EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
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Northwest
Alaska
Gulf of Alaska
Status
Stations
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
#Astoria, OR : 04/20/2026 12:21:55 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 12Z,   0.20,  -5.00,  -4.87,  99.90,  -0.07,
04/18 13Z,   0.20,  -7.43,  -6.99,  99.90,   0.24,
04/18 14Z,   0.20,  -9.54,  -8.81,  99.90,   0.53,
04/18 15Z,   0.30, -11.02, -10.22,  99.90,   0.50,
04/18 16Z,   0.30, -11.62, -11.01,  99.90,   0.31,  (min)
04/18 17Z,   0.30, -11.15, -10.82,  99.90,   0.03,
04/18 18Z,   0.30,  -9.67,  -9.17,  99.90,   0.20,
04/18 19Z,   0.30,  -7.59,  -7.12,  99.90,   0.17,
04/18 20Z,   0.40,  -5.45,  -5.05,  99.90,   0.00,
04/18 21Z,   0.40,  -3.74,  -3.26,  99.90,   0.08,
04/18 22Z,   0.40,  -2.82,  -2.32,  99.90,   0.10,  (max)
04/18 23Z,   0.40,  -2.91,  -2.43,  99.90,   0.08,
04/19 00Z,   0.40,  -3.94,  -3.53,  99.90,   0.01,
04/19 01Z,   0.40,  -5.48,  -5.16,  99.90,  -0.08,
04/19 02Z,   0.40,  -6.99,  -6.74,  99.90,  -0.15,
04/19 03Z,   0.50,  -8.06,  -7.85,  99.90,  -0.29,
04/19 04Z,   0.50,  -8.40,  -8.15,  99.90,  -0.25,  (min)
04/19 05Z,   0.50,  -7.81,  -7.29,  99.90,   0.02,
04/19 06Z,   0.40,  -6.29,  -5.56,  99.90,   0.33,
04/19 07Z,   0.40,  -4.25,  -3.51,  99.90,   0.34,
04/19 08Z,   0.50,  -2.32,  -1.62,  99.90,   0.20,
04/19 09Z,   0.50,  -1.04,  -0.39,  99.90,   0.15,
04/19 10Z,   0.50,  -0.73,  -0.08,  99.90,   0.15,  (max)
04/19 11Z,   0.50,  -1.54,  -1.06,  99.90,  -0.02,
04/19 12Z,   0.50,  -3.36,  -3.06,  99.90,  -0.20,
04/19 13Z,   0.50,  -5.78,  -5.27,  99.90,   0.01,
04/19 14Z,   0.50,  -8.20,  -7.31,  99.90,   0.39,
04/19 15Z,   0.50, -10.18,  -9.06,  99.90,   0.62,
04/19 16Z,   0.50, -11.47, -10.33,  99.90,   0.64,
04/19 17Z,   0.50, -11.83, -10.93,  99.90,   0.40,  (min)
04/19 18Z,   0.60, -11.13, -10.39,  99.90,   0.14,
04/19 19Z,   0.60,  -9.50,  -8.67,  99.90,   0.23,
04/19 20Z,   0.60,  -7.40,  -6.70,  99.90,   0.10,
04/19 21Z,   0.60,  -5.36,  -4.69,  99.90,   0.07,
04/19 22Z,   0.60,  -3.79,  -3.07,  99.90,   0.12,
04/19 23Z,   0.60,  -3.02,  -2.30,  99.90,   0.12,  (max)
04/20 00Z,   0.60,  -3.23,  -2.57,  99.90,   0.06,
04/20 01Z,   0.60,  -4.28,  -3.67,  99.90,   0.01,
04/20 02Z,   0.60,  -5.72,  -5.23,  99.90,  -0.11,
04/20 03Z,   0.60,  -7.03,  -6.66,  99.90,  -0.23,
04/20 04Z,   0.60,  -7.86,  -7.51,  99.90,  -0.25,  (min)
04/20 05Z,   0.60,  -7.95,  -7.43,  99.90,  -0.08,
04/20 06Z,   0.50,  -7.12,  -6.35,  99.90,   0.27,
04/20 07Z,   0.50,  -5.48,  -4.59,  99.90,   0.39,
04/20 08Z,   0.50,  -3.50,  -2.66,  99.90,   0.34,
04/20 09Z,   0.50,  -1.80,  -0.99,  99.90,   0.31,
04/20 10Z,   0.50,  -0.85,  -0.08,  99.90,   0.27,  (max)
04/20 11Z,   0.50,  -0.90,  -0.13,  99.90,   0.27,
04/20 12Z,   0.50,  -2.01,  -1.37,  99.90,   0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 13Z,   0.50,  -4.00,  99.90,  -3.37,   0.13,
04/20 14Z,   0.50,  -6.41,  99.90,  -5.79,   0.12,
04/20 15Z,   0.60,  -8.70,  99.90,  -7.99,   0.11,
04/20 16Z,   0.60, -10.48,  99.90,  -9.78,   0.10,
04/20 17Z,   0.50, -11.54,  99.90, -10.95,   0.09,
04/20 18Z,   0.50, -11.71,  99.90, -11.13,   0.08,  (min)
04/20 19Z,   0.60, -10.87,  99.90, -10.20,   0.07,
04/20 20Z,   0.60,  -9.23,  99.90,  -8.57,   0.06,
04/20 21Z,   0.60,  -7.23,  99.90,  -6.58,   0.05,
04/20 22Z,   0.60,  -5.36,  99.90,  -4.72,   0.04,
04/20 23Z,   0.60,  -3.96,  99.90,  -3.33,   0.03,
04/21 00Z,   0.60,  -3.32,  99.90,  -2.70,   0.02,  (max)
04/21 01Z,   0.60,  -3.58,  99.90,  -2.96,   0.02,
04/21 02Z,   0.60,  -4.57,  99.90,  -3.95,   0.02,
04/21 03Z,   0.60,  -5.85,  99.90,  -5.23,   0.02,
04/21 04Z,   0.60,  -6.95,  99.90,  -6.33,   0.02,
04/21 05Z,   0.60,  -7.57,  99.90,  -6.95,   0.02,  (min)
04/21 06Z,   0.60,  -7.48,  99.90,  -6.86,   0.02,
04/21 07Z,   0.60,  -6.54,  99.90,  -5.92,   0.02,
04/21 08Z,   0.50,  -4.92,  99.90,  -4.40,   0.02,
04/21 09Z,   0.50,  -3.11,  99.90,  -2.60,   0.02,
04/21 10Z,   0.60,  -1.70,  99.90,  -1.08,   0.02,
04/21 11Z,   0.60,  -1.05,  99.90,  -0.43,   0.02,  (max)
04/21 12Z,   0.50,  -1.34,  99.90,  -0.82,   0.02,
04/21 13Z,   0.50,  -2.57,  99.90,  -2.05,   0.02,
04/21 14Z,   0.60,  -4.54,  99.90,  -3.93,   0.02,
04/21 15Z,   0.60,  -6.80,  99.90,  -6.18,   0.02,
04/21 16Z,   0.60,  -8.85,  99.90,  -8.23,   0.02,
04/21 17Z,   0.60, -10.40,  99.90,  -9.78,   0.02,
04/21 18Z,   0.60, -11.29,  99.90, -10.67,   0.02,
04/21 19Z,   0.60, -11.34,  99.90, -10.73,   0.02,  (min)
04/21 20Z,   0.60, -10.49,  99.90,  -9.88,   0.02,
04/21 21Z,   0.60,  -8.95,  99.90,  -8.33,   0.02,
04/21 22Z,   0.50,  -7.14,  99.90,  -6.62,   0.02,
04/21 23Z,   0.60,  -5.46,  99.90,  -4.84,   0.02,
04/22 00Z,   0.60,  -4.21,  99.90,  -3.59,   0.02,
04/22 01Z,   0.60,  -3.63,  99.90,  -3.01,   0.02,  (max)
04/22 02Z,   0.50,  -3.86,  99.90,  -3.34,   0.02,
04/22 03Z,   0.60,  -4.73,  99.90,  -4.11,   0.02,
04/22 04Z,   0.60,  -5.83,  99.90,  -5.21,   0.02,
04/22 05Z,   0.60,  -6.75,  99.90,  -6.13,   0.02,
04/22 06Z,   0.60,  -7.24,  99.90,  -6.62,   0.02,  (min)
04/22 07Z,   0.50,  -7.09,  99.90,  -6.57,   0.02,
04/22 08Z,   0.50,  -6.18,  99.90,  -5.66,   0.02,
04/22 09Z,   0.60,  -4.71,  99.90,  -4.09,   0.02,
04/22 10Z,   0.60,  -3.15,  99.90,  -2.53,   0.02,
04/22 11Z,   0.60,  -2.00,  99.90,  -1.39,   0.02,
04/22 12Z,   0.60,  -1.55,  99.90,  -0.93,   0.02,  (max)
04/22 13Z,   0.60,  -1.91,  99.90,  -1.30,   0.02,
04/22 14Z,   0.60,  -3.09,  99.90,  -2.48,   0.02,
04/22 15Z,   0.60,  -4.89,  99.90,  -4.27,   0.02,
04/22 16Z,   0.60,  -6.88,  99.90,  -6.26,   0.02,
04/22 17Z,   0.60,  -8.67,  99.90,  -8.05,   0.02,
04/22 18Z,   0.60, -10.03,  99.90,  -9.41,   0.02,
04/22 19Z,   0.60, -10.82,  99.90, -10.20,   0.02,
04/22 20Z,   0.60, -10.87,  99.90, -10.25,   0.02,  (min)
04/22 21Z,   0.60, -10.11,  99.90,  -9.49,   0.02,
04/22 22Z,   0.60,  -8.75,  99.90,  -8.13,   0.02,
04/22 23Z,   0.60,  -7.14,  99.90,  -6.52,   0.02,
04/23 00Z,   0.60,  -5.61,  99.90,  -5.00,   0.02,
04/23 01Z,   0.60,  -4.42,  99.90,  -3.81,   0.02,
04/23 02Z,   0.60,  -3.83,  99.90,  -3.21,   0.02,  (max)
04/23 03Z,   0.60,  -3.97,  99.90,  -3.35,   0.02,
04/23 04Z,   0.50,  -4.69,  99.90,  -4.18,   0.02,
04/23 05Z,   0.50,  -5.64,  99.90,  -5.12,   0.02,
04/23 06Z,   0.50,  -6.47,  99.90,  -5.95,   0.02,
04/23 07Z,   0.50,  -6.95,  99.90,  -6.44,   0.02,
04/23 08Z,   0.40,  -6.88,  99.90,  -6.46,   0.02,  (min)
04/23 09Z,   0.40,  -6.13,  99.90,  -5.72,   0.02,
04/23 10Z,   0.40,  -4.89,  99.90,  -4.48,   0.02,
04/23 11Z,   0.40,  -3.59,  99.90,  -3.17,   0.02,
04/23 12Z,   0.40,  -2.63,  99.90,  -2.21,   0.02,
04/23 13Z,   0.40,  -2.23,  99.90,  -1.81,   0.02,  (max)
04/23 14Z,   0.40,  -2.50,  99.90,  -2.08,   0.02,
04/23 15Z,   0.40,  -3.47,  99.90,  -3.05,   0.02,
04/23 16Z,   0.30,  -4.99,  99.90,  -4.67,   0.02,
04/23 17Z,   0.30,  -6.69,  99.90,  -6.38,   0.02,
04/23 18Z,   0.30,  -8.26,  99.90,  -7.94,   0.02,
04/23 19Z,   0.30,  -9.51,  99.90,  -9.19,   0.02,
04/23 20Z,   0.30, -10.30,  99.90,  -9.98,   0.02,
04/23 21Z,   0.30, -10.43,  99.90, -10.11,   0.02,  (min)
04/23 22Z,   0.30,  -9.82,  99.90,  -9.50,   0.02,
04/23 23Z,   0.30,  -8.63,  99.90,  -8.31,   0.02,
04/24 00Z,   0.30,  -7.17,  99.90,  -6.85,   0.02,