EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
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
#Seattle, WA : 03/18/2025 21:22:55 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/17 06Z,   1.00,  -7.05,  -6.22,  99.90,  -0.17,
03/17 07Z,   1.00,  -8.43,  -7.71,  99.90,  -0.28,
03/17 08Z,   1.00,  -9.15,  -8.52,  99.90,  -0.37,  (min)
03/17 09Z,   1.00,  -8.91,  -8.38,  99.90,  -0.47,
03/17 10Z,   0.90,  -7.81,  -7.30,  99.90,  -0.39,
03/17 11Z,   0.90,  -6.19,  -5.78,  99.90,  -0.49,
03/17 12Z,   0.90,  -4.47,  -4.07,  99.90,  -0.50,
03/17 13Z,   0.90,  -3.06,  -2.63,  99.90,  -0.47,
03/17 14Z,   0.90,  -2.39,  -1.91,  99.90,  -0.42,  (max)
03/17 15Z,   0.90,  -2.71,  -2.27,  99.90,  -0.46,
03/17 16Z,   0.90,  -3.99,  -3.42,  99.90,  -0.33,
03/17 17Z,   0.90,  -5.97,  -5.23,  99.90,  -0.16,
03/17 18Z,   0.80,  -8.30,  -7.57,  99.90,  -0.07,
03/17 19Z,   0.70, -10.52,  -9.80,  99.90,   0.02,
03/17 20Z,   0.70, -12.04, -11.26,  99.90,   0.08,
03/17 21Z,   0.70, -12.41, -11.52,  99.90,   0.19,  (min)
03/17 22Z,   0.70, -11.57, -10.61,  99.90,   0.26,
03/17 23Z,   0.70,  -9.85,  -9.09,  99.90,   0.06,
03/18 00Z,   0.70,  -7.72,  -7.12,  99.90,  -0.10,
03/18 01Z,   0.70,  -5.64,  -5.06,  99.90,  -0.12,
03/18 02Z,   0.70,  -4.08,  -3.56,  99.90,  -0.18,
03/18 03Z,   0.70,  -3.35,  -2.87,  99.90,  -0.22,  (max)
03/18 04Z,   0.70,  -3.50,  -3.04,  99.90,  -0.24,
03/18 05Z,   0.70,  -4.32,  -3.79,  99.90,  -0.17,
03/18 06Z,   0.70,  -5.53,  -4.93,  99.90,  -0.10,
03/18 07Z,   0.70,  -6.82,  -6.37,  99.90,  -0.25,
03/18 08Z,   0.70,  -7.80,  -7.57,  99.90,  -0.47,
03/18 09Z,   0.70,  -8.09,  -7.96,  99.90,  -0.57,  (min)
03/18 10Z,   0.70,  -7.56,  -7.44,  99.90,  -0.58,
03/18 11Z,   0.70,  -6.40,  -6.31,  99.90,  -0.61,
03/18 12Z,   0.60,  -4.99,  -4.93,  99.90,  -0.54,
03/18 13Z,   0.50,  -3.69,  -3.57,  99.90,  -0.38,
03/18 14Z,   0.50,  -2.83,  -2.67,  99.90,  -0.34,
03/18 15Z,   0.50,  -2.75,  -2.60,  99.90,  -0.35,  (max)
03/18 16Z,   0.50,  -3.61,  -3.45,  99.90,  -0.34,
03/18 17Z,   0.50,  -5.28,  -4.99,  99.90,  -0.21,
03/18 18Z,   0.40,  -7.47,  -7.18,  99.90,  -0.11,
03/18 19Z,   0.40,  -9.77,  -9.62,  99.90,  -0.25,
03/18 20Z,   0.40, -11.71, -11.52,  99.90,  -0.21,
03/18 21Z,   0.40, -12.74, -12.42,  99.90,  -0.08,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/18 22Z,   0.40, -12.57,  99.90, -12.25,  -0.08,
03/18 23Z,   0.30, -11.29,  99.90, -11.08,  -0.09,
03/19 00Z,   0.30,  -9.32,  99.90,  -9.11,  -0.09,
03/19 01Z,   0.30,  -7.16,  99.90,  -6.95,  -0.10,
03/19 02Z,   0.30,  -5.22,  99.90,  -5.02,  -0.10,
03/19 03Z,   0.30,  -3.89,  99.90,  -3.70,  -0.11,
03/19 04Z,   0.30,  -3.38,  99.90,  -3.19,  -0.11,  (max)
03/19 05Z,   0.30,  -3.64,  99.90,  -3.45,  -0.12,
03/19 06Z,   0.30,  -4.41,  99.90,  -4.23,  -0.12,
03/19 07Z,   0.30,  -5.41,  99.90,  -5.24,  -0.13,
03/19 08Z,   0.30,  -6.38,  99.90,  -6.21,  -0.13,
03/19 09Z,   0.30,  -6.99,  99.90,  -6.83,  -0.14,  (min)
03/19 10Z,   0.30,  -6.98,  99.90,  -6.81,  -0.14,
03/19 11Z,   0.30,  -6.33,  99.90,  -6.17,  -0.14,
03/19 12Z,   0.30,  -5.32,  99.90,  -5.16,  -0.14,
03/19 13Z,   0.30,  -4.26,  99.90,  -4.10,  -0.14,
03/19 14Z,   0.30,  -3.43,  99.90,  -3.27,  -0.14,
03/19 15Z,   0.30,  -3.08,  99.90,  -2.92,  -0.14,  (max)
03/19 16Z,   0.40,  -3.47,  99.90,  -3.21,  -0.14,
03/19 17Z,   0.40,  -4.68,  99.90,  -4.42,  -0.14,
03/19 18Z,   0.40,  -6.54,  99.90,  -6.28,  -0.14,
03/19 19Z,   0.40,  -8.72,  99.90,  -8.46,  -0.14,
03/19 20Z,   0.50, -10.82,  99.90, -10.46,  -0.14,
03/19 21Z,   0.50, -12.39,  99.90, -12.03,  -0.14,
03/19 22Z,   0.50, -12.98,  99.90, -12.62,  -0.14,  (min)
03/19 23Z,   0.50, -12.39,  99.90, -12.03,  -0.14,
03/20 00Z,   0.60, -10.86,  99.90, -10.40,  -0.14,
03/20 01Z,   0.60,  -8.84,  99.90,  -8.38,  -0.14,
03/20 02Z,   0.70,  -6.78,  99.90,  -6.22,  -0.14,
03/20 03Z,   0.70,  -5.04,  99.90,  -4.47,  -0.14,
03/20 04Z,   0.80,  -3.91,  99.90,  -3.25,  -0.14,
03/20 05Z,   0.80,  -3.53,  99.90,  -2.86,  -0.14,  (max)
03/20 06Z,   0.90,  -3.78,  99.90,  -3.01,  -0.14,
03/20 07Z,   0.90,  -4.39,  99.90,  -3.63,  -0.14,
03/20 08Z,   1.00,  -5.14,  99.90,  -4.28,  -0.14,
03/20 09Z,   1.00,  -5.79,  99.90,  -4.93,  -0.14,
03/20 10Z,   1.00,  -6.13,  99.90,  -5.27,  -0.14,  (min)
03/20 11Z,   1.00,  -5.98,  99.90,  -5.12,  -0.14,
03/20 12Z,   1.10,  -5.41,  99.90,  -4.45,  -0.14,
03/20 13Z,   1.10,  -4.67,  99.90,  -3.71,  -0.14,
03/20 14Z,   1.10,  -4.02,  99.90,  -3.06,  -0.14,
03/20 15Z,   1.00,  -3.61,  99.90,  -2.75,  -0.14,  (max)
03/20 16Z,   1.00,  -3.65,  99.90,  -2.78,  -0.14,
03/20 17Z,   1.00,  -4.33,  99.90,  -3.47,  -0.14,
03/20 18Z,   1.00,  -5.69,  99.90,  -4.83,  -0.14,
03/20 19Z,   0.90,  -7.54,  99.90,  -6.78,  -0.14,
03/20 20Z,   0.90,  -9.56,  99.90,  -8.80,  -0.14,
03/20 21Z,   0.90, -11.40,  99.90, -10.64,  -0.14,
03/20 22Z,   0.80, -12.63,  99.90, -11.97,  -0.14,
03/20 23Z,   0.80, -12.89,  99.90, -12.23,  -0.14,  (min)
03/21 00Z,   0.80, -12.09,  99.90, -11.42,  -0.14,
03/21 01Z,   0.80, -10.50,  99.90,  -9.84,  -0.14,
03/21 02Z,   0.80,  -8.57,  99.90,  -7.91,  -0.14,
03/21 03Z,   0.80,  -6.67,  99.90,  -6.01,  -0.14,
03/21 04Z,   0.80,  -5.10,  99.90,  -4.44,  -0.14,
03/21 05Z,   0.80,  -4.09,  99.90,  -3.43,  -0.14,
03/21 06Z,   0.70,  -3.72,  99.90,  -3.16,  -0.14,  (max)
03/21 07Z,   0.70,  -3.85,  99.90,  -3.29,  -0.14,
03/21 08Z,   0.70,  -4.24,  99.90,  -3.68,  -0.14,
03/21 09Z,   0.70,  -4.73,  99.90,  -4.17,  -0.14,
03/21 10Z,   0.70,  -5.16,  99.90,  -4.60,  -0.14,
03/21 11Z,   0.70,  -5.37,  99.90,  -4.81,  -0.14,  (min)
03/21 12Z,   0.80,  -5.25,  99.90,  -4.58,  -0.14,
03/21 13Z,   0.80,  -4.88,  99.90,  -4.22,  -0.14,
03/21 14Z,   0.80,  -4.47,  99.90,  -3.81,  -0.14,
03/21 15Z,   0.80,  -4.16,  99.90,  -3.50,  -0.14,
03/21 16Z,   0.90,  -4.05,  99.90,  -3.28,  -0.14,  (max)
03/21 17Z,   0.90,  -4.29,  99.90,  -3.53,  -0.14,
03/21 18Z,   0.90,  -5.07,  99.90,  -4.31,  -0.14,
03/21 19Z,   0.90,  -6.42,  99.90,  -5.66,  -0.14,
03/21 20Z,   0.90,  -8.14,  99.90,  -7.38,  -0.14,
03/21 21Z,   0.90,  -9.96,  99.90,  -9.20,  -0.14,
03/21 22Z,   0.90, -11.57,  99.90, -10.81,  -0.14,
03/21 23Z,   0.90, -12.59,  99.90, -11.83,  -0.14,
03/22 00Z,   0.90, -12.70,  99.90, -11.94,  -0.14,  (min)
03/22 01Z,   0.90, -11.87,  99.90, -11.11,  -0.14,
03/22 02Z,   0.90, -10.37,  99.90,  -9.61,  -0.14,
03/22 03Z,   0.90,  -8.59,  99.90,  -7.83,  -0.14,
03/22 04Z,   0.90,  -6.82,  99.90,  -6.06,  -0.14,
03/22 05Z,   0.90,  -5.32,  99.90,  -4.56,  -0.14,
03/22 06Z,   0.90,  -4.31,  99.90,  -3.54,  -0.14,
03/22 07Z,   0.90,  -3.84,  99.90,  -3.07,  -0.14,
03/22 08Z,   0.90,  -3.78,  99.90,  -3.02,  -0.14,  (max)
03/22 09Z,   0.80,  -3.95,  99.90,  -3.29,  -0.14,
03/22 10Z,   0.80,  -4.26,  99.90,  -3.60,  -0.14,
03/22 11Z,   0.80,  -4.61,  99.90,  -3.95,  -0.14,
03/22 12Z,   0.80,  -4.86,  99.90,  -4.19,  -0.14,
03/22 13Z,  99.90,  -4.89,  99.90,  99.90,  -0.14,
03/22 14Z,  99.90,  -4.78,  99.90,  99.90,  -0.14,
03/22 15Z,  99.90,  -4.64,  99.90,  99.90,  -0.14,
03/22 16Z,  99.90,  -4.54,  99.90,  99.90,  -0.14,
03/22 17Z,  99.90,  -4.53,  99.90,  99.90,  -0.14,
03/22 18Z,  99.90,  -4.80,  99.90,  99.90,  -0.14,