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
Ketchikan, AK
Sitka, AK
Juneau, AK
Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
King Cove, AK
Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Charleston, OR : 07/17/2025 18:22:13 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 00Z,   0.00,  -2.94,  -2.66,  99.90,   0.28,  (max)
07/16 01Z,   0.00,  -3.54,  -3.30,  99.90,   0.24,
07/16 02Z,   0.00,  -4.69,  -4.39,  99.90,   0.30,
07/16 03Z,   0.00,  -6.04,  -5.69,  99.90,   0.35,
07/16 04Z,   0.00,  -7.21,  -6.85,  99.90,   0.36,
07/16 05Z,   0.00,  -7.90,  -7.50,  99.90,   0.40,
07/16 06Z,   0.10,  -7.94,  -7.55,  99.90,   0.29,  (min)
07/16 07Z,   0.10,  -7.34,  -6.89,  99.90,   0.35,
07/16 08Z,   0.10,  -6.30,  -5.91,  99.90,   0.29,
07/16 09Z,   0.10,  -5.16,  -4.80,  99.90,   0.26,
07/16 10Z,   0.10,  -4.22,  -3.84,  99.90,   0.28,
07/16 11Z,   0.10,  -3.73,  -3.25,  99.90,   0.38,  (max)
07/16 12Z,   0.10,  -3.86,  -3.32,  99.90,   0.44,
07/16 13Z,   0.10,  -4.64,  -4.12,  99.90,   0.42,
07/16 14Z,   0.20,  -5.94,  -5.45,  99.90,   0.29,
07/16 15Z,   0.20,  -7.43,  -6.89,  99.90,   0.34,
07/16 16Z,   0.10,  -8.72,  -8.23,  99.90,   0.39,
07/16 17Z,   0.10,  -9.49,  -8.97,  99.90,   0.42,
07/16 18Z,   0.20,  -9.54,  -9.04,  99.90,   0.30,  (min)
07/16 19Z,   0.20,  -8.83,  -8.20,  99.90,   0.43,
07/16 20Z,   0.20,  -7.52,  -6.98,  99.90,   0.34,
07/16 21Z,   0.10,  -5.93,  -5.42,  99.90,   0.41,
07/16 22Z,   0.10,  -4.41,  -3.99,  99.90,   0.32,
07/16 23Z,   0.20,  -3.24,  -2.84,  99.90,   0.20,
07/17 00Z,   0.20,  -2.65,  -2.27,  99.90,   0.18,  (max)
07/17 01Z,   0.20,  -2.78,  -2.40,  99.90,   0.18,
07/17 02Z,   0.20,  -3.62,  -3.31,  99.90,   0.11,
07/17 03Z,   0.20,  -4.93,  -4.60,  99.90,   0.13,
07/17 04Z,   0.30,  -6.38,  -5.98,  99.90,   0.10,
07/17 05Z,   0.20,  -7.59,  -7.18,  99.90,   0.21,
07/17 06Z,   0.20,  -8.32,  -7.88,  99.90,   0.24,
07/17 07Z,   0.20,  -8.39,  -7.97,  99.90,   0.22,  (min)
07/17 08Z,   0.20,  -7.84,  -7.45,  99.90,   0.19,
07/17 09Z,   0.20,  -6.87,  -6.45,  99.90,   0.22,
07/17 10Z,   0.20,  -5.80,  -5.35,  99.90,   0.25,
07/17 11Z,   0.20,  -4.91,  -4.43,  99.90,   0.28,
07/17 12Z,   0.10,  -4.41,  -3.89,  99.90,   0.42,  (max)
07/17 13Z,   0.10,  -4.45,  -3.92,  99.90,   0.43,
07/17 14Z,   0.10,  -5.08,  -4.66,  99.90,   0.32,
07/17 15Z,   0.10,  -6.13,  -5.69,  99.90,   0.34,
07/17 16Z,   0.00,  -7.31,  -6.84,  99.90,   0.47,
07/17 17Z,   0.00,  -8.27,  -7.74,  99.90,   0.53,
07/17 18Z,   0.00,  -8.75,  -8.28,  99.90,   0.47,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 19Z,   0.00,  -8.60,  99.90,  -8.14,   0.46,
07/17 20Z,   0.00,  -7.79,  99.90,  -7.34,   0.45,
07/17 21Z,   0.00,  -6.50,  99.90,  -6.06,   0.44,
07/17 22Z,   0.00,  -5.02,  99.90,  -4.59,   0.43,
07/17 23Z,   0.10,  -3.67,  99.90,  -3.16,   0.41,
07/18 00Z,   0.10,  -2.71,  99.90,  -2.21,   0.40,
07/18 01Z,   0.10,  -2.34,  99.90,  -1.85,   0.39,  (max)
07/18 02Z,   0.10,  -2.68,  99.90,  -2.20,   0.38,
07/18 03Z,   0.10,  -3.69,  99.90,  -3.22,   0.37,
07/18 04Z,   0.10,  -5.13,  99.90,  -4.67,   0.36,
07/18 05Z,   0.10,  -6.66,  99.90,  -6.22,   0.34,
07/18 06Z,   0.00,  -7.96,  99.90,  -7.63,   0.33,
07/18 07Z,   0.00,  -8.77,  99.90,  -8.44,   0.33,
07/18 08Z,   0.00,  -8.93,  99.90,  -8.60,   0.33,  (min)
07/18 09Z,   0.10,  -8.47,  99.90,  -8.04,   0.33,
07/18 10Z,   0.00,  -7.58,  99.90,  -7.25,   0.33,
07/18 11Z,   0.00,  -6.55,  99.90,  -6.22,   0.33,
07/18 12Z,   0.10,  -5.63,  99.90,  -5.19,   0.33,
07/18 13Z,   0.10,  -5.02,  99.90,  -4.59,   0.33,
07/18 14Z,   0.00,  -4.89,  99.90,  -4.55,   0.33,  (max)
07/18 15Z,   0.00,  -5.27,  99.90,  -4.93,   0.33,
07/18 16Z,   0.00,  -6.03,  99.90,  -5.69,   0.33,
07/18 17Z,   0.00,  -6.90,  99.90,  -6.57,   0.33,
07/18 18Z,   0.00,  -7.61,  99.90,  -7.27,   0.33,
07/18 19Z,   0.00,  -7.92,  99.90,  -7.58,   0.33,  (min)
07/18 20Z,   0.00,  -7.68,  99.90,  -7.35,   0.33,
07/18 21Z,   0.00,  -6.89,  99.90,  -6.55,   0.33,
07/18 22Z,   0.00,  -5.68,  99.90,  -5.35,   0.33,
07/18 23Z,   0.00,  -4.34,  99.90,  -4.01,   0.33,
07/19 00Z,   0.00,  -3.15,  99.90,  -2.82,   0.33,
07/19 01Z,   0.00,  -2.35,  99.90,  -2.01,   0.33,
07/19 02Z,   0.00,  -2.12,  99.90,  -1.79,   0.33,  (max)
07/19 03Z,   0.00,  -2.59,  99.90,  -2.26,   0.33,
07/19 04Z,   0.00,  -3.71,  99.90,  -3.38,   0.33,
07/19 05Z,   0.00,  -5.25,  99.90,  -4.92,   0.33,
07/19 06Z,   0.00,  -6.89,  99.90,  -6.56,   0.33,
07/19 07Z,   0.00,  -8.31,  99.90,  -7.98,   0.33,
07/19 08Z,   0.00,  -9.25,  99.90,  -8.92,   0.33,
07/19 09Z,   0.00,  -9.54,  99.90,  -9.21,   0.33,  (min)
07/19 10Z,   0.00,  -9.17,  99.90,  -8.84,   0.33,
07/19 11Z,   0.00,  -8.33,  99.90,  -8.00,   0.33,
07/19 12Z,   0.00,  -7.28,  99.90,  -6.94,   0.33,
07/19 13Z,   0.00,  -6.25,  99.90,  -5.92,   0.33,
07/19 14Z,   0.00,  -5.46,  99.90,  -5.13,   0.33,
07/19 15Z,   0.00,  -5.09,  99.90,  -4.76,   0.33,  (max)
07/19 16Z,   0.00,  -5.20,  99.90,  -4.87,   0.33,
07/19 17Z,   0.00,  -5.69,  99.90,  -5.36,   0.33,
07/19 18Z,   0.00,  -6.34,  99.90,  -6.01,   0.33,
07/19 19Z,   0.00,  -6.90,  99.90,  -6.57,   0.33,
07/19 20Z,   0.00,  -7.16,  99.90,  -6.83,   0.33,  (min)
07/19 21Z,   0.00,  -6.95,  99.90,  -6.62,   0.33,
07/19 22Z,   0.00,  -6.24,  99.90,  -5.90,   0.33,
07/19 23Z,   0.00,  -5.14,  99.90,  -4.81,   0.33,
07/20 00Z,   0.00,  -3.92,  99.90,  -3.58,   0.33,
07/20 01Z,   0.00,  -2.83,  99.90,  -2.49,   0.33,
07/20 02Z,   0.00,  -2.10,  99.90,  -1.77,   0.33,
07/20 03Z,   0.00,  -1.95,  99.90,  -1.61,   0.33,  (max)
07/20 04Z,   0.00,  -2.49,  99.90,  -2.15,   0.33,
07/20 05Z,   0.00,  -3.68,  99.90,  -3.35,   0.33,
07/20 06Z,   0.00,  -5.32,  99.90,  -4.98,   0.33,
07/20 07Z,  -0.10,  -7.08,  99.90,  -6.85,   0.33,
07/20 08Z,   0.00,  -8.66,  99.90,  -8.33,   0.33,
07/20 09Z,   0.00,  -9.76,  99.90,  -9.43,   0.33,
07/20 10Z,   0.00, -10.17,  99.90,  -9.84,   0.33,  (min)
07/20 11Z,   0.00,  -9.87,  99.90,  -9.53,   0.33,
07/20 12Z,   0.00,  -9.02,  99.90,  -8.69,   0.33,
07/20 13Z,   0.00,  -7.87,  99.90,  -7.54,   0.33,
07/20 14Z,   0.00,  -6.67,  99.90,  -6.34,   0.33,
07/20 15Z,   0.00,  -5.66,  99.90,  -5.33,   0.33,
07/20 16Z,   0.00,  -5.04,  99.90,  -4.71,   0.33,
07/20 17Z,   0.00,  -4.92,  99.90,  -4.59,   0.33,  (max)
07/20 18Z,   0.00,  -5.22,  99.90,  -4.89,   0.33,
07/20 19Z,   0.00,  -5.76,  99.90,  -5.43,   0.33,
07/20 20Z,   0.00,  -6.31,  99.90,  -5.97,   0.33,
07/20 21Z,   0.00,  -6.62,  99.90,  -6.29,   0.33,  (min)
07/20 22Z,   0.00,  -6.51,  99.90,  -6.18,   0.33,
07/20 23Z,   0.00,  -5.90,  99.90,  -5.56,   0.33,
07/21 00Z,   0.00,  -4.89,  99.90,  -4.55,   0.33,
07/21 01Z,   0.00,  -3.72,  99.90,  -3.39,   0.33,
07/21 02Z,   0.10,  -2.65,  99.90,  -2.22,   0.33,
07/21 03Z,   0.10,  -1.93,  99.90,  -1.50,   0.33,
07/21 04Z,   0.10,  -1.78,  99.90,  -1.35,   0.33,  (max)
07/21 05Z,   0.10,  -2.35,  99.90,  -1.92,   0.33,
07/21 06Z,   0.10,  -3.62,  99.90,  -3.19,   0.33,
07/21 07Z,   0.10,  -5.37,  99.90,  -4.93,   0.33,
07/21 08Z,   0.10,  -7.28,  99.90,  -6.85,   0.33,
07/21 09Z,   0.10,  -9.03,  99.90,  -8.60,   0.33,
07/21 10Z,   0.10, -10.27,  99.90,  -9.84,   0.33,
07/21 11Z,   0.20, -10.76,  99.90, -10.23,   0.33,  (min)
07/21 12Z,   0.20, -10.46,  99.90,  -9.93,   0.33,