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
#Seldovia, AK : 03/16/2025 10:23:09 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/14 18Z,   0.00, -17.94, -17.89,  99.90,   0.05,  (min)
03/14 19Z,   0.00, -15.69, -15.31,  99.90,   0.38,
03/14 20Z,   0.00, -11.65, -11.22,  99.90,   0.43,
03/14 21Z,   0.00,  -6.83,  -6.57,  99.90,   0.26,
03/14 22Z,   0.00,  -2.47,  -2.26,  99.90,   0.21,
03/14 23Z,   0.00,   0.29,   0.54,  99.90,   0.25,
03/15 00Z,   0.10,   0.82,   1.05,  99.90,   0.13,  (max)
03/15 01Z,   0.10,  -1.05,  -0.96,  99.90,  -0.01,
03/15 02Z,   0.00,  -4.94,  -4.89,  99.90,   0.05,
03/15 03Z,   0.00,  -9.99,  -9.91,  99.90,   0.08,
03/15 04Z,  -0.10, -14.94, -14.86,  99.90,   0.18,
03/15 05Z,  -0.20, -18.30, -18.40,  99.90,   0.10,
03/15 06Z,   0.00, -19.03, -19.26,  99.90,  -0.23,  (min)
03/15 07Z,   0.00, -17.08, -17.08,  99.90,   0.00,
03/15 08Z,  -0.10, -13.14, -13.12,  99.90,   0.12,
03/15 09Z,  -0.20,  -8.17,  -8.31,  99.90,   0.06,
03/15 10Z,  -0.30,  -3.37,  -3.44,  99.90,   0.23,
03/15 11Z,  -0.30,   0.07,   0.02,  99.90,   0.25,
03/15 12Z,  -0.10,   1.34,   1.25,  99.90,   0.01,  (max)
03/15 13Z,  -0.20,   0.16,   0.01,  99.90,   0.05,
03/15 14Z,  -0.30,  -3.20,  -3.34,  99.90,   0.16,
03/15 15Z,  -0.40,  -8.02,  -8.11,  99.90,   0.31,
03/15 16Z,  -0.50, -13.14, -13.19,  99.90,   0.45,
03/15 17Z,  -0.50, -17.14, -17.30,  99.90,   0.34,
03/15 18Z,  -0.30, -18.77, -19.03,  99.90,   0.04,  (min)
03/15 19Z,  -0.20, -17.66, -17.66,  99.90,   0.20,
03/15 20Z,  -0.10, -14.34, -14.19,  99.90,   0.25,
03/15 21Z,  -0.10,  -9.72,  -9.75,  99.90,   0.07,
03/15 22Z,  -0.10,  -4.92,  -5.06,  99.90,  -0.04,
03/15 23Z,  -0.10,  -1.14,  -1.26,  99.90,  -0.02,
03/16 00Z,   0.00,   0.65,   0.53,  99.90,  -0.12,  (max)
03/16 01Z,  -0.10,   0.04,  -0.15,  99.90,  -0.09,
03/16 02Z,  -0.10,  -2.84,  -3.03,  99.90,  -0.09,
03/16 03Z,   0.00,  -7.31,  -7.47,  99.90,  -0.16,
03/16 04Z,   0.00, -12.29, -12.38,  99.90,  -0.09,
03/16 05Z,   0.00, -16.43, -16.63,  99.90,  -0.20,
03/16 06Z,   0.00, -18.42, -18.80,  99.90,  -0.38,  (min)
03/16 07Z,   0.00, -17.63, -17.97,  99.90,  -0.34,
03/16 08Z,   0.10, -14.48, -14.63,  99.90,  -0.25,
03/16 09Z,   0.30,  -9.93, -10.15,  99.90,  -0.52,
03/16 10Z,   0.50,  -5.05,  -5.41,  99.90,  -0.86,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/16 11Z,   0.50,  -1.03,  99.90,  -1.31,  -0.78,
03/16 12Z,   0.50,   1.14,  99.90,   0.93,  -0.71,  (max)
03/16 13Z,   0.40,   0.92,  99.90,   0.69,  -0.63,
03/16 14Z,   0.30,  -1.62,  99.90,  -1.88,  -0.56,
03/16 15Z,   0.10,  -5.92,  99.90,  -6.31,  -0.49,
03/16 16Z,   0.00, -10.98,  99.90, -11.39,  -0.41,
03/16 17Z,   0.00, -15.59,  99.90, -15.92,  -0.34,
03/16 18Z,   0.00, -18.44,  99.90, -18.71,  -0.26,
03/16 19Z,   0.00, -18.68,  99.90, -18.86,  -0.19,  (min)
03/16 20Z,   0.00, -16.38,  99.90, -16.49,  -0.12,
03/16 21Z,   0.10, -12.38,  99.90, -12.33,  -0.04,
03/16 22Z,   0.30,  -7.70,  99.90,  -7.37,   0.03,
03/16 23Z,   0.50,  -3.40,  99.90,  -2.87,   0.03,
03/17 00Z,   0.60,  -0.56,  99.90,   0.07,   0.03,
03/17 01Z,   0.60,   0.10,  99.90,   0.74,   0.03,  (max)
03/17 02Z,   0.60,  -1.55,  99.90,  -0.91,   0.03,
03/17 03Z,   0.50,  -5.10,  99.90,  -4.56,   0.03,
03/17 04Z,   0.30,  -9.63,  99.90,  -9.29,   0.03,
03/17 05Z,   0.20, -13.96,  99.90, -13.73,   0.03,
03/17 06Z,   0.20, -16.87,  99.90, -16.64,   0.03,
03/17 07Z,   0.30, -17.34,  99.90, -17.01,   0.03,  (min)
03/17 08Z,   0.30, -15.24,  99.90, -14.91,   0.03,
03/17 09Z,   0.40, -11.36,  99.90, -10.92,   0.03,
03/17 10Z,   0.40,  -6.78,  99.90,  -6.35,   0.03,
03/17 11Z,   0.40,  -2.56,  99.90,  -2.13,   0.03,
03/17 12Z,   0.40,   0.27,  99.90,   0.71,   0.03,
03/17 13Z,   0.30,   0.99,  99.90,   1.32,   0.03,  (max)
03/17 14Z,   0.20,  -0.61,  99.90,  -0.38,   0.03,
03/17 15Z,   0.10,  -4.16,  99.90,  -4.03,   0.03,
03/17 16Z,   0.10,  -8.82,  99.90,  -8.69,   0.03,
03/17 17Z,   0.10, -13.51,  99.90, -13.37,   0.03,
03/17 18Z,   0.20, -17.09,  99.90, -16.86,   0.03,
03/17 19Z,   0.20, -18.58,  99.90, -18.35,   0.03,  (min)
03/17 20Z,   0.30, -17.54,  99.90, -17.21,   0.03,
03/17 21Z,   0.30, -14.46,  99.90, -14.12,   0.03,
03/17 22Z,   0.30, -10.32,  99.90,  -9.98,   0.03,
03/17 23Z,   0.30,  -6.07,  99.90,  -5.73,   0.03,
03/18 00Z,   0.20,  -2.64,  99.90,  -2.41,   0.03,
03/18 01Z,   0.20,  -0.90,  99.90,  -0.66,   0.03,  (max)
03/18 02Z,   0.10,  -1.27,  99.90,  -1.14,   0.03,
03/18 03Z,   0.00,  -3.64,  99.90,  -3.61,   0.03,
03/18 04Z,   0.00,  -7.35,  99.90,  -7.32,   0.03,
03/18 05Z,   0.00, -11.38,  99.90, -11.35,   0.03,
03/18 06Z,   0.00, -14.65,  99.90, -14.61,   0.03,
03/18 07Z,   0.00, -16.14,  99.90, -16.11,   0.03,  (min)
03/18 08Z,   0.00, -15.27,  99.90, -15.24,   0.03,
03/18 09Z,   0.00, -12.32,  99.90, -12.29,   0.03,
03/18 10Z,   0.00,  -8.30,  99.90,  -8.27,   0.03,
03/18 11Z,   0.00,  -4.27,  99.90,  -4.24,   0.03,
03/18 12Z,   0.00,  -1.11,  99.90,  -1.08,   0.03,
03/18 13Z,   0.00,   0.37,  99.90,   0.40,   0.03,  (max)
03/18 14Z,   0.00,  -0.26,  99.90,  -0.23,   0.03,
03/18 15Z,   0.00,  -2.88,  99.90,  -2.85,   0.03,
03/18 16Z,   0.00,  -6.88,  99.90,  -6.85,   0.03,
03/18 17Z,   0.00, -11.29,  99.90, -11.26,   0.03,
03/18 18Z,   0.00, -15.10,  99.90, -15.07,   0.03,
03/18 19Z,   0.00, -17.44,  99.90, -17.41,   0.03,
03/18 20Z,   0.00, -17.66,  99.90, -17.63,   0.03,  (min)
03/18 21Z,   0.10, -15.74,  99.90, -15.61,   0.03,
03/18 22Z,   0.10, -12.41,  99.90, -12.28,   0.03,
03/18 23Z,   0.10,  -8.64,  99.90,  -8.50,   0.03,
03/19 00Z,   0.20,  -5.19,  99.90,  -4.95,   0.03,
03/19 01Z,   0.30,  -2.79,  99.90,  -2.46,   0.03,
03/19 02Z,   0.30,  -2.06,  99.90,  -1.73,   0.03,  (max)
03/19 03Z,   0.20,  -3.17,  99.90,  -2.94,   0.03,
03/19 04Z,   0.10,  -5.77,  99.90,  -5.64,   0.03,
03/19 05Z,   0.10,  -9.11,  99.90,  -8.98,   0.03,
03/19 06Z,   0.20, -12.23,  99.90, -12.00,   0.03,
03/19 07Z,   0.30, -14.25,  99.90, -13.91,   0.03,
03/19 08Z,   0.40, -14.48,  99.90, -14.04,   0.03,  (min)
03/19 09Z,   0.60, -12.70,  99.90, -12.07,   0.03,
03/19 10Z,   0.70,  -9.49,  99.90,  -8.76,   0.03,
03/19 11Z,   0.80,  -5.88,  99.90,  -5.05,   0.03,
03/19 12Z,   0.70,  -2.77,  99.90,  -2.04,   0.03,
03/19 13Z,   0.60,  -0.83,  99.90,  -0.19,   0.03,
03/19 14Z,   0.50,  -0.59,  99.90,  -0.05,   0.03,  (max)
03/19 15Z,   0.40,  -2.20,  99.90,  -1.77,   0.03,
03/19 16Z,   0.30,  -5.31,  99.90,  -4.98,   0.03,
03/19 17Z,   0.30,  -9.17,  99.90,  -8.84,   0.03,
03/19 18Z,   0.40, -12.86,  99.90, -12.43,   0.03,
03/19 19Z,   0.50, -15.58,  99.90, -15.05,   0.03,
03/19 20Z,   0.60, -16.76,  99.90, -16.13,   0.03,  (min)
03/19 21Z,   0.70, -16.10,  99.90, -15.36,   0.03,
03/19 22Z,   0.80, -13.83,  99.90, -13.00,   0.03,
03/19 23Z,   0.90, -10.78,  99.90,  -9.84,   0.03,
03/20 00Z,   0.90,  -7.72,  99.90,  -6.79,   0.03,
03/20 01Z,  99.90,  -5.21,  99.90,  99.90,   0.03,
03/20 02Z,  99.90,  -3.75,  99.90,  99.90,   0.03,
03/20 03Z,  99.90,  -3.72,  99.90,  99.90,   0.03,
03/20 04Z,  99.90,  -5.10,  99.90,  99.90,   0.03,
03/20 05Z,  99.90,  -7.45,  99.90,  99.90,   0.03,
03/20 06Z,  99.90, -10.03,  99.90,  99.90,   0.03,