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
#Sand Point, AK : 07/19/2026 09:22:51 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 18Z,  -0.50, -10.00,  -9.56,  99.90,   0.94,
07/17 19Z,  -0.50, -10.89, -10.38,  99.90,   1.01,
07/17 20Z,  -0.50, -10.88, -10.48,  99.90,   0.90,  (min)
07/17 21Z,  -0.50,  -9.93,  -9.51,  99.90,   0.92,
07/17 22Z,  -0.50,  -8.26,  -7.96,  99.90,   0.80,
07/17 23Z,  -0.40,  -6.30,  -5.80,  99.90,   0.90,
07/18 00Z,  -0.30,  -4.54,  -4.09,  99.90,   0.75,
07/18 01Z,  -0.30,  -3.34,  -3.01,  99.90,   0.63,
07/18 02Z,  -0.20,  -2.86,  -2.31,  99.90,   0.75,  (max)
07/18 03Z,  -0.20,  -3.21,  -2.63,  99.90,   0.78,
07/18 04Z,  -0.10,  -4.25,  -3.69,  99.90,   0.66,
07/18 05Z,  -0.10,  -5.63,  -5.06,  99.90,   0.67,
07/18 06Z,  -0.20,  -6.88,  -6.32,  99.90,   0.76,
07/18 07Z,  -0.10,  -7.68,  -7.04,  99.90,   0.74,
07/18 08Z,  -0.10,  -7.87,  -7.22,  99.90,   0.75,  (min)
07/18 09Z,   0.00,  -7.35,  -6.64,  99.90,   0.71,
07/18 10Z,   0.00,  -6.22,  -5.65,  99.90,   0.57,
07/18 11Z,   0.00,  -4.81,  -4.10,  99.90,   0.71,
07/18 12Z,  -0.10,  -3.58,  -2.91,  99.90,   0.77,
07/18 13Z,  -0.10,  -2.86,  -2.14,  99.90,   0.82,
07/18 14Z,  -0.10,  -2.83,  -2.06,  99.90,   0.87,  (max)
07/18 15Z,   0.00,  -3.56,  -2.76,  99.90,   0.80,
07/18 16Z,   0.00,  -4.97,  -4.12,  99.90,   0.85,
07/18 17Z,   0.00,  -6.76,  -5.97,  99.90,   0.79,
07/18 18Z,   0.00,  -8.46,  -7.53,  99.90,   0.93,
07/18 19Z,   0.00,  -9.67,  -8.75,  99.90,   0.92,
07/18 20Z,   0.00, -10.16,  -9.16,  99.90,   1.00,  (min)
07/18 21Z,   0.00,  -9.84,  -8.97,  99.90,   0.87,
07/18 22Z,   0.00,  -8.73,  -7.84,  99.90,   0.89,
07/18 23Z,   0.00,  -7.07,  -6.11,  99.90,   0.96,
07/19 00Z,   0.00,  -5.30,  -4.43,  99.90,   0.87,
07/19 01Z,  -0.10,  -3.86,  -2.99,  99.90,   0.97,
07/19 02Z,   0.00,  -2.98,  -2.14,  99.90,   0.84,
07/19 03Z,   0.00,  -2.82,  -1.89,  99.90,   0.93,  (max)
07/19 04Z,   0.00,  -3.41,  -2.51,  99.90,   0.90,
07/19 05Z,   0.00,  -4.58,  -3.79,  99.90,   0.79,
07/19 06Z,   0.00,  -5.97,  -5.15,  99.90,   0.82,
07/19 07Z,   0.00,  -7.15,  -6.40,  99.90,   0.75,
07/19 08Z,  -0.10,  -7.87,  -6.99,  99.90,   0.98,
07/19 09Z,  -0.10,  -8.01,  -7.19,  99.90,   0.92,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 10Z,  -0.10,  -7.52,  99.90,  -6.70,   0.92,
07/19 11Z,  -0.20,  -6.50,  99.90,  -5.79,   0.91,
07/19 12Z,  -0.20,  -5.28,  99.90,  -4.57,   0.91,
07/19 13Z,  -0.30,  -4.27,  99.90,  -3.67,   0.90,
07/19 14Z,  -0.30,  -3.72,  99.90,  -3.12,   0.90,  (max)
07/19 15Z,  -0.30,  -3.76,  99.90,  -3.17,   0.89,
07/19 16Z,  -0.20,  -4.42,  99.90,  -3.73,   0.89,
07/19 17Z,  -0.20,  -5.61,  99.90,  -4.93,   0.88,
07/19 18Z,  -0.20,  -7.04,  99.90,  -6.36,   0.88,
07/19 19Z,  -0.20,  -8.29,  99.90,  -7.61,   0.87,
07/19 20Z,  -0.30,  -9.05,  99.90,  -8.48,   0.87,
07/19 21Z,  -0.30,  -9.19,  99.90,  -8.63,   0.86,  (min)
07/19 22Z,  -0.30,  -8.66,  99.90,  -8.10,   0.86,
07/19 23Z,  -0.40,  -7.51,  99.90,  -7.05,   0.86,
07/20 00Z,  -0.40,  -5.98,  99.90,  -5.52,   0.86,
07/20 01Z,  -0.50,  -4.50,  99.90,  -4.13,   0.86,
07/20 02Z,  -0.50,  -3.39,  99.90,  -3.03,   0.86,
07/20 03Z,  -0.50,  -2.85,  99.90,  -2.49,   0.86,  (max)
07/20 04Z,  -0.60,  -2.95,  99.90,  -2.69,   0.86,
07/20 05Z,  -0.50,  -3.70,  99.90,  -3.34,   0.86,
07/20 06Z,  -0.50,  -4.92,  99.90,  -4.56,   0.86,
07/20 07Z,  -0.50,  -6.25,  99.90,  -5.89,   0.86,
07/20 08Z,  -0.50,  -7.34,  99.90,  -6.98,   0.86,
07/20 09Z,  -0.50,  -8.00,  99.90,  -7.64,   0.86,
07/20 10Z,  -0.50,  -8.14,  99.90,  -7.78,   0.86,  (min)
07/20 11Z,  -0.60,  -7.73,  99.90,  -7.47,   0.86,
07/20 12Z,  -0.70,  -6.87,  99.90,  -6.70,   0.86,
07/20 13Z,  -0.70,  -5.86,  99.90,  -5.70,   0.86,
07/20 14Z,  -0.70,  -5.05,  99.90,  -4.89,   0.86,
07/20 15Z,  -0.70,  -4.61,  99.90,  -4.45,   0.86,  (max)
07/20 16Z,  -0.70,  -4.63,  99.90,  -4.47,   0.86,
07/20 17Z,  -0.70,  -5.12,  99.90,  -4.96,   0.86,
07/20 18Z,  -0.70,  -6.02,  99.90,  -5.86,   0.86,
07/20 19Z,  -0.70,  -7.04,  99.90,  -6.88,   0.86,
07/20 20Z,  -0.70,  -7.85,  99.90,  -7.69,   0.86,
07/20 21Z,  -0.60,  -8.24,  99.90,  -7.98,   0.86,  (min)
07/20 22Z,  -0.60,  -8.13,  99.90,  -7.87,   0.86,
07/20 23Z,  -0.70,  -7.51,  99.90,  -7.34,   0.86,
07/21 00Z,  -0.70,  -6.42,  99.90,  -6.26,   0.86,
07/21 01Z,  -0.70,  -5.12,  99.90,  -4.95,   0.86,
07/21 02Z,  -0.70,  -3.95,  99.90,  -3.79,   0.86,
07/21 03Z,  -0.70,  -3.17,  99.90,  -3.01,   0.86,
07/21 04Z,  -0.70,  -2.90,  99.90,  -2.74,   0.86,  (max)
07/21 05Z,  -0.70,  -3.19,  99.90,  -3.03,   0.86,
07/21 06Z,  -0.60,  -4.03,  99.90,  -3.76,   0.86,
07/21 07Z,  -0.50,  -5.23,  99.90,  -4.87,   0.86,
07/21 08Z,  -0.50,  -6.48,  99.90,  -6.12,   0.86,
07/21 09Z,  -0.40,  -7.49,  99.90,  -7.03,   0.86,
07/21 10Z,  -0.40,  -8.12,  99.90,  -7.66,   0.86,
07/21 11Z,  -0.40,  -8.31,  99.90,  -7.85,   0.86,  (min)
07/21 12Z,  -0.40,  -8.00,  99.90,  -7.54,   0.86,
07/21 13Z,  -0.50,  -7.31,  99.90,  -6.95,   0.86,
07/21 14Z,  -0.50,  -6.49,  99.90,  -6.13,   0.86,
07/21 15Z,  -0.50,  -5.81,  99.90,  -5.45,   0.86,
07/21 16Z,  -0.50,  -5.40,  99.90,  -5.04,   0.86,
07/21 17Z,  -0.40,  -5.30,  99.90,  -4.84,   0.86,  (max)
07/21 18Z,  -0.40,  -5.57,  99.90,  -5.11,   0.86,
07/21 19Z,  -0.40,  -6.14,  99.90,  -5.68,   0.86,
07/21 20Z,  -0.40,  -6.78,  99.90,  -6.32,   0.86,
07/21 21Z,  -0.40,  -7.23,  99.90,  -6.77,   0.86,
07/21 22Z,  -0.40,  -7.36,  99.90,  -6.90,   0.86,  (min)
07/21 23Z,  -0.50,  -7.13,  99.90,  -6.77,   0.86,
07/22 00Z,  -0.50,  -6.53,  99.90,  -6.16,   0.86,
07/22 01Z,  -0.60,  -5.59,  99.90,  -5.32,   0.86,
07/22 02Z,  -0.70,  -4.53,  99.90,  -4.37,   0.86,
07/22 03Z,  -0.70,  -3.66,  99.90,  -3.50,   0.86,
07/22 04Z,  -0.60,  -3.15,  99.90,  -2.88,   0.86,
07/22 05Z,  -0.60,  -3.06,  99.90,  -2.80,   0.86,  (max)
07/22 06Z,  -0.60,  -3.45,  99.90,  -3.19,   0.86,
07/22 07Z,  -0.50,  -4.31,  99.90,  -3.95,   0.86,
07/22 08Z,  -0.50,  -5.47,  99.90,  -5.11,   0.86,
07/22 09Z,  -0.60,  -6.65,  99.90,  -6.39,   0.86,
07/22 10Z,  -0.60,  -7.62,  99.90,  -7.36,   0.86,
07/22 11Z,  -0.60,  -8.28,  99.90,  -8.01,   0.86,
07/22 12Z,  -0.70,  -8.54,  99.90,  -8.38,   0.86,  (min)
07/22 13Z,  -0.70,  -8.35,  99.90,  -8.19,   0.86,
07/22 14Z,  -0.80,  -7.79,  99.90,  -7.73,   0.86,
07/22 15Z,  -0.80,  -7.08,  99.90,  -7.02,   0.86,
07/22 16Z,  -0.80,  -6.44,  99.90,  -6.38,   0.86,
07/22 17Z,  -0.80,  -5.96,  99.90,  -5.90,   0.86,
07/22 18Z,  -0.80,  -5.69,  99.90,  -5.63,   0.86,
07/22 19Z,  -0.70,  -5.72,  99.90,  -5.56,   0.86,  (max)
07/22 20Z,  -0.70,  -6.00,  99.90,  -5.84,   0.86,
07/22 21Z,  -0.70,  -6.35,  99.90,  -6.19,   0.86,
07/22 22Z,  -0.70,  -6.57,  99.90,  -6.40,   0.86,
07/22 23Z,  -0.80,  -6.57,  99.90,  -6.51,   0.86,  (min)
07/23 00Z,  -0.80,  -6.34,  99.90,  -6.28,   0.86,
07/23 01Z,  99.90,  -5.82,  99.90,  99.90,   0.86,
07/23 02Z,  99.90,  -5.05,  99.90,  99.90,   0.86,
07/23 03Z,  99.90,  -4.22,  99.90,  99.90,   0.86,
07/23 04Z,  99.90,  -3.56,  99.90,  99.90,   0.86,
07/23 05Z,  99.90,  -3.21,  99.90,  99.90,   0.86,
07/23 06Z,  99.90,  -3.22,  99.90,  99.90,   0.86,