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
#Philadelphia, PA : 02/18/2025 00:23:12 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/16 06Z,   0.30,  -3.62,  -2.95,  99.90,   0.37,
02/16 07Z,   0.30,  -2.46,  -1.80,  99.90,   0.36,
02/16 08Z,   0.30,  -1.53,  -0.86,  99.90,   0.37,
02/16 09Z,   0.30,  -1.16,  -0.40,  99.90,   0.46,  (max)
02/16 10Z,   0.30,  -1.67,  -0.96,  99.90,   0.41,
02/16 11Z,   0.30,  -2.70,  -2.11,  99.90,   0.29,
02/16 12Z,   0.40,  -3.83,  -3.15,  99.90,   0.28,
02/16 13Z,   0.40,  -4.90,  -4.16,  99.90,   0.34,
02/16 14Z,   0.40,  -5.86,  -5.19,  99.90,   0.27,
02/16 15Z,   0.40,  -6.64,  -6.07,  99.90,   0.17,
02/16 16Z,   0.40,  -6.74,  -6.10,  99.90,   0.24,  (min)
02/16 17Z,   0.40,  -5.66,  -4.17,  99.90,   1.09,
02/16 18Z,   0.60,  -4.02,  -2.66,  99.90,   0.76,
02/16 19Z,   0.70,  -2.74,  -1.39,  99.90,   0.65,
02/16 20Z,   0.70,  -1.82,  -0.43,  99.90,   0.69,
02/16 21Z,   0.80,  -1.24,   0.24,  99.90,   0.68,
02/16 22Z,   0.90,  -1.44,   0.36,  99.90,   0.90,  (max)
02/16 23Z,   1.00,  -2.36,  -0.41,  99.90,   0.95,
02/17 00Z,   1.10,  -3.48,  -1.48,  99.90,   0.90,
02/17 01Z,   1.10,  -4.58,  -2.48,  99.90,   1.00,
02/17 02Z,   1.00,  -5.55,  -3.46,  99.90,   1.09,
02/17 03Z,   0.90,  -6.37,  -4.34,  99.90,   1.13,
02/17 04Z,   0.80,  -6.76,  -5.27,  99.90,   0.69,
02/17 05Z,   0.70,  -6.08,  -5.84,  99.90,  -0.46,  (min)
02/17 06Z,   0.60,  -4.47,  -5.43,  99.90,  -1.56,
02/17 07Z,   0.50,  -2.98,  -4.45,  99.90,  -1.97,
02/17 08Z,   0.40,  -1.99,  -3.71,  99.90,  -2.12,
02/17 09Z,   0.30,  -1.28,  -2.99,  99.90,  -2.01,
02/17 10Z,   0.20,  -1.19,  -2.73,  99.90,  -1.74,  (max)
02/17 11Z,   0.20,  -1.93,  -3.01,  99.90,  -1.28,
02/17 12Z,   0.20,  -3.08,  -3.88,  99.90,  -1.00,
02/17 13Z,   0.10,  -4.25,  -4.86,  99.90,  -0.71,
02/17 14Z,   0.10,  -5.29,  -5.79,  99.90,  -0.60,
02/17 15Z,   0.10,  -6.14,  -6.66,  99.90,  -0.62,
02/17 16Z,   0.10,  -6.73,  -7.52,  99.90,  -0.89,
02/17 17Z,   0.10,  -6.52,  -8.29,  99.90,  -1.87,  (min)
02/17 18Z,   0.00,  -5.21,  -8.20,  99.90,  -2.99,
02/17 19Z,   0.00,  -3.61,  -6.63,  99.90,  -3.02,
02/17 20Z,  -0.10,  -2.52,  -5.16,  99.90,  -2.54,
02/17 21Z,  -0.10,  -1.76,  -4.19,  99.90,  -2.33,
02/17 22Z,  -0.20,  -1.38,  -3.61,  99.90,  -2.03,  (max)
02/17 23Z,  -0.20,  -1.80,  -3.77,  99.90,  -1.77,
02/18 00Z,  -0.20,  -2.85,  -4.38,  99.90,  -1.33,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/18 01Z,  -0.20,  -4.03,  99.90,  -5.46,  -1.22,
02/18 02Z,  -0.20,  -5.13,  99.90,  -6.44,  -1.11,
02/18 03Z,  -0.20,  -6.00,  99.90,  -7.20,  -1.00,
02/18 04Z,  -0.20,  -6.60,  99.90,  -7.69,  -0.89,
02/18 05Z,  -0.30,  -6.62,  99.90,  -7.70,  -0.78,  (min)
02/18 06Z,  -0.30,  -5.56,  99.90,  -6.53,  -0.67,
02/18 07Z,  -0.30,  -3.82,  99.90,  -4.68,  -0.56,
02/18 08Z,  -0.30,  -2.46,  99.90,  -3.21,  -0.45,
02/18 09Z,  -0.30,  -1.65,  99.90,  -2.29,  -0.34,
02/18 10Z,  -0.30,  -1.15,  99.90,  -1.68,  -0.23,  (max)
02/18 11Z,  -0.30,  -1.30,  99.90,  -1.72,  -0.12,
02/18 12Z,  -0.30,  -2.21,  99.90,  -2.53,  -0.01,
02/18 13Z,  -0.40,  -3.42,  99.90,  -3.83,  -0.01,
02/18 14Z,  -0.40,  -4.59,  99.90,  -5.00,  -0.01,
02/18 15Z,  -0.40,  -5.57,  99.90,  -5.99,  -0.01,
02/18 16Z,  -0.40,  -6.32,  99.90,  -6.73,  -0.01,
02/18 17Z,  -0.40,  -6.71,  99.90,  -7.13,  -0.01,  (min)
02/18 18Z,  -0.40,  -6.24,  99.90,  -6.66,  -0.01,
02/18 19Z,  -0.50,  -4.80,  99.90,  -5.31,  -0.01,
02/18 20Z,  -0.50,  -3.32,  99.90,  -3.84,  -0.01,
02/18 21Z,  -0.50,  -2.42,  99.90,  -2.93,  -0.01,
02/18 22Z,  -0.50,  -1.79,  99.90,  -2.31,  -0.01,
02/18 23Z,  -0.50,  -1.58,  99.90,  -2.10,  -0.01,  (max)
02/19 00Z,  -0.50,  -2.17,  99.90,  -2.68,  -0.01,
02/19 01Z,  -0.50,  -3.29,  99.90,  -3.80,  -0.01,
02/19 02Z,  -0.50,  -4.50,  99.90,  -5.01,  -0.01,
02/19 03Z,  -0.50,  -5.55,  99.90,  -6.06,  -0.01,
02/19 04Z,  -0.50,  -6.29,  99.90,  -6.80,  -0.01,
02/19 05Z,  -0.50,  -6.67,  99.90,  -7.19,  -0.01,  (min)
02/19 06Z,  -0.50,  -6.38,  99.90,  -6.89,  -0.01,
02/19 07Z,  -0.50,  -5.03,  99.90,  -5.55,  -0.01,
02/19 08Z,  -0.50,  -3.28,  99.90,  -3.79,  -0.01,
02/19 09Z,  -0.50,  -2.10,  99.90,  -2.61,  -0.01,
02/19 10Z,  -0.50,  -1.45,  99.90,  -1.96,  -0.01,
02/19 11Z,  -0.50,  -1.11,  99.90,  -1.63,  -0.01,  (max)
02/19 12Z,  -0.50,  -1.45,  99.90,  -1.97,  -0.01,
02/19 13Z,  -0.50,  -2.47,  99.90,  -2.98,  -0.01,
02/19 14Z,  -0.50,  -3.69,  99.90,  -4.20,  -0.01,
02/19 15Z,  -0.50,  -4.82,  99.90,  -5.33,  -0.01,
02/19 16Z,  -0.50,  -5.72,  99.90,  -6.23,  -0.01,
02/19 17Z,  -0.40,  -6.36,  99.90,  -6.78,  -0.01,
02/19 18Z,  -0.40,  -6.61,  99.90,  -7.03,  -0.01,  (min)
02/19 19Z,  -0.40,  -5.96,  99.90,  -6.37,  -0.01,
02/19 20Z,  -0.30,  -4.48,  99.90,  -4.79,  -0.01,
02/19 21Z,  -0.30,  -3.17,  99.90,  -3.49,  -0.01,
02/19 22Z,  -0.30,  -2.42,  99.90,  -2.73,  -0.01,
02/19 23Z,  -0.30,  -1.88,  99.90,  -2.19,  -0.01,
02/20 00Z,  -0.30,  -1.79,  99.90,  -2.11,  -0.01,  (max)
02/20 01Z,  -0.30,  -2.49,  99.90,  -2.80,  -0.01,
02/20 02Z,  -0.20,  -3.64,  99.90,  -3.85,  -0.01,
02/20 03Z,  -0.20,  -4.83,  99.90,  -5.04,  -0.01,
02/20 04Z,  -0.20,  -5.80,  99.90,  -6.02,  -0.01,
02/20 05Z,  -0.10,  -6.42,  99.90,  -6.53,  -0.01,
02/20 06Z,  -0.10,  -6.64,  99.90,  -6.75,  -0.01,  (min)
02/20 07Z,  -0.10,  -6.10,  99.90,  -6.22,  -0.01,
02/20 08Z,   0.00,  -4.59,  99.90,  -4.60,  -0.01,
02/20 09Z,   0.00,  -2.90,  99.90,  -2.91,  -0.01,
02/20 10Z,   0.00,  -1.89,  99.90,  -1.91,  -0.01,
02/20 11Z,   0.00,  -1.35,  99.90,  -1.36,  -0.01,
02/20 12Z,   0.00,  -1.13,  99.90,  -1.14,  -0.01,  (max)
02/20 13Z,   0.00,  -1.60,  99.90,  -1.61,  -0.01,
02/20 14Z,   0.00,  -2.65,  99.90,  -2.67,  -0.01,
02/20 15Z,   0.10,  -3.84,  99.90,  -3.75,  -0.01,
02/20 16Z,   0.10,  -4.90,  99.90,  -4.82,  -0.01,
02/20 17Z,   0.10,  -5.73,  99.90,  -5.65,  -0.01,
02/20 18Z,   0.10,  -6.32,  99.90,  -6.23,  -0.01,
02/20 19Z,   0.10,  -6.48,  99.90,  -6.39,  -0.01,  (min)
02/20 20Z,   0.10,  -5.71,  99.90,  -5.63,  -0.01,
02/20 21Z,   0.10,  -4.27,  99.90,  -4.19,  -0.01,
02/20 22Z,   0.10,  -3.13,  99.90,  -3.05,  -0.01,
02/20 23Z,   0.10,  -2.47,  99.90,  -2.38,  -0.01,
02/21 00Z,   0.00,  -1.96,  99.90,  -1.98,  -0.01,
02/21 01Z,   0.00,  -1.96,  99.90,  -1.97,  -0.01,  (max)
02/21 02Z,   0.00,  -2.72,  99.90,  -2.74,  -0.01,
02/21 03Z,   0.00,  -3.87,  99.90,  -3.89,  -0.01,
02/21 04Z,   0.00,  -5.01,  99.90,  -5.03,  -0.01,
02/21 05Z,   0.00,  -5.91,  99.90,  -5.92,  -0.01,
02/21 06Z,   0.00,  -6.44,  99.90,  -6.46,  -0.01,
02/21 07Z,   0.00,  -6.56,  99.90,  -6.57,  -0.01,  (min)
02/21 08Z,   0.00,  -5.86,  99.90,  -5.88,  -0.01,
02/21 09Z,   0.00,  -4.26,  99.90,  -4.27,  -0.01,
02/21 10Z,   0.00,  -2.68,  99.90,  -2.69,  -0.01,
02/21 11Z,   0.00,  -1.80,  99.90,  -1.81,  -0.01,
02/21 12Z,   0.00,  -1.30,  99.90,  -1.31,  -0.01,
02/21 13Z,   0.00,  -1.13,  99.90,  -1.15,  -0.01,  (max)
02/21 14Z,   0.00,  -1.68,  99.90,  -1.70,  -0.01,
02/21 15Z,   0.00,  -2.74,  99.90,  -2.75,  -0.01,
02/21 16Z,   0.00,  -3.86,  99.90,  -3.88,  -0.01,
02/21 17Z,   0.00,  -4.86,  99.90,  -4.88,  -0.01,
02/21 18Z,  -0.10,  -5.65,  99.90,  -5.76,  -0.01,