.83,  -1.12,
04/29 12Z,   1.20,  11.10,  99.90,  11.18,  -1.12,
04/29 13Z,  99.90,   8.18,  99.90,  99.90,  -1.12,
04/29 14Z,  99.90,   4.53,  99.90,  99.90,  -1.12,
04/29 15Z,  99.90,   0.89,  99.90,  99.90,  -1.12,
04/29 16Z,  99.90,  -1.89,  99.90,  99.90,  -1.12,
04/29 17Z,  99.90,  -3.15,  99.90,  99.90,  -1.12,
04/29 18Z,  99.90,  -2.69,  99.90,  99.90,  -1.12,