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
#Arena Cove, CA : 10/14/2026 00:21:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 06Z,   1.10,   3.82,   4.86,  99.90,  -0.06,
10/12 07Z,   1.10,   4.54,   5.55,  99.90,  -0.09,
10/12 08Z,   1.10,   4.77,   5.81,  99.90,  -0.06,  (max)
10/12 09Z,   1.10,   4.50,   5.55,  99.90,  -0.05,
10/12 10Z,   1.10,   3.87,   4.99,  99.90,   0.02,
10/12 11Z,   1.10,   3.11,   4.22,  99.90,   0.01,
10/12 12Z,   1.20,   2.47,   3.56,  99.90,  -0.11,
10/12 13Z,   1.20,   2.18,   3.31,  99.90,  -0.07,  (min)
10/12 14Z,   1.20,   2.34,   3.46,  99.90,  -0.08,
10/12 15Z,   1.10,   2.96,   4.07,  99.90,   0.01,
10/12 16Z,   1.10,   3.88,   4.97,  99.90,  -0.01,
10/12 17Z,   1.20,   4.87,   5.97,  99.90,  -0.10,
10/12 18Z,   1.20,   5.66,   6.69,  99.90,  -0.17,
10/12 19Z,   1.20,   6.02,   7.06,  99.90,  -0.16,  (max)
10/12 20Z,   1.20,   5.82,   6.85,  99.90,  -0.17,
10/12 21Z,   1.20,   5.04,   6.13,  99.90,  -0.11,
10/12 22Z,   1.20,   3.83,   4.88,  99.90,  -0.15,
10/12 23Z,   1.20,   2.42,   3.44,  99.90,  -0.18,
10/13 00Z,   1.10,   1.10,   2.19,  99.90,  -0.01,
10/13 01Z,   1.10,   0.15,   1.21,  99.90,  -0.04,
10/13 02Z,   1.10,  -0.26,   0.71,  99.90,  -0.13,  (min)
10/13 03Z,   1.00,  -0.06,   0.90,  99.90,  -0.04,
10/13 04Z,   1.10,   0.66,   1.61,  99.90,  -0.15,
10/13 05Z,   1.10,   1.72,   2.66,  99.90,  -0.16,
10/13 06Z,   1.00,   2.85,   3.79,  99.90,  -0.06,
10/13 07Z,   0.90,   3.80,   4.75,  99.90,   0.05,
10/13 08Z,   1.00,   4.39,   5.30,  99.90,  -0.09,
10/13 09Z,   0.90,   4.52,   5.44,  99.90,   0.02,  (max)
10/13 10Z,   0.90,   4.24,   5.15,  99.90,   0.01,
10/13 11Z,   0.90,   3.69,   4.57,  99.90,  -0.02,
10/13 12Z,   0.90,   3.11,   4.02,  99.90,   0.01,
10/13 13Z,   1.00,   2.69,   3.60,  99.90,  -0.09,
10/13 14Z,   0.90,   2.61,   3.52,  99.90,   0.01,  (min)
10/13 15Z,   0.90,   2.93,   3.85,  99.90,   0.02,
10/13 16Z,   0.90,   3.60,   4.50,  99.90,   0.00,
10/13 17Z,   0.90,   4.44,   5.33,  99.90,  -0.01,
10/13 18Z,   1.00,   5.24,   6.14,  99.90,  -0.10,
10/13 19Z,   0.90,   5.77,   6.62,  99.90,  -0.05,
10/13 20Z,   1.00,   5.85,   6.67,  99.90,  -0.18,  (max)
10/13 21Z,   0.90,   5.40,   6.25,  99.90,  -0.05,
10/13 22Z,   0.90,   4.47,   5.39,  99.90,   0.02,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/13 23Z,   0.90,   3.23,  99.90,   4.14,   0.01,
10/14 00Z,   1.00,   1.91,  99.90,   2.91,   0.00,
10/14 01Z,   0.90,   0.77,  99.90,   1.66,  -0.01,
10/14 02Z,   0.90,   0.03,  99.90,   0.92,  -0.02,
10/14 03Z,   0.90,  -0.18,  99.90,   0.70,  -0.02,  (min)
10/14 04Z,   0.90,   0.16,  99.90,   1.02,  -0.03,
10/14 05Z,   0.90,   0.92,  99.90,   1.78,  -0.04,
10/14 06Z,   0.90,   1.93,  99.90,   2.78,  -0.05,
10/14 07Z,   0.90,   2.94,  99.90,   3.78,  -0.06,
10/14 08Z,   0.90,   3.74,  99.90,   4.58,  -0.07,
10/14 09Z,   0.90,   4.20,  99.90,   5.03,  -0.08,
10/14 10Z,   0.90,   4.28,  99.90,   5.09,  -0.09,  (max)
10/14 11Z,   0.90,   4.03,  99.90,   4.84,  -0.09,
10/14 12Z,   0.90,   3.61,  99.90,   4.42,  -0.09,
10/14 13Z,   0.90,   3.20,  99.90,   4.01,  -0.09,
10/14 14Z,   0.90,   2.97,  99.90,   3.79,  -0.09,  (min)
10/14 15Z,   0.90,   3.05,  99.90,   3.86,  -0.09,
10/14 16Z,   0.90,   3.44,  99.90,   4.25,  -0.09,
10/14 17Z,   0.90,   4.07,  99.90,   4.88,  -0.09,
10/14 18Z,   0.90,   4.77,  99.90,   5.59,  -0.09,
10/14 19Z,   0.90,   5.36,  99.90,   6.18,  -0.09,
10/14 20Z,   0.90,   5.65,  99.90,   6.46,  -0.09,  (max)
10/14 21Z,   0.90,   5.51,  99.90,   6.32,  -0.09,
10/14 22Z,   0.90,   4.91,  99.90,   5.73,  -0.09,
10/14 23Z,   0.90,   3.95,  99.90,   4.76,  -0.09,
10/15 00Z,   0.90,   2.77,  99.90,   3.59,  -0.09,
10/15 01Z,   0.90,   1.60,  99.90,   2.42,  -0.09,
10/15 02Z,   0.90,   0.66,  99.90,   1.48,  -0.09,
10/15 03Z,   0.90,   0.11,  99.90,   0.93,  -0.09,
10/15 04Z,   0.90,   0.05,  99.90,   0.86,  -0.09,  (min)
10/15 05Z,   0.90,   0.44,  99.90,   1.26,  -0.09,
10/15 06Z,   0.90,   1.18,  99.90,   1.99,  -0.09,
10/15 07Z,   1.00,   2.09,  99.90,   3.00,  -0.09,
10/15 08Z,   1.00,   2.97,  99.90,   3.88,  -0.09,
10/15 09Z,   0.90,   3.64,  99.90,   4.46,  -0.09,
10/15 10Z,   1.00,   4.02,  99.90,   4.94,  -0.09,
10/15 11Z,   1.00,   4.09,  99.90,   5.00,  -0.09,  (max)
10/15 12Z,   0.90,   3.91,  99.90,   4.72,  -0.09,
10/15 13Z,   0.90,   3.61,  99.90,   4.42,  -0.09,
10/15 14Z,   1.00,   3.35,  99.90,   4.26,  -0.09,
10/15 15Z,   0.90,   3.25,  99.90,   4.07,  -0.09,  (min)
10/15 16Z,   0.90,   3.40,  99.90,   4.22,  -0.09,
10/15 17Z,   0.90,   3.79,  99.90,   4.60,  -0.09,
10/15 18Z,   0.90,   4.32,  99.90,   5.14,  -0.09,
10/15 19Z,   0.90,   4.87,  99.90,   5.69,  -0.09,
10/15 20Z,   0.90,   5.27,  99.90,   6.09,  -0.09,
10/15 21Z,   1.00,   5.38,  99.90,   6.30,  -0.09,  (max)
10/15 22Z,   0.90,   5.12,  99.90,   5.93,  -0.09,
10/15 23Z,   0.90,   4.48,  99.90,   5.30,  -0.09,
10/16 00Z,   1.00,   3.56,  99.90,   4.48,  -0.09,
10/16 01Z,   1.00,   2.51,  99.90,   3.42,  -0.09,
10/16 02Z,   1.00,   1.50,  99.90,   2.42,  -0.09,
10/16 03Z,   1.00,   0.73,  99.90,   1.64,  -0.09,
10/16 04Z,   1.00,   0.31,  99.90,   1.23,  -0.09,
10/16 05Z,   0.90,   0.31,  99.90,   1.13,  -0.09,  (min)
10/16 06Z,   1.00,   0.70,  99.90,   1.62,  -0.09,
10/16 07Z,   1.00,   1.38,  99.90,   2.29,  -0.09,
10/16 08Z,   0.90,   2.18,  99.90,   2.99,  -0.09,
10/16 09Z,   1.00,   2.95,  99.90,   3.86,  -0.09,
10/16 10Z,   1.00,   3.54,  99.90,   4.46,  -0.09,
10/16 11Z,   1.00,   3.89,  99.90,   4.81,  -0.09,
10/16 12Z,   1.00,   3.99,  99.90,   4.90,  -0.09,  (max)
10/16 13Z,   1.00,   3.88,  99.90,   4.79,  -0.09,
10/16 14Z,   1.00,   3.68,  99.90,   4.60,  -0.09,
10/16 15Z,   0.90,   3.52,  99.90,   4.33,  -0.09,
10/16 16Z,   0.90,   3.48,  99.90,   4.29,  -0.09,  (min)
10/16 17Z,   1.00,   3.63,  99.90,   4.54,  -0.09,
10/16 18Z,   1.00,   3.95,  99.90,   4.86,  -0.09,
10/16 19Z,   0.90,   4.37,  99.90,   5.19,  -0.09,
10/16 20Z,   1.00,   4.78,  99.90,   5.70,  -0.09,
10/16 21Z,   1.00,   5.05,  99.90,   5.97,  -0.09,
10/16 22Z,   1.00,   5.07,  99.90,   5.99,  -0.09,  (max)
10/16 23Z,   1.00,   4.78,  99.90,   5.69,  -0.09,
10/17 00Z,   1.00,   4.18,  99.90,   5.09,  -0.09,
10/17 01Z,   1.00,   3.35,  99.90,   4.26,  -0.09,
10/17 02Z,   1.00,   2.42,  99.90,   3.33,  -0.09,
10/17 03Z,   1.00,   1.54,  99.90,   2.46,  -0.09,
10/17 04Z,   1.00,   0.88,  99.90,   1.79,  -0.09,
10/17 05Z,   0.90,   0.53,  99.90,   1.34,  -0.09,  (min)
10/17 06Z,   0.90,   0.54,  99.90,   1.35,  -0.09,
10/17 07Z,   1.00,   0.89,  99.90,   1.80,  -0.09,
10/17 08Z,   1.00,   1.49,  99.90,   2.41,  -0.09,
10/17 09Z,   1.00,   2.22,  99.90,   3.13,  -0.09,
10/17 10Z,   1.00,   2.93,  99.90,   3.84,  -0.09,
10/17 11Z,   1.00,   3.50,  99.90,   4.42,  -0.09,
10/17 12Z,   0.90,   3.86,  99.90,   4.68,  -0.09,
10/17 13Z,   1.00,   3.99,  99.90,   4.91,  -0.09,  (max)
10/17 14Z,   1.00,   3.94,  99.90,   4.86,  -0.09,
10/17 15Z,   0.90,   3.79,  99.90,   4.61,  -0.09,
10/17 16Z,   0.90,   3.65,  99.90,   4.46,  -0.09,
10/17 17Z,   0.90,   3.59,  99.90,   4.41,  -0.09,  (min)
10/17 18Z,   0.90,   3.69,  99.90,   4.50,  -0.09,