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
#Port Townsend, WA : 05/19/2026 07:21:59 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 12Z,   0.00,  -2.03,  -1.93,  99.90,   0.10,  (max)
05/17 13Z,   0.00,  -3.57,  -3.53,  99.90,   0.04,
05/17 14Z,   0.00,  -5.91,  -6.03,  99.90,  -0.12,
05/17 15Z,   0.00,  -8.67,  -8.99,  99.90,  -0.32,
05/17 16Z,   0.00, -11.26, -11.44,  99.90,  -0.18,
05/17 17Z,   0.00, -13.04, -13.10,  99.90,  -0.06,
05/17 18Z,   0.00, -13.54,  99.90,  99.90,  99.90,  (min)
05/17 19Z,  -0.10, -12.81, -12.80,  99.90,   0.11,
05/17 20Z,  -0.10, -11.26, -11.34,  99.90,   0.02,
05/17 21Z,  -0.10,  -9.30,  -9.79,  99.90,  -0.39,
05/17 22Z,  -0.10,  -7.13,  -7.60,  99.90,  -0.37,
05/17 23Z,  -0.10,  -4.91,  -5.25,  99.90,  -0.24,
05/18 00Z,  -0.10,  -2.95,  -3.31,  99.90,  -0.26,
05/18 01Z,   0.00,  -1.59,  -2.35,  99.90,  -0.76,
05/18 02Z,   0.00,  -1.02,  -1.81,  99.90,  -0.79,
05/18 03Z,   0.00,  -1.20,  -1.70,  99.90,  -0.50,  (max)
05/18 04Z,   0.00,  -1.91,  -2.18,  99.90,  -0.27,
05/18 05Z,   0.00,  -2.71,  -2.93,  99.90,  -0.22,
05/18 06Z,   0.00,  -3.15,  -3.34,  99.90,  -0.19,  (min)
05/18 07Z,   0.00,  -3.04,  -3.14,  99.90,  -0.10,
05/18 08Z,   0.00,  -2.57,  -2.72,  99.90,  -0.15,
05/18 09Z,   0.00,  -2.04,  -2.22,  99.90,  -0.18,
05/18 10Z,   0.00,  -1.61,  -1.58,  99.90,   0.03,
05/18 11Z,   0.00,  -1.39,  -1.31,  99.90,   0.08,  (max)
05/18 12Z,   0.00,  -1.57,  -1.40,  99.90,   0.17,
05/18 13Z,   0.00,  -2.47,  -2.31,  99.90,   0.16,
05/18 14Z,   0.00,  -4.25,  -4.24,  99.90,   0.01,
05/18 15Z,   0.00,  -6.75,  -6.84,  99.90,  -0.09,
05/18 16Z,   0.00,  -9.53,  -9.70,  99.90,  -0.17,
05/18 17Z,   0.00, -11.99, -12.13,  99.90,  -0.14,
05/18 18Z,   0.00, -13.50, -13.52,  99.90,  -0.02,
05/18 19Z,   0.00, -13.70,  99.90,  99.90,  99.90,  (min)
05/18 20Z,   0.00, -12.75, -12.77,  99.90,  -0.02,
05/18 21Z,   0.00, -11.08, -11.31,  99.90,  -0.23,
05/18 22Z,   0.00,  -9.05,  -9.59,  99.90,  -0.54,
05/18 23Z,   0.00,  -6.82,  -7.35,  99.90,  -0.53,
05/19 00Z,   0.00,  -4.56,  -4.85,  99.90,  -0.29,
05/19 01Z,   0.00,  -2.62,  -3.03,  99.90,  -0.41,
05/19 02Z,   0.00,  -1.32,  -1.96,  99.90,  -0.64,
05/19 03Z,   0.00,  -0.84,  -1.49,  99.90,  -0.65,
05/19 04Z,   0.00,  -1.09,  -1.47,  99.90,  -0.38,  (max)
05/19 05Z,   0.00,  -1.81,  -1.99,  99.90,  -0.18,
05/19 06Z,   0.00,  -2.56,  -2.75,  99.90,  -0.19,
05/19 07Z,   0.00,  -2.94,  -3.11,  99.90,  -0.17,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 08Z,   0.00,  -2.84,  99.90,  -3.01,  -0.17,
05/19 09Z,   0.00,  -2.46,  99.90,  -2.64,  -0.18,
05/19 10Z,   0.00,  -2.07,  99.90,  -2.25,  -0.18,
05/19 11Z,   0.00,  -1.77,  99.90,  -1.96,  -0.19,
05/19 12Z,   0.00,  -1.65,  99.90,  -1.84,  -0.19,  (max)
05/19 13Z,   0.00,  -1.96,  99.90,  -2.15,  -0.20,
05/19 14Z,   0.00,  -2.99,  99.90,  -3.19,  -0.20,
05/19 15Z,   0.00,  -4.85,  99.90,  -5.06,  -0.21,
05/19 16Z,   0.00,  -7.33,  99.90,  -7.54,  -0.21,
05/19 17Z,   0.00,  -9.98,  99.90, -10.19,  -0.22,
05/19 18Z,   0.00, -12.19,  99.90, -12.41,  -0.22,
05/19 19Z,  -0.10, -13.41,  99.90, -13.74,  -0.23,  (min)
05/19 20Z,  -0.10, -13.40,  99.90, -13.72,  -0.23,
05/19 21Z,   0.00, -12.35,  99.90, -12.57,  -0.23,
05/19 22Z,   0.00, -10.68,  99.90, -10.91,  -0.23,
05/19 23Z,   0.00,  -8.69,  99.90,  -8.92,  -0.23,
05/20 00Z,  -0.10,  -6.49,  99.90,  -6.82,  -0.23,
05/20 01Z,   0.00,  -4.29,  99.90,  -4.52,  -0.23,
05/20 02Z,   0.00,  -2.43,  99.90,  -2.66,  -0.23,
05/20 03Z,   0.00,  -1.25,  99.90,  -1.48,  -0.23,
05/20 04Z,   0.00,  -0.86,  99.90,  -1.08,  -0.23,  (max)
05/20 05Z,   0.00,  -1.16,  99.90,  -1.39,  -0.23,
05/20 06Z,   0.00,  -1.88,  99.90,  -2.10,  -0.23,
05/20 07Z,   0.00,  -2.61,  99.90,  -2.83,  -0.23,
05/20 08Z,   0.00,  -2.99,  99.90,  -3.21,  -0.23,  (min)
05/20 09Z,   0.00,  -2.95,  99.90,  -3.18,  -0.23,
05/20 10Z,  -0.10,  -2.70,  99.90,  -3.03,  -0.23,
05/20 11Z,   0.00,  -2.44,  99.90,  -2.67,  -0.23,
05/20 12Z,   0.00,  -2.23,  99.90,  -2.45,  -0.23,
05/20 13Z,   0.00,  -2.16,  99.90,  -2.38,  -0.23,  (max)
05/20 14Z,  -0.10,  -2.50,  99.90,  -2.83,  -0.23,
05/20 15Z,  -0.10,  -3.54,  99.90,  -3.87,  -0.23,
05/20 16Z,   0.00,  -5.34,  99.90,  -5.56,  -0.23,
05/20 17Z,   0.00,  -7.64,  99.90,  -7.86,  -0.23,
05/20 18Z,  -0.10, -10.01,  99.90, -10.33,  -0.23,
05/20 19Z,  -0.10, -11.91,  99.90, -12.23,  -0.23,
05/20 20Z,  -0.10, -12.87,  99.90, -13.20,  -0.23,  (min)
05/20 21Z,  -0.10, -12.72,  99.90, -13.05,  -0.23,
05/20 22Z,  -0.10, -11.69,  99.90, -12.01,  -0.23,
05/20 23Z,  -0.10, -10.12,  99.90, -10.45,  -0.23,
05/21 00Z,  -0.10,  -8.24,  99.90,  -8.56,  -0.23,
05/21 01Z,  -0.10,  -6.14,  99.90,  -6.46,  -0.23,
05/21 02Z,   0.00,  -4.04,  99.90,  -4.27,  -0.23,
05/21 03Z,   0.00,  -2.33,  99.90,  -2.56,  -0.23,
05/21 04Z,   0.00,  -1.28,  99.90,  -1.51,  -0.23,
05/21 05Z,   0.00,  -0.99,  99.90,  -1.21,  -0.23,  (max)
05/21 06Z,   0.00,  -1.34,  99.90,  -1.57,  -0.23,
05/21 07Z,   0.00,  -2.08,  99.90,  -2.31,  -0.23,
05/21 08Z,   0.00,  -2.84,  99.90,  -3.06,  -0.23,
05/21 09Z,   0.00,  -3.29,  99.90,  -3.51,  -0.23,
05/21 10Z,   0.00,  -3.38,  99.90,  -3.60,  -0.23,  (min)
05/21 11Z,   0.00,  -3.28,  99.90,  -3.50,  -0.23,
05/21 12Z,   0.00,  -3.12,  99.90,  -3.35,  -0.23,
05/21 13Z,   0.00,  -2.95,  99.90,  -3.17,  -0.23,
05/21 14Z,   0.00,  -2.87,  99.90,  -3.10,  -0.23,  (max)
05/21 15Z,   0.00,  -3.17,  99.90,  -3.40,  -0.23,
05/21 16Z,   0.00,  -4.11,  99.90,  -4.33,  -0.23,
05/21 17Z,   0.00,  -5.68,  99.90,  -5.91,  -0.23,
05/21 18Z,   0.00,  -7.66,  99.90,  -7.89,  -0.23,
05/21 19Z,   0.00,  -9.67,  99.90,  -9.89,  -0.23,
05/21 20Z,   0.00, -11.24,  99.90, -11.47,  -0.23,
05/21 21Z,   0.00, -11.99,  99.90, -12.21,  -0.23,  (min)
05/21 22Z,   0.00, -11.78,  99.90, -12.01,  -0.23,
05/21 23Z,   0.00, -10.83,  99.90, -11.06,  -0.23,
05/22 00Z,   0.00,  -9.41,  99.90,  -9.64,  -0.23,
05/22 01Z,   0.00,  -7.66,  99.90,  -7.89,  -0.23,
05/22 02Z,   0.00,  -5.70,  99.90,  -5.92,  -0.23,
05/22 03Z,   0.10,  -3.77,  99.90,  -3.89,  -0.23,
05/22 04Z,   0.10,  -2.23,  99.90,  -2.35,  -0.23,
05/22 05Z,   0.10,  -1.34,  99.90,  -1.46,  -0.23,
05/22 06Z,   0.10,  -1.15,  99.90,  -1.28,  -0.23,  (max)
05/22 07Z,   0.10,  -1.59,  99.90,  -1.71,  -0.23,
05/22 08Z,   0.10,  -2.41,  99.90,  -2.54,  -0.23,
05/22 09Z,   0.10,  -3.27,  99.90,  -3.40,  -0.23,
05/22 10Z,   0.10,  -3.86,  99.90,  -3.98,  -0.23,
05/22 11Z,   0.10,  -4.11,  99.90,  -4.24,  -0.23,
05/22 12Z,   0.10,  -4.16,  99.90,  -4.28,  -0.23,  (min)
05/22 13Z,   0.10,  -4.07,  99.90,  -4.20,  -0.23,
05/22 14Z,   0.10,  -3.88,  99.90,  -4.01,  -0.23,
05/22 15Z,   0.10,  -3.74,  99.90,  -3.86,  -0.23,  (max)
05/22 16Z,   0.10,  -3.91,  99.90,  -4.04,  -0.23,
05/22 17Z,   0.10,  -4.63,  99.90,  -4.75,  -0.23,
05/22 18Z,   0.10,  -5.86,  99.90,  -5.99,  -0.23,
05/22 19Z,   0.10,  -7.42,  99.90,  -7.55,  -0.23,
05/22 20Z,   0.10,  -9.03,  99.90,  -9.15,  -0.23,
05/22 21Z,   0.10, -10.29,  99.90, -10.41,  -0.23,
05/22 22Z,   0.10, -10.87,  99.90, -10.99,  -0.23,  (min)
05/22 23Z,   0.10, -10.66,  99.90, -10.78,  -0.23,
05/23 00Z,   0.10,  -9.81,  99.90,  -9.94,  -0.23,