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
#Port Townsend, WA : 07/17/2025 15:22:56 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 00Z,   0.20,  -6.78,  -6.47,  99.90,   0.11,
07/16 01Z,   0.20,  -5.07,  -4.76,  99.90,   0.11,
07/16 02Z,   0.20,  -3.38,  -3.03,  99.90,   0.15,
07/16 03Z,   0.20,  -2.01,  -1.70,  99.90,   0.11,
07/16 04Z,   0.20,  -1.33,  -1.17,  99.90,  -0.04,  (max)
07/16 05Z,   0.30,  -1.52,  -1.30,  99.90,  -0.08,
07/16 06Z,   0.30,  -2.44,  -2.14,  99.90,  -0.00,
07/16 07Z,   0.30,  -3.77,  -3.57,  99.90,  -0.10,
07/16 08Z,   0.20,  -5.14,  -5.02,  99.90,  -0.08,
07/16 09Z,   0.30,  -6.16,  -5.94,  99.90,  -0.08,
07/16 10Z,   0.40,  -6.61,  -6.28,  99.90,  -0.07,  (min)
07/16 11Z,   0.30,  -6.54,  -6.18,  99.90,   0.06,
07/16 12Z,   0.30,  -6.19,  -5.71,  99.90,   0.18,
07/16 13Z,   0.30,  -5.71,  -5.23,  99.90,   0.18,
07/16 14Z,   0.30,  -5.19,  -4.64,  99.90,   0.25,
07/16 15Z,   0.30,  -4.77,  -4.16,  99.90,   0.31,
07/16 16Z,   0.30,  -4.71,  -4.16,  99.90,   0.25,  (max)
07/16 17Z,   0.30,  -5.20,  -4.64,  99.90,   0.26,
07/16 18Z,   0.40,  -6.14,  -5.66,  99.90,   0.08,
07/16 19Z,   0.30,  -7.27,  -6.78,  99.90,   0.19,
07/16 20Z,   0.30,  -8.28,  -7.88,  99.90,   0.10,
07/16 21Z,   0.40,  -8.85,  -8.50,  99.90,  -0.05,  (min)
07/16 22Z,   0.40,  -8.76,  -8.21,  99.90,   0.15,
07/16 23Z,   0.30,  -7.98,  -7.52,  99.90,   0.16,
07/17 00Z,   0.40,  -6.75,  -6.22,  99.90,   0.13,
07/17 01Z,   0.40,  -5.31,  -4.76,  99.90,   0.15,
07/17 02Z,   0.40,  -3.82,  -3.32,  99.90,   0.10,
07/17 03Z,   0.40,  -2.44,  -1.89,  99.90,   0.15,
07/17 04Z,   0.50,  -1.50,  -1.03,  99.90,  -0.03,  (max)
07/17 05Z,   0.50,  -1.31,  -1.06,  99.90,  -0.25,
07/17 06Z,   0.50,  -1.96,  -1.61,  99.90,  -0.15,
07/17 07Z,   0.40,  -3.25,  -3.00,  99.90,  -0.15,
07/17 08Z,   0.40,  -4.86,  -4.69,  99.90,  -0.23,
07/17 09Z,   0.50,  -6.40,  -6.29,  99.90,  -0.39,
07/17 10Z,   0.50,  -7.49,  -7.16,  99.90,  -0.17,
07/17 11Z,   0.40,  -7.94,  -7.54,  99.90,   0.00,  (min)
07/17 12Z,   0.40,  -7.81,  -7.26,  99.90,   0.15,
07/17 13Z,   0.40,  -7.35,  -6.81,  99.90,   0.14,
07/17 14Z,   0.40,  -6.72,  -6.22,  99.90,   0.10,
07/17 15Z,   0.40,  -6.00,  -5.46,  99.90,   0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 16Z,   0.40,  -5.35,  99.90,  -4.82,   0.13,
07/17 17Z,   0.40,  -5.04,  99.90,  -4.51,   0.12,  (max)
07/17 18Z,   0.40,  -5.18,  99.90,  -4.66,   0.12,
07/17 19Z,   0.40,  -5.70,  99.90,  -5.18,   0.11,
07/17 20Z,   0.40,  -6.38,  99.90,  -5.87,   0.11,
07/17 21Z,   0.40,  -6.99,  99.90,  -6.49,   0.10,
07/17 22Z,   0.40,  -7.29,  99.90,  -6.80,   0.10,  (min)
07/17 23Z,   0.40,  -7.06,  99.90,  -6.57,   0.09,
07/18 00Z,   0.40,  -6.29,  99.90,  -5.80,   0.09,
07/18 01Z,   0.40,  -5.19,  99.90,  -4.70,   0.08,
07/18 02Z,   0.40,  -3.97,  99.90,  -3.49,   0.08,
07/18 03Z,   0.50,  -2.78,  99.90,  -2.20,   0.07,
07/18 04Z,   0.50,  -1.78,  99.90,  -1.21,   0.07,
07/18 05Z,   0.50,  -1.29,  99.90,  -0.71,   0.07,  (max)
07/18 06Z,   0.50,  -1.55,  99.90,  -0.98,   0.07,
07/18 07Z,   0.50,  -2.59,  99.90,  -2.02,   0.07,
07/18 08Z,   0.50,  -4.18,  99.90,  -3.61,   0.07,
07/18 09Z,   0.40,  -6.01,  99.90,  -5.54,   0.07,
07/18 10Z,   0.40,  -7.69,  99.90,  -7.22,   0.07,
07/18 11Z,   0.40,  -8.85,  99.90,  -8.38,   0.07,
07/18 12Z,   0.50,  -9.29,  99.90,  -8.71,   0.07,  (min)
07/18 13Z,   0.40,  -9.08,  99.90,  -8.61,   0.07,
07/18 14Z,   0.40,  -8.48,  99.90,  -8.01,   0.07,
07/18 15Z,   0.40,  -7.66,  99.90,  -7.18,   0.07,
07/18 16Z,   0.40,  -6.70,  99.90,  -6.22,   0.07,
07/18 17Z,   0.40,  -5.78,  99.90,  -5.30,   0.07,
07/18 18Z,   0.40,  -5.13,  99.90,  -4.65,   0.07,
07/18 19Z,   0.40,  -4.86,  99.90,  -4.39,   0.07,  (max)
07/18 20Z,   0.40,  -4.92,  99.90,  -4.44,   0.07,
07/18 21Z,   0.40,  -5.19,  99.90,  -4.72,   0.07,
07/18 22Z,   0.40,  -5.52,  99.90,  -5.05,   0.07,
07/18 23Z,   0.40,  -5.68,  99.90,  -5.21,   0.07,  (min)
07/19 00Z,   0.40,  -5.44,  99.90,  -4.97,   0.07,
07/19 01Z,   0.40,  -4.78,  99.90,  -4.31,   0.07,
07/19 02Z,   0.50,  -3.88,  99.90,  -3.30,   0.07,
07/19 03Z,   0.50,  -2.93,  99.90,  -2.36,   0.07,
07/19 04Z,   0.50,  -2.06,  99.90,  -1.48,   0.07,
07/19 05Z,   0.50,  -1.44,  99.90,  -0.86,   0.07,
07/19 06Z,   0.50,  -1.34,  99.90,  -0.76,   0.07,  (max)
07/19 07Z,   0.50,  -1.96,  99.90,  -1.39,   0.07,
07/19 08Z,   0.40,  -3.29,  99.90,  -2.81,   0.07,
07/19 09Z,   0.30,  -5.10,  99.90,  -4.73,   0.07,
07/19 10Z,   0.40,  -7.11,  99.90,  -6.63,   0.07,
07/19 11Z,   0.40,  -8.92,  99.90,  -8.44,   0.07,
07/19 12Z,   0.40, -10.12,  99.90,  -9.65,   0.07,
07/19 13Z,   0.30, -10.52,  99.90, -10.14,   0.07,  (min)
07/19 14Z,   0.30, -10.21,  99.90,  -9.84,   0.07,
07/19 15Z,   0.30,  -9.46,  99.90,  -9.09,   0.07,
07/19 16Z,   0.40,  -8.42,  99.90,  -7.95,   0.07,
07/19 17Z,   0.30,  -7.21,  99.90,  -6.83,   0.07,
07/19 18Z,   0.30,  -5.98,  99.90,  -5.61,   0.07,
07/19 19Z,   0.30,  -4.96,  99.90,  -4.59,   0.07,
07/19 20Z,   0.30,  -4.28,  99.90,  -3.90,   0.07,
07/19 21Z,   0.30,  -3.94,  99.90,  -3.57,   0.07,
07/19 22Z,   0.30,  -3.92,  99.90,  -3.55,   0.07,  (max)
07/19 23Z,   0.30,  -4.12,  99.90,  -3.75,   0.07,
07/20 00Z,   0.30,  -4.27,  99.90,  -3.90,   0.07,  (min)
07/20 01Z,   0.30,  -4.12,  99.90,  -3.75,   0.07,
07/20 02Z,   0.30,  -3.62,  99.90,  -3.25,   0.07,
07/20 03Z,   0.30,  -2.95,  99.90,  -2.57,   0.07,
07/20 04Z,   0.30,  -2.26,  99.90,  -1.89,   0.07,
07/20 05Z,   0.30,  -1.67,  99.90,  -1.30,   0.07,
07/20 06Z,   0.40,  -1.35,  99.90,  -0.88,   0.07,  (max)
07/20 07Z,   0.40,  -1.54,  99.90,  -1.07,   0.07,
07/20 08Z,   0.30,  -2.41,  99.90,  -2.04,   0.07,
07/20 09Z,   0.30,  -3.92,  99.90,  -3.55,   0.07,
07/20 10Z,   0.30,  -5.90,  99.90,  -5.53,   0.07,
07/20 11Z,   0.30,  -8.06,  99.90,  -7.69,   0.07,
07/20 12Z,   0.40,  -9.98,  99.90,  -9.50,   0.07,
07/20 13Z,   0.30, -11.20,  99.90, -10.83,   0.07,
07/20 14Z,   0.30, -11.53,  99.90, -11.16,   0.07,  (min)
07/20 15Z,   0.40, -11.11,  99.90, -10.64,   0.07,
07/20 16Z,   0.40, -10.19,  99.90,  -9.72,   0.07,
07/20 17Z,   0.30,  -8.95,  99.90,  -8.57,   0.07,
07/20 18Z,   0.30,  -7.47,  99.90,  -7.10,   0.07,
07/20 19Z,   0.40,  -5.94,  99.90,  -5.47,   0.07,
07/20 20Z,   0.40,  -4.58,  99.90,  -4.10,   0.07,
07/20 21Z,   0.40,  -3.54,  99.90,  -3.07,   0.07,
07/20 22Z,   0.40,  -2.94,  99.90,  -2.46,   0.07,
07/20 23Z,   0.40,  -2.80,  99.90,  -2.33,   0.07,  (max)
07/21 00Z,   0.40,  -3.02,  99.90,  -2.54,   0.07,
07/21 01Z,   0.40,  -3.27,  99.90,  -2.79,   0.07,  (min)
07/21 02Z,   0.40,  -3.25,  99.90,  -2.78,   0.07,
07/21 03Z,   0.40,  -2.92,  99.90,  -2.45,   0.07,
07/21 04Z,   0.40,  -2.43,  99.90,  -1.96,   0.07,
07/21 05Z,   0.50,  -1.95,  99.90,  -1.38,   0.07,
07/21 06Z,   0.50,  -1.56,  99.90,  -0.99,   0.07,
07/21 07Z,  99.90,  -1.44,  99.90,  99.90,   0.07,
07/21 08Z,  99.90,  -1.79,  99.90,  99.90,   0.07,
07/21 09Z,  99.90,  -2.80,  99.90,  99.90,   0.07,
07/21 10Z,  99.90,  -4.43,  99.90,  99.90,   0.07,
07/21 11Z,  99.90,  -6.54,  99.90,  99.90,   0.07,
07/21 12Z,  99.90,  -8.84,  99.90,  99.90,   0.07,