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 : 07/06/2025 23:22:08 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/05 06Z,   0.10,   7.93,   8.05,  99.90,   0.02,
07/05 07Z,   0.10,   7.97,   8.06,  99.90,  -0.01,  (max)
07/05 08Z,   0.00,   7.51,   7.65,  99.90,   0.14,
07/05 09Z,   0.10,   6.58,   6.67,  99.90,  -0.01,
07/05 10Z,   0.00,   5.26,   5.25,  99.90,  -0.01,
07/05 11Z,   0.00,   3.67,   3.50,  99.90,  -0.17,
07/05 12Z,   0.00,   2.10,   2.04,  99.90,  -0.06,
07/05 13Z,   0.00,   0.93,   0.93,  99.90,   0.00,
07/05 14Z,   0.00,   0.38,   0.41,  99.90,   0.03,  (min)
07/05 15Z,   0.00,   0.41,   0.54,  99.90,   0.13,
07/05 16Z,   0.00,   0.90,   1.16,  99.90,   0.26,
07/05 17Z,   0.00,   1.72,   1.98,  99.90,   0.26,
07/05 18Z,   0.00,   2.79,   3.10,  99.90,   0.31,
07/05 19Z,  -0.10,   3.92,   4.30,  99.90,   0.48,
07/05 20Z,  -0.10,   4.98,   5.29,  99.90,   0.41,
07/05 21Z,   0.00,   5.89,   6.11,  99.90,   0.22,
07/05 22Z,   0.00,   6.56,   6.52,  99.90,  -0.04,
07/05 23Z,  -0.10,   6.87,   6.71,  99.90,  -0.06,
07/06 00Z,  -0.10,   6.81,   6.76,  99.90,   0.05,  (max)
07/06 01Z,   0.00,   6.61,   6.52,  99.90,  -0.09,
07/06 02Z,   0.00,   6.54,   6.49,  99.90,  -0.05,  (min)
07/06 03Z,   0.00,   6.68,   6.66,  99.90,  -0.02,
07/06 04Z,  -0.10,   6.98,   6.92,  99.90,   0.04,
07/06 05Z,   0.00,   7.35,   7.34,  99.90,  -0.01,
07/06 06Z,   0.00,   7.72,   7.58,  99.90,  -0.14,
07/06 07Z,   0.00,   7.89,   7.75,  99.90,  -0.14,  (max)
07/06 08Z,   0.00,   7.66,   7.55,  99.90,  -0.11,
07/06 09Z,   0.00,   6.95,   6.91,  99.90,  -0.04,
07/06 10Z,   0.00,   5.80,   5.79,  99.90,  -0.01,
07/06 11Z,   0.00,   4.29,   4.21,  99.90,  -0.08,
07/06 12Z,  -0.10,   2.57,   2.52,  99.90,   0.05,
07/06 13Z,   0.00,   1.01,   1.10,  99.90,   0.09,
07/06 14Z,   0.00,  -0.02,   0.10,  99.90,   0.12,
07/06 15Z,  -0.10,  -0.35,  -0.22,  99.90,   0.23,  (min)
07/06 16Z,  -0.10,  -0.06,   0.11,  99.90,   0.27,
07/06 17Z,   0.00,   0.67,   0.91,  99.90,   0.24,
07/06 18Z,  -0.10,   1.74,   1.97,  99.90,   0.33,
07/06 19Z,  -0.10,   3.05,   3.39,  99.90,   0.44,
07/06 20Z,  -0.10,   4.41,   4.72,  99.90,   0.41,
07/06 21Z,  -0.10,   5.68,   5.94,  99.90,   0.36,
07/06 22Z,  -0.10,   6.73,   6.73,  99.90,   0.10,
07/06 23Z,  -0.10,   7.45,   7.24,  99.90,  -0.11,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/07 00Z,   0.00,   7.69,  99.90,   7.60,  -0.09,  (max)
07/07 01Z,   0.00,   7.53,  99.90,   7.46,  -0.07,
07/07 02Z,   0.00,   7.25,  99.90,   7.19,  -0.06,
07/07 03Z,   0.00,   7.10,  99.90,   7.06,  -0.04,  (min)
07/07 04Z,   0.00,   7.16,  99.90,   7.13,  -0.02,
07/07 05Z,   0.00,   7.33,  99.90,   7.32,  -0.01,
07/07 06Z,   0.00,   7.56,  99.90,   7.57,   0.01,
07/07 07Z,   0.00,   7.76,  99.90,   7.79,   0.03,  (max)
07/07 08Z,   0.00,   7.74,  99.90,   7.79,   0.04,
07/07 09Z,   0.00,   7.31,  99.90,   7.37,   0.06,
07/07 10Z,   0.00,   6.39,  99.90,   6.47,   0.08,
07/07 11Z,   0.00,   5.03,  99.90,   5.12,   0.09,
07/07 12Z,   0.00,   3.32,  99.90,   3.42,   0.09,
07/07 13Z,   0.00,   1.52,  99.90,   1.61,   0.09,
07/07 14Z,   0.00,   0.02,  99.90,   0.11,   0.09,
07/07 15Z,   0.00,  -0.80,  99.90,  -0.71,   0.09,
07/07 16Z,   0.00,  -0.85,  99.90,  -0.76,   0.09,  (min)
07/07 17Z,   0.00,  -0.29,  99.90,  -0.20,   0.09,
07/07 18Z,   0.00,   0.70,  99.90,   0.79,   0.09,
07/07 19Z,   0.00,   2.02,  99.90,   2.11,   0.09,
07/07 20Z,   0.00,   3.54,  99.90,   3.64,   0.09,
07/07 21Z,   0.00,   5.09,  99.90,   5.18,   0.09,
07/07 22Z,   0.00,   6.46,  99.90,   6.55,   0.09,
07/07 23Z,   0.00,   7.52,  99.90,   7.62,   0.09,
07/08 00Z,   0.00,   8.13,  99.90,   8.22,   0.09,
07/08 01Z,   0.10,   8.20,  99.90,   8.40,   0.09,  (max)
07/08 02Z,   0.10,   7.89,  99.90,   8.09,   0.09,
07/08 03Z,   0.20,   7.53,  99.90,   7.83,   0.09,
07/08 04Z,   0.20,   7.36,  99.90,   7.65,   0.09,  (min)
07/08 05Z,   0.20,   7.38,  99.90,   7.67,   0.09,
07/08 06Z,   0.20,   7.49,  99.90,   7.78,   0.09,
07/08 07Z,   0.20,   7.64,  99.90,   7.93,   0.09,  (max)
07/08 08Z,   0.10,   7.73,  99.90,   7.92,   0.09,
07/08 09Z,   0.10,   7.58,  99.90,   7.77,   0.09,
07/08 10Z,   0.10,   6.97,  99.90,   7.16,   0.09,
07/08 11Z,   0.10,   5.84,  99.90,   6.03,   0.09,
07/08 12Z,   0.10,   4.26,  99.90,   4.45,   0.09,
07/08 13Z,   0.10,   2.38,  99.90,   2.57,   0.09,
07/08 14Z,   0.10,   0.53,  99.90,   0.72,   0.09,
07/08 15Z,   0.10,  -0.83,  99.90,  -0.64,   0.09,
07/08 16Z,   0.10,  -1.39,  99.90,  -1.20,   0.09,  (min)
07/08 17Z,   0.10,  -1.13,  99.90,  -0.94,   0.09,
07/08 18Z,   0.10,  -0.29,  99.90,  -0.10,   0.09,
07/08 19Z,   0.00,   0.94,  99.90,   1.03,   0.09,
07/08 20Z,   0.10,   2.49,  99.90,   2.68,   0.09,
07/08 21Z,   0.10,   4.20,  99.90,   4.39,   0.09,
07/08 22Z,   0.10,   5.84,  99.90,   6.04,   0.09,
07/08 23Z,   0.10,   7.21,  99.90,   7.40,   0.09,
07/09 00Z,   0.10,   8.15,  99.90,   8.34,   0.09,
07/09 01Z,   0.10,   8.53,  99.90,   8.72,   0.09,  (max)
07/09 02Z,   0.10,   8.38,  99.90,   8.57,   0.09,
07/09 03Z,   0.10,   7.94,  99.90,   8.13,   0.09,
07/09 04Z,   0.10,   7.56,  99.90,   7.75,   0.09,
07/09 05Z,   0.10,   7.41,  99.90,   7.60,   0.09,  (min)
07/09 06Z,   0.10,   7.45,  99.90,   7.64,   0.09,
07/09 07Z,   0.10,   7.55,  99.90,   7.74,   0.09,
07/09 08Z,   0.10,   7.66,  99.90,   7.85,   0.09,  (max)
07/09 09Z,   0.00,   7.69,  99.90,   7.78,   0.09,
07/09 10Z,   0.00,   7.42,  99.90,   7.51,   0.09,
07/09 11Z,   0.10,   6.64,  99.90,   6.83,   0.09,
07/09 12Z,   0.10,   5.28,  99.90,   5.47,   0.09,
07/09 13Z,   0.10,   3.47,  99.90,   3.66,   0.09,
07/09 14Z,   0.00,   1.45,  99.90,   1.54,   0.09,
07/09 15Z,   0.00,  -0.37,  99.90,  -0.28,   0.09,
07/09 16Z,   0.10,  -1.53,  99.90,  -1.34,   0.09,
07/09 17Z,   0.10,  -1.77,  99.90,  -1.58,   0.09,  (min)
07/09 18Z,   0.00,  -1.21,  99.90,  -1.12,   0.09,
07/09 19Z,   0.00,  -0.11,  99.90,  -0.02,   0.09,
07/09 20Z,   0.00,   1.35,  99.90,   1.44,   0.09,
07/09 21Z,   0.00,   3.09,  99.90,   3.18,   0.09,
07/09 22Z,   0.00,   4.93,  99.90,   5.02,   0.09,
07/09 23Z,   0.00,   6.59,  99.90,   6.69,   0.09,
07/10 00Z,   0.00,   7.84,  99.90,   7.94,   0.09,
07/10 01Z,   0.00,   8.54,  99.90,   8.63,   0.09,
07/10 02Z,   0.10,   8.65,  99.90,   8.84,   0.09,  (max)
07/10 03Z,   0.10,   8.28,  99.90,   8.47,   0.09,
07/10 04Z,   0.10,   7.76,  99.90,   7.95,   0.09,
07/10 05Z,   0.00,   7.42,  99.90,   7.51,   0.09,  (min)
07/10 06Z,   0.10,   7.35,  99.90,   7.54,   0.09,
07/10 07Z,   0.10,   7.44,  99.90,   7.63,   0.09,
07/10 08Z,   0.00,   7.55,  99.90,   7.64,   0.09,
07/10 09Z,   0.00,   7.66,  99.90,   7.75,   0.09,  (max)
07/10 10Z,   0.00,   7.64,  99.90,   7.73,   0.09,
07/10 11Z,   0.00,   7.25,  99.90,   7.34,   0.09,
07/10 12Z,   0.00,   6.26,  99.90,   6.36,   0.09,
07/10 13Z,   0.00,   4.67,  99.90,   4.77,   0.09,
07/10 14Z,   0.00,   2.66,  99.90,   2.75,   0.09,
07/10 15Z,   0.00,   0.57,  99.90,   0.66,   0.09,
07/10 16Z,   0.00,  -1.15,  99.90,  -1.05,   0.09,
07/10 17Z,   0.00,  -2.03,  99.90,  -1.94,   0.09,  (min)
07/10 18Z,   0.00,  -1.95,  99.90,  -1.86,   0.09,