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
#North Spit, CA : 07/20/2026 15:23:39 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 00Z,   0.50,  -0.70,   0.04,  99.90,   0.24,  (max)
07/19 01Z,   0.50,  -1.53,  -0.88,  99.90,   0.15,
07/19 02Z,   0.50,  -2.69,  -2.01,  99.90,   0.18,
07/19 03Z,   0.50,  -3.90,  -3.17,  99.90,   0.23,
07/19 04Z,   0.50,  -4.80,  -3.95,  99.90,   0.35,
07/19 05Z,   0.50,  -5.13,  -4.33,  99.90,   0.30,  (min)
07/19 06Z,   0.50,  -4.80,  -4.04,  99.90,   0.26,
07/19 07Z,   0.50,  -3.98,  -3.23,  99.90,   0.25,
07/19 08Z,   0.50,  -2.96,  -2.20,  99.90,   0.26,
07/19 09Z,   0.60,  -1.98,  -1.27,  99.90,   0.11,
07/19 10Z,   0.60,  -1.27,  -0.56,  99.90,   0.11,
07/19 11Z,   0.60,  -1.08,  -0.33,  99.90,   0.15,  (max)
07/19 12Z,   0.50,  -1.51,  -0.78,  99.90,   0.23,
07/19 13Z,   0.50,  -2.50,  -1.80,  99.90,   0.20,
07/19 14Z,   0.50,  -3.79,  -3.06,  99.90,   0.23,
07/19 15Z,   0.50,  -5.10,  -4.26,  99.90,   0.34,
07/19 16Z,   0.40,  -6.10,  -5.30,  99.90,   0.40,
07/19 17Z,   0.40,  -6.52,  -5.68,  99.90,   0.44,  (min)
07/19 18Z,   0.40,  -6.21,  -5.34,  99.90,   0.47,
07/19 19Z,   0.40,  -5.28,  -4.36,  99.90,   0.52,
07/19 20Z,   0.40,  -3.99,  -3.08,  99.90,   0.51,
07/19 21Z,   0.50,  -2.63,  -1.78,  99.90,   0.35,
07/19 22Z,   0.40,  -1.41,  -0.56,  99.90,   0.45,
07/19 23Z,   0.50,  -0.58,   0.27,  99.90,   0.35,
07/20 00Z,   0.50,  -0.36,   0.52,  99.90,   0.38,  (max)
07/20 01Z,   0.50,  -0.79,   0.08,  99.90,   0.37,
07/20 02Z,   0.60,  -1.72,  -0.84,  99.90,   0.28,
07/20 03Z,   0.60,  -2.92,  -1.96,  99.90,   0.36,
07/20 04Z,   0.60,  -4.10,  -3.11,  99.90,   0.39,
07/20 05Z,   0.50,  -4.98,  -3.94,  99.90,   0.54,
07/20 06Z,   0.60,  -5.30,  -4.29,  99.90,   0.41,  (min)
07/20 07Z,   0.60,  -5.03,  -4.16,  99.90,   0.27,
07/20 08Z,   0.60,  -4.35,  -3.44,  99.90,   0.31,
07/20 09Z,   0.60,  -3.48,  -2.58,  99.90,   0.30,
07/20 10Z,   0.60,  -2.63,  -1.85,  99.90,   0.18,
07/20 11Z,   0.60,  -2.02,  -1.28,  99.90,   0.14,
07/20 12Z,   0.60,  -1.83,  -1.05,  99.90,   0.18,  (max)
07/20 13Z,   0.60,  -2.17,  -1.33,  99.90,   0.24,
07/20 14Z,   0.60,  -2.93,  -2.03,  99.90,   0.30,
07/20 15Z,   0.60,  -3.90,  -3.02,  99.90,   0.28,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 16Z,   0.60,  -4.83,  99.90,  -3.94,   0.28,
07/20 17Z,   0.60,  -5.48,  99.90,  -4.59,   0.29,
07/20 18Z,   0.60,  -5.62,  99.90,  -4.73,   0.29,  (min)
07/20 19Z,   0.60,  -5.18,  99.90,  -4.28,   0.30,
07/20 20Z,   0.60,  -4.26,  99.90,  -3.36,   0.30,
07/20 21Z,   0.50,  -3.11,  99.90,  -2.30,   0.31,
07/20 22Z,   0.50,  -1.94,  99.90,  -1.13,   0.31,
07/20 23Z,   0.60,  -0.96,  99.90,  -0.05,   0.32,
07/21 00Z,   0.60,  -0.38,  99.90,   0.54,   0.32,
07/21 01Z,   0.60,  -0.38,  99.90,   0.55,   0.33,  (max)
07/21 02Z,   0.50,  -0.95,  99.90,  -0.12,   0.33,
07/21 03Z,   0.60,  -1.94,  99.90,  -1.00,   0.34,
07/21 04Z,   0.60,  -3.13,  99.90,  -2.20,   0.34,
07/21 05Z,   0.50,  -4.29,  99.90,  -3.46,   0.34,
07/21 06Z,   0.50,  -5.15,  99.90,  -4.32,   0.34,
07/21 07Z,   0.50,  -5.50,  99.90,  -4.67,   0.34,  (min)
07/21 08Z,   0.60,  -5.32,  99.90,  -4.39,   0.34,
07/21 09Z,   0.60,  -4.76,  99.90,  -3.82,   0.34,
07/21 10Z,   0.60,  -4.01,  99.90,  -3.08,   0.34,
07/21 11Z,   0.60,  -3.26,  99.90,  -2.32,   0.34,
07/21 12Z,   0.60,  -2.67,  99.90,  -1.73,   0.34,
07/21 13Z,   0.60,  -2.43,  99.90,  -1.49,   0.34,  (max)
07/21 14Z,   0.60,  -2.61,  99.90,  -1.68,   0.34,
07/21 15Z,   0.60,  -3.12,  99.90,  -2.18,   0.34,
07/21 16Z,   0.50,  -3.76,  99.90,  -2.92,   0.34,
07/21 17Z,   0.60,  -4.37,  99.90,  -3.43,   0.34,
07/21 18Z,   0.50,  -4.76,  99.90,  -3.92,   0.34,  (min)
07/21 19Z,   0.50,  -4.74,  99.90,  -3.90,   0.34,
07/21 20Z,   0.50,  -4.25,  99.90,  -3.41,   0.34,
07/21 21Z,   0.50,  -3.41,  99.90,  -2.57,   0.34,
07/21 22Z,   0.60,  -2.42,  99.90,  -1.48,   0.34,
07/21 23Z,   0.60,  -1.46,  99.90,  -0.52,   0.34,
07/22 00Z,   0.60,  -0.69,  99.90,   0.25,   0.34,
07/22 01Z,   0.60,  -0.31,  99.90,   0.62,   0.34,  (max)
07/22 02Z,   0.60,  -0.47,  99.90,   0.47,   0.34,
07/22 03Z,   0.60,  -1.13,  99.90,  -0.20,   0.34,
07/22 04Z,   0.50,  -2.15,  99.90,  -1.31,   0.34,
07/22 05Z,   0.50,  -3.34,  99.90,  -2.50,   0.34,
07/22 06Z,   0.50,  -4.49,  99.90,  -3.66,   0.34,
07/22 07Z,   0.50,  -5.36,  99.90,  -4.53,   0.34,
07/22 08Z,   0.60,  -5.75,  99.90,  -4.82,   0.34,  (min)
07/22 09Z,   0.60,  -5.65,  99.90,  -4.71,   0.34,
07/22 10Z,   0.60,  -5.17,  99.90,  -4.24,   0.34,
07/22 11Z,   0.60,  -4.50,  99.90,  -3.56,   0.34,
07/22 12Z,   0.60,  -3.76,  99.90,  -2.82,   0.34,
07/22 13Z,   0.60,  -3.13,  99.90,  -2.20,   0.34,
07/22 14Z,   0.60,  -2.80,  99.90,  -1.86,   0.34,  (max)
07/22 15Z,   0.60,  -2.80,  99.90,  -1.87,   0.34,
07/22 16Z,   0.60,  -3.06,  99.90,  -2.12,   0.34,
07/22 17Z,   0.60,  -3.44,  99.90,  -2.51,   0.34,
07/22 18Z,   0.60,  -3.83,  99.90,  -2.90,   0.34,
07/22 19Z,   0.60,  -4.07,  99.90,  -3.13,   0.34,  (min)
07/22 20Z,   0.60,  -3.99,  99.90,  -3.05,   0.34,
07/22 21Z,   0.60,  -3.53,  99.90,  -2.59,   0.34,
07/22 22Z,   0.60,  -2.79,  99.90,  -1.86,   0.34,
07/22 23Z,   0.70,  -1.96,  99.90,  -0.92,   0.34,
07/23 00Z,   0.70,  -1.16,  99.90,  -0.12,   0.34,
07/23 01Z,   0.60,  -0.55,  99.90,   0.39,   0.34,
07/23 02Z,   0.60,  -0.32,  99.90,   0.62,   0.34,  (max)
07/23 03Z,   0.60,  -0.58,  99.90,   0.35,   0.34,
07/23 04Z,   0.70,  -1.31,  99.90,  -0.27,   0.34,
07/23 05Z,   0.70,  -2.35,  99.90,  -1.31,   0.34,
07/23 06Z,   0.60,  -3.55,  99.90,  -2.62,   0.34,
07/23 07Z,   0.60,  -4.73,  99.90,  -3.79,   0.34,
07/23 08Z,   0.70,  -5.63,  99.90,  -4.59,   0.34,
07/23 09Z,   0.70,  -6.05,  99.90,  -5.01,   0.34,  (min)
07/23 10Z,   0.70,  -5.98,  99.90,  -4.95,   0.34,
07/23 11Z,   0.70,  -5.54,  99.90,  -4.51,   0.34,
07/23 12Z,   0.70,  -4.86,  99.90,  -3.82,   0.34,
07/23 13Z,   0.70,  -4.08,  99.90,  -3.04,   0.34,
07/23 14Z,   0.70,  -3.37,  99.90,  -2.33,   0.34,
07/23 15Z,   0.70,  -2.91,  99.90,  -1.88,   0.34,
07/23 16Z,   0.60,  -2.76,  99.90,  -1.82,   0.34,  (max)
07/23 17Z,   0.60,  -2.84,  99.90,  -1.90,   0.34,
07/23 18Z,   0.70,  -3.06,  99.90,  -2.03,   0.34,
07/23 19Z,   0.60,  -3.35,  99.90,  -2.41,   0.34,
07/23 20Z,   0.60,  -3.54,  99.90,  -2.60,   0.34,  (min)
07/23 21Z,   0.60,  -3.46,  99.90,  -2.52,   0.34,
07/23 22Z,   0.60,  -3.06,  99.90,  -2.12,   0.34,
07/23 23Z,   0.60,  -2.42,  99.90,  -1.48,   0.34,
07/24 00Z,   0.70,  -1.68,  99.90,  -0.64,   0.34,
07/24 01Z,   0.60,  -0.98,  99.90,  -0.04,   0.34,
07/24 02Z,   0.60,  -0.46,  99.90,   0.47,   0.34,
07/24 03Z,   0.60,  -0.33,  99.90,   0.61,   0.34,  (max)
07/24 04Z,   0.60,  -0.67,  99.90,   0.26,   0.34,
07/24 05Z,   0.60,  -1.46,  99.90,  -0.52,   0.34,
07/24 06Z,   0.60,  -2.55,  99.90,  -1.61,   0.34,
07/24 07Z,  99.90,  -3.81,  99.90,  99.90,   0.34,
07/24 08Z,  99.90,  -5.03,  99.90,  99.90,   0.34,
07/24 09Z,  99.90,  -5.95,  99.90,  99.90,   0.34,
07/24 10Z,  99.90,  -6.38,  99.90,  99.90,   0.34,
07/24 11Z,  99.90,  -6.30,  99.90,  99.90,   0.34,
07/24 12Z,  99.90,  -5.81,  99.90,  99.90,   0.34,