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
#San Francisco, CA : 04/13/2026 06:22:39 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 12Z,   0.60,  -3.32,  -2.66,  99.90,   0.06,
04/11 13Z,   0.70,  -2.96,  -2.40,  99.90,  -0.14,
04/11 14Z,   0.60,  -2.84,  -2.31,  99.90,  -0.07,  (max)
04/11 15Z,   0.60,  -3.08,  -2.54,  99.90,  -0.06,
04/11 16Z,   0.70,  -3.68,  -3.08,  99.90,  -0.10,
04/11 17Z,   0.70,  -4.56,  -3.96,  99.90,  -0.10,
04/11 18Z,   0.80,  -5.54,  -4.95,  99.90,  -0.21,
04/11 19Z,   0.80,  -6.40,  -5.68,  99.90,  -0.08,
04/11 20Z,   0.90,  -6.96,  -6.31,  99.90,  -0.25,  (min)
04/11 21Z,   0.90,  -7.13,  -6.22,  99.90,   0.01,
04/11 22Z,   0.90,  -6.92,  -5.94,  99.90,   0.08,
04/11 23Z,   1.00,  -6.39,  -5.41,  99.90,  -0.02,
04/12 00Z,   0.80,  -5.65,  -4.61,  99.90,   0.24,
04/12 01Z,   0.90,  -4.82,  -3.88,  99.90,   0.04,
04/12 02Z,   0.90,  -4.04,  -2.96,  99.90,   0.18,
04/12 03Z,   0.80,  -3.42,  -2.39,  99.90,   0.23,
04/12 04Z,   0.80,  -3.10,  -1.93,  99.90,   0.37,  (max)
04/12 05Z,   0.90,  -3.12,  -2.03,  99.90,   0.19,
04/12 06Z,   0.80,  -3.46,  -2.38,  99.90,   0.28,
04/12 07Z,   0.70,  -3.97,  -2.88,  99.90,   0.39,
04/12 08Z,   0.80,  -4.46,  -3.43,  99.90,   0.23,
04/12 09Z,   0.80,  -4.77,  -3.77,  99.90,   0.20,
04/12 10Z,   0.80,  -4.79,  -3.82,  99.90,   0.17,  (min)
04/12 11Z,   0.70,  -4.51,  -3.52,  99.90,   0.29,
04/12 12Z,   0.90,  -4.01,  -3.13,  99.90,  -0.02,
04/12 13Z,   0.90,  -3.44,  -2.60,  99.90,  -0.06,
04/12 14Z,   0.90,  -2.97,  -2.22,  99.90,  -0.15,
04/12 15Z,   0.80,  -2.77,  -1.96,  99.90,   0.01,  (max)
04/12 16Z,   0.80,  -2.97,  -2.18,  99.90,  -0.01,
04/12 17Z,   0.90,  -3.60,  -2.85,  99.90,  -0.15,
04/12 18Z,   1.00,  -4.54,  -3.82,  99.90,  -0.28,
04/12 19Z,   1.00,  -5.59,  -4.87,  99.90,  -0.28,
04/12 20Z,   0.90,  -6.50,  -5.81,  99.90,  -0.21,
04/12 21Z,   0.90,  -7.04,  -6.39,  99.90,  -0.25,
04/12 22Z,   0.80,  -7.14,  -6.55,  99.90,  -0.21,  (min)
04/12 23Z,   0.80,  -6.80,  -6.08,  99.90,  -0.08,
04/13 00Z,   0.70,  -6.13,  -5.42,  99.90,   0.01,
04/13 01Z,   0.70,  -5.25,  -4.60,  99.90,  -0.05,
04/13 02Z,   0.70,  -4.32,  -3.67,  99.90,  -0.05,
04/13 03Z,   0.60,  -3.50,  -2.88,  99.90,   0.02,
04/13 04Z,   0.60,  -2.95,  -2.21,  99.90,   0.14,
04/13 05Z,   0.60,  -2.80,  -2.08,  99.90,   0.12,  (max)
04/13 06Z,   0.50,  -3.08,  -2.42,  99.90,   0.16,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 07Z,   0.50,  -3.70,  99.90,  -3.05,   0.15,
04/13 08Z,   0.50,  -4.44,  99.90,  -3.80,   0.14,
04/13 09Z,   0.50,  -5.06,  99.90,  -4.43,   0.14,
04/13 10Z,   0.50,  -5.38,  99.90,  -4.74,   0.13,
04/13 11Z,   0.40,  -5.30,  99.90,  -4.77,   0.13,  (min)
04/13 12Z,   0.50,  -4.87,  99.90,  -4.25,   0.12,
04/13 13Z,   0.50,  -4.21,  99.90,  -3.60,   0.11,
04/13 14Z,   0.40,  -3.50,  99.90,  -2.99,   0.11,
04/13 15Z,   0.40,  -2.92,  99.90,  -2.42,   0.10,
04/13 16Z,   0.40,  -2.67,  99.90,  -2.17,   0.09,  (max)
04/13 17Z,   0.40,  -2.87,  99.90,  -2.39,   0.09,
04/13 18Z,   0.30,  -3.56,  99.90,  -3.18,   0.08,
04/13 19Z,   0.40,  -4.59,  99.90,  -4.11,   0.08,
04/13 20Z,   0.40,  -5.71,  99.90,  -5.23,   0.08,
04/13 21Z,   0.40,  -6.61,  99.90,  -6.13,   0.08,
04/13 22Z,   0.40,  -7.07,  99.90,  -6.59,   0.08,  (min)
04/13 23Z,   0.40,  -7.01,  99.90,  -6.53,   0.08,
04/14 00Z,   0.40,  -6.48,  99.90,  -6.00,   0.08,
04/14 01Z,   0.40,  -5.64,  99.90,  -5.16,   0.08,
04/14 02Z,   0.40,  -4.63,  99.90,  -4.15,   0.08,
04/14 03Z,   0.40,  -3.65,  99.90,  -3.17,   0.08,
04/14 04Z,   0.40,  -2.87,  99.90,  -2.39,   0.08,
04/14 05Z,   0.40,  -2.49,  99.90,  -2.01,   0.08,  (max)
04/14 06Z,   0.30,  -2.62,  99.90,  -2.24,   0.08,
04/14 07Z,   0.30,  -3.25,  99.90,  -2.87,   0.08,
04/14 08Z,   0.30,  -4.19,  99.90,  -3.81,   0.08,
04/14 09Z,   0.30,  -5.15,  99.90,  -4.77,   0.08,
04/14 10Z,   0.30,  -5.83,  99.90,  -5.45,   0.08,
04/14 11Z,   0.30,  -6.07,  99.90,  -5.69,   0.08,  (min)
04/14 12Z,   0.30,  -5.82,  99.90,  -5.44,   0.08,
04/14 13Z,   0.30,  -5.20,  99.90,  -4.82,   0.08,
04/14 14Z,   0.30,  -4.36,  99.90,  -3.98,   0.08,
04/14 15Z,   0.30,  -3.51,  99.90,  -3.13,   0.08,
04/14 16Z,   0.30,  -2.84,  99.90,  -2.46,   0.08,
04/14 17Z,   0.30,  -2.56,  99.90,  -2.18,   0.08,  (max)
04/14 18Z,   0.30,  -2.81,  99.90,  -2.43,   0.08,
04/14 19Z,   0.30,  -3.58,  99.90,  -3.20,   0.08,
04/14 20Z,   0.30,  -4.70,  99.90,  -4.32,   0.08,
04/14 21Z,   0.30,  -5.83,  99.90,  -5.45,   0.08,
04/14 22Z,   0.40,  -6.66,  99.90,  -6.18,   0.08,
04/14 23Z,   0.40,  -6.95,  99.90,  -6.47,   0.08,  (min)
04/15 00Z,   0.40,  -6.67,  99.90,  -6.19,   0.08,
04/15 01Z,   0.40,  -5.94,  99.90,  -5.46,   0.08,
04/15 02Z,   0.40,  -4.93,  99.90,  -4.45,   0.08,
04/15 03Z,   0.40,  -3.85,  99.90,  -3.37,   0.08,
04/15 04Z,   0.40,  -2.88,  99.90,  -2.40,   0.08,
04/15 05Z,   0.40,  -2.25,  99.90,  -1.77,   0.08,
04/15 06Z,   0.40,  -2.14,  99.90,  -1.66,   0.08,  (max)
04/15 07Z,   0.30,  -2.65,  99.90,  -2.27,   0.08,
04/15 08Z,   0.30,  -3.67,  99.90,  -3.29,   0.08,
04/15 09Z,   0.40,  -4.91,  99.90,  -4.43,   0.08,
04/15 10Z,   0.40,  -6.02,  99.90,  -5.54,   0.08,
04/15 11Z,   0.30,  -6.68,  99.90,  -6.30,   0.08,  (min)
04/15 12Z,   0.40,  -6.76,  99.90,  -6.28,   0.08,
04/15 13Z,   0.40,  -6.30,  99.90,  -5.82,   0.08,
04/15 14Z,   0.40,  -5.47,  99.90,  -4.99,   0.08,
04/15 15Z,   0.40,  -4.47,  99.90,  -3.99,   0.08,
04/15 16Z,   0.40,  -3.50,  99.90,  -3.02,   0.08,
04/15 17Z,   0.40,  -2.77,  99.90,  -2.29,   0.08,
04/15 18Z,   0.40,  -2.50,  99.90,  -2.02,   0.08,  (max)
04/15 19Z,   0.40,  -2.81,  99.90,  -2.33,   0.08,
04/15 20Z,   0.40,  -3.67,  99.90,  -3.19,   0.08,
04/15 21Z,   0.40,  -4.82,  99.90,  -4.34,   0.08,
04/15 22Z,   0.50,  -5.90,  99.90,  -5.32,   0.08,
04/15 23Z,   0.40,  -6.57,  99.90,  -6.09,   0.08,  (min)
04/16 00Z,   0.50,  -6.64,  99.90,  -6.06,   0.08,
04/16 01Z,   0.50,  -6.13,  99.90,  -5.55,   0.08,
04/16 02Z,   0.50,  -5.21,  99.90,  -4.63,   0.08,
04/16 03Z,   0.50,  -4.10,  99.90,  -3.52,   0.08,
04/16 04Z,   0.50,  -3.00,  99.90,  -2.42,   0.08,
04/16 05Z,   0.50,  -2.14,  99.90,  -1.56,   0.08,
04/16 06Z,   0.50,  -1.75,  99.90,  -1.17,   0.08,  (max)
04/16 07Z,   0.40,  -2.00,  99.90,  -1.52,   0.08,
04/16 08Z,   0.40,  -2.91,  99.90,  -2.43,   0.08,
04/16 09Z,   0.40,  -4.30,  99.90,  -3.82,   0.08,
04/16 10Z,   0.40,  -5.78,  99.90,  -5.30,   0.08,
04/16 11Z,   0.30,  -6.94,  99.90,  -6.56,   0.08,
04/16 12Z,   0.30,  -7.49,  99.90,  -7.11,   0.08,  (min)
04/16 13Z,   0.20,  -7.37,  99.90,  -7.09,   0.08,
04/16 14Z,   0.20,  -6.70,  99.90,  -6.42,   0.08,
04/16 15Z,   0.20,  -5.68,  99.90,  -5.40,   0.08,
04/16 16Z,   0.20,  -4.54,  99.90,  -4.26,   0.08,
04/16 17Z,   0.20,  -3.49,  99.90,  -3.21,   0.08,
04/16 18Z,   0.20,  -2.74,  99.90,  -2.46,   0.08,
04/16 19Z,   0.20,  -2.50,  99.90,  -2.22,   0.08,  (max)
04/16 20Z,   0.20,  -2.88,  99.90,  -2.60,   0.08,
04/16 21Z,   0.30,  -3.78,  99.90,  -3.40,   0.08,
04/16 22Z,   0.30,  -4.90,  99.90,  -4.53,   0.08,
04/16 23Z,   0.30,  -5.86,  99.90,  -5.48,   0.08,
04/17 00Z,   0.40,  -6.31,  99.90,  -5.83,   0.08,