EXTRA-TROPICAL  STORM  SURGE
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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
Port Townsend
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
#Port Townsend, WA : 05/17/2026 06:23:29 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 12Z,   0.20,  -2.25,  -1.98,  99.90,   0.07,
05/15 13Z,   0.30,  -4.42,  -4.18,  99.90,  -0.06,
05/15 14Z,   0.30,  -6.81,  -6.70,  99.90,  -0.19,
05/15 15Z,   0.20,  -8.84,  -8.60,  99.90,   0.04,
05/15 16Z,   0.20,  -9.96,  -9.61,  99.90,   0.15,  (min)
05/15 17Z,   0.30,  -9.95,  -9.58,  99.90,   0.07,
05/15 18Z,   0.30,  -9.04,  -8.61,  99.90,   0.13,
05/15 19Z,   0.30,  -7.60,  -7.43,  99.90,  -0.13,
05/15 20Z,   0.30,  -5.90,  -5.90,  99.90,  -0.30,
05/15 21Z,   0.40,  -4.09,  -4.20,  99.90,  -0.51,
05/15 22Z,   0.40,  -2.40,  -2.39,  99.90,  -0.39,
05/15 23Z,   0.30,  -1.13,  -1.15,  99.90,  -0.32,
05/16 00Z,   0.30,  -0.50,  -0.78,  99.90,  -0.58,
05/16 01Z,   0.40,  -0.55,  -0.78,  99.90,  -0.63,  (max)
05/16 02Z,   0.40,  -1.16,  -1.28,  99.90,  -0.52,
05/16 03Z,   0.30,  -2.00,  -2.06,  99.90,  -0.36,
05/16 04Z,   0.30,  -2.59,  -2.65,  99.90,  -0.36,  (min)
05/16 05Z,   0.40,  -2.62,  -2.58,  99.90,  -0.36,
05/16 06Z,   0.40,  -2.11,  -2.05,  99.90,  -0.34,
05/16 07Z,   0.30,  -1.35,  -1.28,  99.90,  -0.23,
05/16 08Z,   0.30,  -0.62,  -0.54,  99.90,  -0.22,
05/16 09Z,   0.40,  -0.02,   0.09,  99.90,  -0.29,
05/16 10Z,   0.40,   0.26,   0.65,  99.90,  -0.01,  (max)
05/16 11Z,   0.30,  -0.08,   0.25,  99.90,   0.03,
05/16 12Z,   0.20,  -1.26,  -0.82,  99.90,   0.24,
05/16 13Z,   0.20,  -3.26,  -2.82,  99.90,   0.24,
05/16 14Z,   0.20,  -5.81,  -5.52,  99.90,   0.09,
05/16 15Z,   0.20,  -8.39,  -8.12,  99.90,   0.07,
05/16 16Z,   0.20, -10.36,  -9.92,  99.90,   0.24,
05/16 17Z,   0.20, -11.19, -10.84,  99.90,   0.15,  (min)
05/16 18Z,   0.20, -10.80, -10.44,  99.90,   0.16,
05/16 19Z,   0.20,  -9.51,  -9.18,  99.90,   0.13,
05/16 20Z,   0.20,  -7.74,  -7.87,  99.90,  -0.33,
05/16 21Z,   0.20,  -5.75,  -6.00,  99.90,  -0.45,
05/16 22Z,   0.20,  -3.68,  -3.96,  99.90,  -0.48,
05/16 23Z,   0.30,  -1.80,  -2.00,  99.90,  -0.50,
05/17 00Z,   0.30,  -0.43,  -0.79,  99.90,  -0.66,
05/17 01Z,   0.40,   0.20,  -0.27,  99.90,  -0.87,
05/17 02Z,   0.40,   0.08,  -0.21,  99.90,  -0.69,  (max)
05/17 03Z,   0.40,  -0.59,  -0.69,  99.90,  -0.50,
05/17 04Z,   0.30,  -1.42,  -1.56,  99.90,  -0.44,
05/17 05Z,   0.40,  -1.94,  -2.08,  99.90,  -0.54,  (min)
05/17 06Z,   0.40,  -1.88,  -1.94,  99.90,  -0.46,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 07Z,   0.30,  -1.37,  99.90,  -1.50,  -0.43,
05/17 08Z,   0.20,  -0.71,  99.90,  -0.92,  -0.41,
05/17 09Z,   0.20,  -0.13,  99.90,  -0.31,  -0.38,
05/17 10Z,   0.20,   0.26,  99.90,   0.11,  -0.36,
05/17 11Z,   0.20,   0.28,  99.90,   0.15,  -0.33,  (max)
05/17 12Z,   0.20,  -0.38,  99.90,  -0.48,  -0.31,
05/17 13Z,   0.20,  -1.92,  99.90,  -2.00,  -0.28,
05/17 14Z,   0.10,  -4.26,  99.90,  -4.41,  -0.25,
05/17 15Z,   0.10,  -7.02,  99.90,  -7.15,  -0.23,
05/17 16Z,   0.10,  -9.61,  99.90,  -9.72,  -0.20,
05/17 17Z,   0.10, -11.39,  99.90, -11.47,  -0.18,
05/17 18Z,   0.10, -11.89,  99.90, -11.95,  -0.15,  (min)
05/17 19Z,   0.10, -11.16,  99.90, -11.22,  -0.15,
05/17 20Z,   0.10,  -9.61,  99.90,  -9.67,  -0.15,
05/17 21Z,   0.10,  -7.65,  99.90,  -7.70,  -0.15,
05/17 22Z,   0.10,  -5.48,  99.90,  -5.53,  -0.15,
05/17 23Z,   0.00,  -3.26,  99.90,  -3.42,  -0.15,
05/18 00Z,   0.10,  -1.30,  99.90,  -1.36,  -0.15,
05/18 01Z,   0.10,   0.06,  99.90,   0.01,  -0.15,
05/18 02Z,   0.10,   0.63,  99.90,   0.58,  -0.15,  (max)
05/18 03Z,   0.10,   0.45,  99.90,   0.39,  -0.15,
05/18 04Z,   0.20,  -0.26,  99.90,  -0.21,  -0.15,
05/18 05Z,   0.20,  -1.06,  99.90,  -1.01,  -0.15,
05/18 06Z,   0.20,  -1.50,  99.90,  -1.45,  -0.15,  (min)
05/18 07Z,   0.20,  -1.39,  99.90,  -1.35,  -0.15,
05/18 08Z,   0.20,  -0.92,  99.90,  -0.87,  -0.15,
05/18 09Z,   0.20,  -0.39,  99.90,  -0.34,  -0.15,
05/18 10Z,   0.20,   0.04,  99.90,   0.08,  -0.15,
05/18 11Z,   0.20,   0.26,  99.90,   0.31,  -0.15,  (max)
05/18 12Z,   0.20,   0.08,  99.90,   0.13,  -0.15,
05/18 13Z,   0.20,  -0.82,  99.90,  -0.77,  -0.15,
05/18 14Z,   0.20,  -2.60,  99.90,  -2.55,  -0.15,
05/18 15Z,   0.20,  -5.10,  99.90,  -5.05,  -0.15,
05/18 16Z,   0.20,  -7.88,  99.90,  -7.83,  -0.15,
05/18 17Z,   0.20, -10.34,  99.90, -10.29,  -0.15,
05/18 18Z,   0.20, -11.85,  99.90, -11.80,  -0.15,
05/18 19Z,   0.20, -12.05,  99.90, -12.01,  -0.15,  (min)
05/18 20Z,   0.20, -11.10,  99.90, -11.06,  -0.15,
05/18 21Z,   0.20,  -9.43,  99.90,  -9.38,  -0.15,
05/18 22Z,   0.20,  -7.40,  99.90,  -7.35,  -0.15,
05/18 23Z,   0.20,  -5.17,  99.90,  -5.12,  -0.15,
05/19 00Z,   0.20,  -2.91,  99.90,  -2.87,  -0.15,
05/19 01Z,   0.20,  -0.97,  99.90,  -0.92,  -0.15,
05/19 02Z,   0.30,   0.33,  99.90,   0.47,  -0.15,
05/19 03Z,   0.30,   0.81,  99.90,   0.96,  -0.15,  (max)
05/19 04Z,   0.30,   0.56,  99.90,   0.71,  -0.15,
05/19 05Z,   0.30,  -0.16,  99.90,  -0.01,  -0.15,
05/19 06Z,   0.30,  -0.91,  99.90,  -0.76,  -0.15,
05/19 07Z,   0.30,  -1.29,  99.90,  -1.15,  -0.15,  (min)
05/19 08Z,   0.30,  -1.19,  99.90,  -1.04,  -0.15,
05/19 09Z,   0.20,  -0.81,  99.90,  -0.76,  -0.15,
05/19 10Z,   0.20,  -0.42,  99.90,  -0.37,  -0.15,
05/19 11Z,   0.20,  -0.12,  99.90,  -0.07,  -0.15,
05/19 12Z,   0.20,  -0.00,  99.90,   0.04,  -0.15,  (max)
05/19 13Z,   0.20,  -0.31,  99.90,  -0.26,  -0.15,
05/19 14Z,   0.20,  -1.34,  99.90,  -1.29,  -0.15,
05/19 15Z,   0.10,  -3.20,  99.90,  -3.25,  -0.15,
05/19 16Z,   0.20,  -5.68,  99.90,  -5.64,  -0.15,
05/19 17Z,   0.20,  -8.33,  99.90,  -8.28,  -0.15,
05/19 18Z,   0.20, -10.54,  99.90, -10.49,  -0.15,
05/19 19Z,   0.10, -11.76,  99.90, -11.81,  -0.15,  (min)
05/19 20Z,   0.10, -11.75,  99.90, -11.80,  -0.15,
05/19 21Z,   0.10, -10.70,  99.90, -10.75,  -0.15,
05/19 22Z,   0.20,  -9.03,  99.90,  -8.99,  -0.15,
05/19 23Z,   0.20,  -7.04,  99.90,  -6.99,  -0.15,
05/20 00Z,   0.10,  -4.84,  99.90,  -4.90,  -0.15,
05/20 01Z,   0.10,  -2.64,  99.90,  -2.69,  -0.15,
05/20 02Z,   0.10,  -0.78,  99.90,  -0.84,  -0.15,
05/20 03Z,   0.20,   0.40,  99.90,   0.45,  -0.15,
05/20 04Z,   0.20,   0.79,  99.90,   0.84,  -0.15,  (max)
05/20 05Z,   0.10,   0.49,  99.90,   0.44,  -0.15,
05/20 06Z,   0.10,  -0.23,  99.90,  -0.28,  -0.15,
05/20 07Z,   0.20,  -0.96,  99.90,  -0.91,  -0.15,
05/20 08Z,   0.20,  -1.34,  99.90,  -1.29,  -0.15,
05/20 09Z,   0.10,  -1.30,  99.90,  -1.35,  -0.15,  (min)
05/20 10Z,   0.10,  -1.05,  99.90,  -1.11,  -0.15,
05/20 11Z,   0.10,  -0.79,  99.90,  -0.84,  -0.15,
05/20 12Z,   0.10,  -0.58,  99.90,  -0.63,  -0.15,
05/20 13Z,   0.10,  -0.51,  99.90,  -0.56,  -0.15,  (max)
05/20 14Z,   0.10,  -0.85,  99.90,  -0.90,  -0.15,
05/20 15Z,   0.00,  -1.89,  99.90,  -2.05,  -0.15,
05/20 16Z,   0.10,  -3.69,  99.90,  -3.74,  -0.15,
05/20 17Z,   0.10,  -5.99,  99.90,  -6.04,  -0.15,
05/20 18Z,   0.00,  -8.36,  99.90,  -8.51,  -0.15,
05/20 19Z,   0.00, -10.26,  99.90, -10.41,  -0.15,
05/20 20Z,   0.00, -11.22,  99.90, -11.37,  -0.15,  (min)
05/20 21Z,   0.00, -11.07,  99.90, -11.23,  -0.15,
05/20 22Z,   0.00, -10.04,  99.90, -10.19,  -0.15,
05/20 23Z,   0.00,  -8.47,  99.90,  -8.63,  -0.15,
05/21 00Z,   0.00,  -6.59,  99.90,  -6.74,  -0.15,