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
#Friday Harbor, WA : 05/14/2026 22:21:05 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 06Z,   0.30,   4.90,   5.46,  99.90,   0.26,
05/13 07Z,   0.30,   5.88,   6.43,  99.90,   0.25,
05/13 08Z,   0.30,   6.63,   7.15,  99.90,   0.22,
05/13 09Z,   0.30,   7.00,   7.63,  99.90,   0.33,  (max)
05/13 10Z,   0.30,   6.88,   7.54,  99.90,   0.36,
05/13 11Z,   0.30,   6.23,   7.01,  99.90,   0.48,
05/13 12Z,   0.30,   5.11,   5.93,  99.90,   0.52,
05/13 13Z,   0.30,   3.72,   4.61,  99.90,   0.59,
05/13 14Z,   0.40,   2.37,   3.28,  99.90,   0.51,
05/13 15Z,   0.30,   1.37,   2.25,  99.90,   0.58,
05/13 16Z,   0.30,   0.92,   1.79,  99.90,   0.57,  (min)
05/13 17Z,   0.30,   1.08,   1.85,  99.90,   0.47,
05/13 18Z,   0.50,   1.70,   2.40,  99.90,   0.20,
05/13 19Z,   0.40,   2.58,   3.25,  99.90,   0.27,
05/13 20Z,   0.40,   3.52,   4.10,  99.90,   0.18,
05/13 21Z,   0.50,   4.33,   4.82,  99.90,  -0.01,
05/13 22Z,   0.40,   4.90,   5.33,  99.90,   0.03,
05/13 23Z,   0.40,   5.11,   5.56,  99.90,   0.05,  (max)
05/14 00Z,   0.40,   4.94,   5.46,  99.90,   0.12,
05/14 01Z,   0.40,   4.48,   4.98,  99.90,   0.10,
05/14 02Z,   0.40,   3.94,   4.34,  99.90,   0.00,
05/14 03Z,   0.30,   3.57,   4.03,  99.90,   0.16,  (min)
05/14 04Z,   0.30,   3.59,   4.06,  99.90,   0.17,
05/14 05Z,   0.30,   4.05,   4.43,  99.90,   0.08,
05/14 06Z,   0.20,   4.84,   5.15,  99.90,   0.11,
05/14 07Z,   0.20,   5.75,   5.92,  99.90,  -0.03,
05/14 08Z,   0.10,   6.55,   6.76,  99.90,   0.11,
05/14 09Z,   0.20,   7.05,   7.29,  99.90,   0.04,
05/14 10Z,   0.10,   7.08,   7.33,  99.90,   0.15,  (max)
05/14 11Z,   0.10,   6.55,   6.85,  99.90,   0.20,
05/14 12Z,   0.00,   5.46,   5.87,  99.90,   0.41,
05/14 13Z,   0.00,   3.92,   4.44,  99.90,   0.52,
05/14 14Z,   0.00,   2.22,   2.76,  99.90,   0.54,
05/14 15Z,   0.00,   0.73,   1.21,  99.90,   0.48,
05/14 16Z,   0.00,  -0.20,   0.30,  99.90,   0.50,
05/14 17Z,   0.00,  -0.39,   0.15,  99.90,   0.54,  (min)
05/14 18Z,   0.00,   0.13,   0.59,  99.90,   0.46,
05/14 19Z,   0.00,   1.17,   1.49,  99.90,   0.32,
05/14 20Z,   0.00,   2.47,   2.73,  99.90,   0.26,
05/14 21Z,   0.00,   3.79,   3.98,  99.90,   0.19,
05/14 22Z,   0.00,   4.92,   5.00,  99.90,   0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/14 23Z,   0.00,   5.72,  99.90,   5.82,   0.09,
05/15 00Z,   0.00,   6.07,  99.90,   6.19,   0.11,  (max)
05/15 01Z,   0.00,   5.95,  99.90,   6.09,   0.13,
05/15 02Z,   0.10,   5.48,  99.90,   5.74,   0.15,
05/15 03Z,   0.10,   4.92,  99.90,   5.19,   0.17,
05/15 04Z,   0.10,   4.55,  99.90,   4.85,   0.19,
05/15 05Z,   0.00,   4.58,  99.90,   4.79,   0.21,  (min)
05/15 06Z,   0.00,   5.03,  99.90,   5.26,   0.23,
05/15 07Z,   0.00,   5.75,  99.90,   6.00,   0.25,
05/15 08Z,   0.00,   6.52,  99.90,   6.79,   0.27,
05/15 09Z,   0.00,   7.10,  99.90,   7.39,   0.29,
05/15 10Z,   0.00,   7.30,  99.90,   7.61,   0.30,  (max)
05/15 11Z,   0.00,   6.97,  99.90,   7.28,   0.30,
05/15 12Z,   0.00,   6.03,  99.90,   6.34,   0.30,
05/15 13Z,   0.10,   4.52,  99.90,   4.92,   0.30,
05/15 14Z,   0.00,   2.61,  99.90,   2.92,   0.30,
05/15 15Z,   0.00,   0.69,  99.90,   1.00,   0.30,
05/15 16Z,   0.00,  -0.82,  99.90,  -0.51,   0.30,
05/15 17Z,   0.10,  -1.57,  99.90,  -1.17,   0.30,  (min)
05/15 18Z,   0.00,  -1.44,  99.90,  -1.13,   0.30,
05/15 19Z,   0.00,  -0.52,  99.90,  -0.21,   0.30,
05/15 20Z,   0.00,   0.93,  99.90,   1.23,   0.30,
05/15 21Z,   0.10,   2.61,  99.90,   3.01,   0.30,
05/15 22Z,   0.10,   4.26,  99.90,   4.66,   0.30,
05/15 23Z,   0.00,   5.66,  99.90,   5.96,   0.30,
05/16 00Z,   0.00,   6.62,  99.90,   6.93,   0.30,
05/16 01Z,   0.00,   7.04,  99.90,   7.34,   0.30,  (max)
05/16 02Z,   0.00,   6.91,  99.90,   7.22,   0.30,
05/16 03Z,   0.10,   6.41,  99.90,   6.81,   0.30,
05/16 04Z,   0.00,   5.83,  99.90,   6.13,   0.30,
05/16 05Z,   0.00,   5.46,  99.90,   5.77,   0.30,  (min)
05/16 06Z,   0.00,   5.50,  99.90,   5.80,   0.30,
05/16 07Z,   0.10,   5.91,  99.90,   6.32,   0.30,
05/16 08Z,   0.10,   6.54,  99.90,   6.94,   0.30,
05/16 09Z,   0.00,   7.13,  99.90,   7.44,   0.30,
05/16 10Z,   0.00,   7.48,  99.90,   7.78,   0.30,  (max)
05/16 11Z,   0.00,   7.39,  99.90,   7.69,   0.30,
05/16 12Z,   0.10,   6.71,  99.90,   7.12,   0.30,
05/16 13Z,   0.00,   5.40,  99.90,   5.70,   0.30,
05/16 14Z,   0.00,   3.53,  99.90,   3.83,   0.30,
05/16 15Z,   0.00,   1.36,  99.90,   1.67,   0.30,
05/16 16Z,   0.00,  -0.66,  99.90,  -0.35,   0.30,
05/16 17Z,   0.00,  -2.08,  99.90,  -1.77,   0.30,
05/16 18Z,   0.00,  -2.58,  99.90,  -2.28,   0.30,  (min)
05/16 19Z,   0.00,  -2.11,  99.90,  -1.81,   0.30,
05/16 20Z,   0.00,  -0.84,  99.90,  -0.53,   0.30,
05/16 21Z,   0.00,   0.95,  99.90,   1.25,   0.30,
05/16 22Z,   0.00,   2.92,  99.90,   3.23,   0.30,
05/16 23Z,   0.00,   4.81,  99.90,   5.12,   0.30,
05/17 00Z,   0.00,   6.38,  99.90,   6.68,   0.30,
05/17 01Z,   0.00,   7.42,  99.90,   7.73,   0.30,
05/17 02Z,   0.00,   7.84,  99.90,   8.15,   0.30,  (max)
05/17 03Z,   0.00,   7.68,  99.90,   7.99,   0.30,
05/17 04Z,   0.00,   7.15,  99.90,   7.45,   0.30,
05/17 05Z,   0.00,   6.57,  99.90,   6.87,   0.30,
05/17 06Z,   0.00,   6.22,  99.90,   6.53,   0.30,  (min)
05/17 07Z,   0.00,   6.26,  99.90,   6.57,   0.30,
05/17 08Z,   0.00,   6.62,  99.90,   6.93,   0.30,
05/17 09Z,   0.00,   7.13,  99.90,   7.44,   0.30,
05/17 10Z,   0.00,   7.55,  99.90,   7.86,   0.30,
05/17 11Z,   0.00,   7.68,  99.90,   7.98,   0.30,  (max)
05/17 12Z,   0.00,   7.32,  99.90,   7.63,   0.30,
05/17 13Z,   0.00,   6.36,  99.90,   6.66,   0.30,
05/17 14Z,   0.00,   4.75,  99.90,   5.05,   0.30,
05/17 15Z,   0.00,   2.63,  99.90,   2.93,   0.30,
05/17 16Z,   0.00,   0.34,  99.90,   0.64,   0.30,
05/17 17Z,  -0.10,  -1.65,  99.90,  -1.45,   0.30,
05/17 18Z,  -0.10,  -2.90,  99.90,  -2.70,   0.30,
05/17 19Z,  -0.10,  -3.14,  99.90,  -2.94,   0.30,  (min)
05/17 20Z,  -0.10,  -2.38,  99.90,  -2.18,   0.30,
05/17 21Z,  -0.10,  -0.84,  99.90,  -0.64,   0.30,
05/17 22Z,  -0.10,   1.16,  99.90,   1.37,   0.30,
05/17 23Z,  -0.10,   3.31,  99.90,   3.52,   0.30,
05/18 00Z,  -0.10,   5.33,  99.90,   5.53,   0.30,
05/18 01Z,  -0.10,   6.96,  99.90,   7.16,   0.30,
05/18 02Z,  -0.10,   8.01,  99.90,   8.22,   0.30,
05/18 03Z,  -0.10,   8.39,  99.90,   8.60,   0.30,  (max)
05/18 04Z,  -0.10,   8.19,  99.90,   8.39,   0.30,
05/18 05Z,  -0.10,   7.65,  99.90,   7.85,   0.30,
05/18 06Z,   0.00,   7.09,  99.90,   7.39,   0.30,
05/18 07Z,   0.00,   6.78,  99.90,   7.08,   0.30,  (min)
05/18 08Z,   0.00,   6.81,  99.90,   7.11,   0.30,
05/18 09Z,   0.00,   7.10,  99.90,   7.41,   0.30,
05/18 10Z,   0.00,   7.48,  99.90,   7.79,   0.30,
05/18 11Z,   0.00,   7.74,  99.90,   8.04,   0.30,  (max)
05/18 12Z,   0.00,   7.68,  99.90,   7.98,   0.30,
05/18 13Z,  99.90,   7.12,  99.90,  99.90,   0.30,
05/18 14Z,  99.90,   5.95,  99.90,  99.90,   0.30,
05/18 15Z,  99.90,   4.16,  99.90,  99.90,   0.30,
05/18 16Z,  99.90,   1.94,  99.90,  99.90,   0.30,
05/18 17Z,  99.90,  -0.35,  99.90,  99.90,   0.30,
05/18 18Z,  99.90,  -2.21,  99.90,  99.90,   0.30,