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
#Charleston, SC : 07/08/2025 13:21:36 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/06 18Z,   0.40,  -4.97,  -4.88,  99.90,  -0.31,
07/06 19Z,   0.30,  -3.81,  -3.67,  99.90,  -0.16,
07/06 20Z,   0.20,  -2.84,  -2.78,  99.90,  -0.14,
07/06 21Z,   0.30,  -2.23,  -2.22,  99.90,  -0.29,
07/06 22Z,   0.30,  -2.06,  -2.02,  99.90,  -0.26,  (max)
07/06 23Z,   0.30,  -2.40,  -2.34,  99.90,  -0.24,
07/07 00Z,   0.30,  -3.21,  -3.05,  99.90,  -0.14,
07/07 01Z,   0.30,  -4.29,  -4.19,  99.90,  -0.20,
07/07 02Z,   0.30,  -5.38,  -5.38,  99.90,  -0.30,
07/07 03Z,   0.30,  -6.26,  -6.29,  99.90,  -0.33,
07/07 04Z,   0.30,  -6.67,  -6.64,  99.90,  -0.27,  (min)
07/07 05Z,   0.20,  -6.48,  -6.37,  99.90,  -0.09,
07/07 06Z,   0.10,  -5.76,  -5.56,  99.90,   0.10,
07/07 07Z,   0.20,  -4.80,  -4.50,  99.90,   0.10,
07/07 08Z,   0.20,  -3.93,  -3.68,  99.90,   0.05,
07/07 09Z,   0.20,  -3.38,  -3.21,  99.90,  -0.03,
07/07 10Z,   0.20,  -3.24,  -3.16,  99.90,  -0.12,  (max)
07/07 11Z,   0.20,  -3.57,  -3.46,  99.90,  -0.09,
07/07 12Z,   0.10,  -4.31,  -4.18,  99.90,   0.03,
07/07 13Z,   0.10,  -5.28,  -5.12,  99.90,   0.06,
07/07 14Z,   0.10,  -6.21,  -6.06,  99.90,   0.05,
07/07 15Z,   0.10,  -6.88,  -6.57,  99.90,   0.21,
07/07 16Z,   0.20,  -7.10,  -6.73,  99.90,   0.17,  (min)
07/07 17Z,   0.20,  -6.76,  -6.36,  99.90,   0.20,
07/07 18Z,   0.30,  -5.87,  -5.52,  99.90,   0.05,
07/07 19Z,   0.30,  -4.67,  -4.38,  99.90,  -0.01,
07/07 20Z,   0.30,  -3.48,  -3.25,  99.90,  -0.07,
07/07 21Z,   0.30,  -2.55,  -2.40,  99.90,  -0.15,
07/07 22Z,   0.30,  -2.01,  -1.97,  99.90,  -0.26,
07/07 23Z,   0.30,  -1.95,  -1.95,  99.90,  -0.30,  (max)
07/08 00Z,   0.30,  -2.42,  -2.34,  99.90,  -0.22,
07/08 01Z,   0.30,  -3.35,  -3.25,  99.90,  -0.20,
07/08 02Z,   0.30,  -4.52,  -4.42,  99.90,  -0.20,
07/08 03Z,   0.30,  -5.67,  -5.66,  99.90,  -0.29,
07/08 04Z,   0.30,  -6.52,  -6.42,  99.90,  -0.20,
07/08 05Z,   0.20,  -6.84,  -6.72,  99.90,  -0.08,  (min)
07/08 06Z,   0.20,  -6.50,  -6.32,  99.90,  -0.02,
07/08 07Z,   0.20,  -5.64,  -5.51,  99.90,  -0.07,
07/08 08Z,   0.20,  -4.62,  -4.40,  99.90,   0.02,
07/08 09Z,   0.20,  -3.77,  -3.56,  99.90,   0.01,
07/08 10Z,   0.20,  -3.27,  -3.09,  99.90,  -0.02,
07/08 11Z,   0.20,  -3.22,  -3.05,  99.90,  -0.03,  (max)
07/08 12Z,   0.20,  -3.64,  -3.46,  99.90,  -0.02,
07/08 13Z,   0.20,  -4.46,  -4.28,  99.90,  -0.02,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/08 14Z,   0.20,  -5.49,  99.90,  -5.30,  -0.01,
07/08 15Z,   0.20,  -6.43,  99.90,  -6.25,  -0.01,
07/08 16Z,   0.10,  -7.06,  99.90,  -6.97,  -0.01,
07/08 17Z,   0.20,  -7.17,  99.90,  -6.98,  -0.01,  (min)
07/08 18Z,   0.20,  -6.66,  99.90,  -6.47,  -0.01,
07/08 19Z,   0.20,  -5.61,  99.90,  -5.42,  -0.01,
07/08 20Z,   0.20,  -4.32,  99.90,  -4.13,  -0.01,
07/08 21Z,   0.30,  -3.14,  99.90,  -2.85,  -0.01,
07/08 22Z,   0.20,  -2.27,  99.90,  -2.08,  -0.01,
07/08 23Z,   0.20,  -1.83,  99.90,  -1.64,  -0.01,  (max)
07/09 00Z,   0.20,  -1.89,  99.90,  -1.70,  -0.01,
07/09 01Z,   0.20,  -2.50,  99.90,  -2.31,  -0.00,
07/09 02Z,   0.20,  -3.57,  99.90,  -3.37,  -0.00,
07/09 03Z,   0.20,  -4.84,  99.90,  -4.64,  -0.00,
07/09 04Z,   0.10,  -6.02,  99.90,  -5.92,  -0.00,
07/09 05Z,   0.10,  -6.80,  99.90,  -6.71,  -0.00,
07/09 06Z,   0.20,  -6.96,  99.90,  -6.76,  -0.00,  (min)
07/09 07Z,   0.20,  -6.43,  99.90,  -6.24,  -0.00,
07/09 08Z,   0.20,  -5.45,  99.90,  -5.25,  -0.00,
07/09 09Z,   0.20,  -4.38,  99.90,  -4.19,  -0.00,
07/09 10Z,   0.10,  -3.57,  99.90,  -3.47,  -0.00,
07/09 11Z,   0.10,  -3.15,  99.90,  -3.06,  -0.00,  (max)
07/09 12Z,   0.10,  -3.20,  99.90,  -3.11,  -0.00,
07/09 13Z,   0.10,  -3.73,  99.90,  -3.63,  -0.00,
07/09 14Z,   0.10,  -4.65,  99.90,  -4.56,  -0.00,
07/09 15Z,   0.10,  -5.74,  99.90,  -5.64,  -0.00,
07/09 16Z,   0.10,  -6.68,  99.90,  -6.59,  -0.00,
07/09 17Z,   0.10,  -7.24,  99.90,  -7.14,  -0.00,  (min)
07/09 18Z,   0.10,  -7.20,  99.90,  -7.10,  -0.00,
07/09 19Z,   0.10,  -6.49,  99.90,  -6.40,  -0.00,
07/09 20Z,   0.20,  -5.29,  99.90,  -5.10,  -0.00,
07/09 21Z,   0.20,  -3.94,  99.90,  -3.74,  -0.00,
07/09 22Z,   0.30,  -2.78,  99.90,  -2.49,  -0.00,
07/09 23Z,   0.30,  -2.01,  99.90,  -1.71,  -0.00,
07/10 00Z,   0.30,  -1.69,  99.90,  -1.39,  -0.00,  (max)
07/10 01Z,   0.20,  -1.90,  99.90,  -1.71,  -0.00,
07/10 02Z,   0.30,  -2.67,  99.90,  -2.38,  -0.00,
07/10 03Z,   0.30,  -3.87,  99.90,  -3.58,  -0.00,
07/10 04Z,   0.20,  -5.23,  99.90,  -5.03,  -0.00,
07/10 05Z,   0.00,  -6.39,  99.90,  -6.39,  -0.00,
07/10 06Z,   0.00,  -7.05,  99.90,  -7.06,  -0.00,  (min)
07/10 07Z,   0.00,  -7.01,  99.90,  -7.01,  -0.00,
07/10 08Z,   0.00,  -6.28,  99.90,  -6.28,  -0.00,
07/10 09Z,   0.10,  -5.17,  99.90,  -5.07,  -0.00,
07/10 10Z,   0.00,  -4.10,  99.90,  -4.10,  -0.00,
07/10 11Z,   0.10,  -3.35,  99.90,  -3.26,  -0.00,
07/10 12Z,   0.20,  -3.04,  99.90,  -2.85,  -0.00,  (max)
07/10 13Z,   0.10,  -3.21,  99.90,  -3.12,  -0.00,
07/10 14Z,   0.00,  -3.86,  99.90,  -3.87,  -0.00,
07/10 15Z,   0.00,  -4.88,  99.90,  -4.89,  -0.00,
07/10 16Z,   0.00,  -6.02,  99.90,  -6.02,  -0.00,
07/10 17Z,   0.00,  -6.94,  99.90,  -6.94,  -0.00,
07/10 18Z,   0.10,  -7.38,  99.90,  -7.28,  -0.00,  (min)
07/10 19Z,   0.20,  -7.15,  99.90,  -6.95,  -0.00,
07/10 20Z,   0.20,  -6.25,  99.90,  -6.05,  -0.00,
07/10 21Z,   0.20,  -4.91,  99.90,  -4.71,  -0.00,
07/10 22Z,   0.20,  -3.53,  99.90,  -3.33,  -0.00,
07/10 23Z,   0.20,  -2.44,  99.90,  -2.25,  -0.00,
07/11 00Z,   0.20,  -1.79,  99.90,  -1.59,  -0.00,
07/11 01Z,   0.10,  -1.62,  99.90,  -1.52,  -0.00,  (max)
07/11 02Z,   0.10,  -2.00,  99.90,  -1.91,  -0.00,
07/11 03Z,   0.10,  -2.94,  99.90,  -2.85,  -0.00,
07/11 04Z,   0.00,  -4.27,  99.90,  -4.28,  -0.00,
07/11 05Z,   0.10,  -5.67,  99.90,  -5.57,  -0.00,
07/11 06Z,   0.10,  -6.76,  99.90,  -6.67,  -0.00,
07/11 07Z,   0.00,  -7.25,  99.90,  -7.25,  -0.00,  (min)
07/11 08Z,   0.00,  -6.97,  99.90,  -6.97,  -0.00,
07/11 09Z,   0.10,  -6.04,  99.90,  -5.94,  -0.00,
07/11 10Z,   0.20,  -4.83,  99.90,  -4.64,  -0.00,
07/11 11Z,   0.20,  -3.79,  99.90,  -3.59,  -0.00,
07/11 12Z,   0.10,  -3.14,  99.90,  -3.04,  -0.00,
07/11 13Z,   0.10,  -2.96,  99.90,  -2.86,  -0.00,  (max)
07/11 14Z,   0.10,  -3.26,  99.90,  -3.16,  -0.00,
07/11 15Z,   0.10,  -4.04,  99.90,  -3.94,  -0.00,
07/11 16Z,   0.00,  -5.15,  99.90,  -5.15,  -0.00,
07/11 17Z,   0.00,  -6.30,  99.90,  -6.31,  -0.00,
07/11 18Z,   0.10,  -7.16,  99.90,  -7.07,  -0.00,
07/11 19Z,   0.20,  -7.45,  99.90,  -7.25,  -0.00,  (min)
07/11 20Z,   0.20,  -7.01,  99.90,  -6.82,  -0.00,
07/11 21Z,   0.30,  -5.92,  99.90,  -5.62,  -0.00,
07/11 22Z,   0.20,  -4.48,  99.90,  -4.29,  -0.00,
07/11 23Z,   0.20,  -3.13,  99.90,  -2.93,  -0.00,
07/12 00Z,   0.20,  -2.15,  99.90,  -1.95,  -0.00,
07/12 01Z,   0.20,  -1.64,  99.90,  -1.44,  -0.00,  (max)
07/12 02Z,   0.20,  -1.64,  99.90,  -1.45,  -0.00,
07/12 03Z,   0.10,  -2.21,  99.90,  -2.12,  -0.00,
07/12 04Z,   0.00,  -3.32,  99.90,  -3.32,  -0.00,
07/12 05Z,   0.00,  -4.75,  99.90,  -4.75,  -0.00,
07/12 06Z,   0.00,  -6.14,  99.90,  -6.14,  -0.00,