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
#Arena Cove, CA : 04/28/2025 16:21:00 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/27 00Z,   0.50,   1.07,   1.49,  99.90,  -0.08,  (min)
04/27 01Z,   0.50,   1.73,   2.18,  99.90,  -0.05,
04/27 02Z,   0.50,   2.88,   3.34,  99.90,  -0.04,
04/27 03Z,   0.50,   4.24,   4.71,  99.90,  -0.03,
04/27 04Z,   0.50,   5.47,   5.94,  99.90,  -0.03,
04/27 05Z,   0.50,   6.24,   6.70,  99.90,  -0.04,
04/27 06Z,   0.40,   6.34,   6.79,  99.90,   0.05,  (max)
04/27 07Z,   0.40,   5.68,   6.03,  99.90,  -0.05,
04/27 08Z,   0.40,   4.39,   4.75,  99.90,  -0.04,
04/27 09Z,   0.40,   2.72,   3.05,  99.90,  -0.07,
04/27 10Z,   0.30,   1.03,   1.37,  99.90,   0.04,
04/27 11Z,   0.30,  -0.32,   0.05,  99.90,   0.07,
04/27 12Z,   0.20,  -1.05,  -0.69,  99.90,   0.16,
04/27 13Z,   0.20,  -1.02,  -0.69,  99.90,   0.13,  (min)
04/27 14Z,   0.20,  -0.28,   0.02,  99.90,   0.10,
04/27 15Z,   0.20,   0.97,   1.23,  99.90,   0.06,
04/27 16Z,   0.20,   2.40,   2.64,  99.90,   0.04,
04/27 17Z,   0.20,   3.67,   3.90,  99.90,   0.03,
04/27 18Z,   0.20,   4.50,   4.67,  99.90,  -0.03,
04/27 19Z,   0.20,   4.72,   4.84,  99.90,  -0.08,  (max)
04/27 20Z,   0.20,   4.33,   4.46,  99.90,  -0.07,
04/27 21Z,   0.20,   3.52,   3.65,  99.90,  -0.07,
04/27 22Z,   0.10,   2.55,   2.71,  99.90,   0.06,
04/27 23Z,   0.10,   1.76,   1.89,  99.90,   0.03,
04/28 00Z,   0.10,   1.41,   1.62,  99.90,   0.11,  (min)
04/28 01Z,   0.10,   1.65,   1.85,  99.90,   0.10,
04/28 02Z,   0.10,   2.47,   2.70,  99.90,   0.13,
04/28 03Z,   0.10,   3.70,   3.97,  99.90,   0.17,
04/28 04Z,   0.10,   5.03,   5.30,  99.90,   0.17,
04/28 05Z,   0.10,   6.12,   6.40,  99.90,   0.18,
04/28 06Z,   0.00,   6.66,   6.87,  99.90,   0.21,  (max)
04/28 07Z,   0.00,   6.46,   6.62,  99.90,   0.16,
04/28 08Z,   0.00,   5.51,   5.64,  99.90,   0.13,
04/28 09Z,   0.00,   3.96,   4.07,  99.90,   0.11,
04/28 10Z,   0.00,   2.12,   2.21,  99.90,   0.09,
04/28 11Z,   0.00,   0.35,   0.45,  99.90,   0.10,
04/28 12Z,   0.00,  -0.97,  -0.87,  99.90,   0.10,
04/28 13Z,   0.00,  -1.60,  -1.58,  99.90,   0.02,  (min)
04/28 14Z,   0.00,  -1.44,  -1.39,  99.90,   0.05,
04/28 15Z,   0.00,  -0.56,  -0.52,  99.90,   0.04,
04/28 16Z,   0.00,   0.79,   0.82,  99.90,   0.03,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 17Z,   0.00,   2.28,  99.90,   2.31,   0.03,
04/28 18Z,   0.00,   3.57,  99.90,   3.59,   0.03,
04/28 19Z,   0.00,   4.38,  99.90,   4.41,   0.03,
04/28 20Z,   0.00,   4.58,  99.90,   4.61,   0.03,  (max)
04/28 21Z,   0.00,   4.22,  99.90,   4.25,   0.03,
04/28 22Z,   0.00,   3.48,  99.90,   3.51,   0.03,
04/28 23Z,   0.00,   2.65,  99.90,   2.68,   0.03,
04/29 00Z,   0.00,   2.02,  99.90,   2.05,   0.03,
04/29 01Z,   0.00,   1.85,  99.90,   1.88,   0.03,  (min)
04/29 02Z,   0.00,   2.24,  99.90,   2.27,   0.03,
04/29 03Z,   0.00,   3.14,  99.90,   3.17,   0.03,
04/29 04Z,   0.00,   4.36,  99.90,   4.39,   0.03,
04/29 05Z,   0.10,   5.58,  99.90,   5.71,   0.03,
04/29 06Z,   0.00,   6.48,  99.90,   6.51,   0.03,
04/29 07Z,   0.00,   6.78,  99.90,   6.82,   0.03,  (max)
04/29 08Z,   0.00,   6.34,  99.90,   6.37,   0.03,
04/29 09Z,   0.00,   5.18,  99.90,   5.21,   0.03,
04/29 10Z,   0.00,   3.50,  99.90,   3.53,   0.03,
04/29 11Z,   0.00,   1.61,  99.90,   1.64,   0.03,
04/29 12Z,   0.10,  -0.12,  99.90,   0.01,   0.03,
04/29 13Z,   0.10,  -1.35,  99.90,  -1.22,   0.03,
04/29 14Z,   0.10,  -1.85,  99.90,  -1.72,   0.03,  (min)
04/29 15Z,   0.10,  -1.58,  99.90,  -1.45,   0.03,
04/29 16Z,   0.10,  -0.63,  99.90,  -0.49,   0.03,
04/29 17Z,   0.10,   0.75,  99.90,   0.88,   0.03,
04/29 18Z,   0.10,   2.21,  99.90,   2.34,   0.03,
04/29 19Z,   0.10,   3.45,  99.90,   3.58,   0.03,
04/29 20Z,   0.10,   4.22,  99.90,   4.35,   0.03,
04/29 21Z,   0.10,   4.42,  99.90,   4.55,   0.03,  (max)
04/29 22Z,   0.10,   4.11,  99.90,   4.24,   0.03,
04/29 23Z,   0.10,   3.47,  99.90,   3.60,   0.03,
04/30 00Z,   0.10,   2.78,  99.90,   2.91,   0.03,
04/30 01Z,   0.10,   2.32,  99.90,   2.45,   0.03,
04/30 02Z,   0.10,   2.28,  99.90,   2.41,   0.03,  (min)
04/30 03Z,   0.10,   2.75,  99.90,   2.88,   0.03,
04/30 04Z,   0.10,   3.65,  99.90,   3.78,   0.03,
04/30 05Z,   0.10,   4.78,  99.90,   4.91,   0.03,
04/30 06Z,   0.10,   5.84,  99.90,   5.97,   0.03,
04/30 07Z,   0.10,   6.54,  99.90,   6.67,   0.03,
04/30 08Z,   0.10,   6.63,  99.90,   6.77,   0.03,  (max)
04/30 09Z,   0.10,   6.03,  99.90,   6.16,   0.03,
04/30 10Z,   0.10,   4.78,  99.90,   4.92,   0.03,
04/30 11Z,   0.10,   3.09,  99.90,   3.23,   0.03,
04/30 12Z,   0.10,   1.27,  99.90,   1.41,   0.03,
04/30 13Z,   0.10,  -0.33,  99.90,  -0.20,   0.03,
04/30 14Z,   0.10,  -1.43,  99.90,  -1.29,   0.03,
04/30 15Z,   0.20,  -1.82,  99.90,  -1.59,   0.03,  (min)
04/30 16Z,   0.10,  -1.48,  99.90,  -1.35,   0.03,
04/30 17Z,   0.10,  -0.53,  99.90,  -0.40,   0.03,
04/30 18Z,   0.10,   0.79,  99.90,   0.92,   0.03,
04/30 19Z,   0.10,   2.17,  99.90,   2.30,   0.03,
04/30 20Z,   0.10,   3.33,  99.90,   3.46,   0.03,
04/30 21Z,   0.10,   4.05,  99.90,   4.18,   0.03,
04/30 22Z,   0.20,   4.26,  99.90,   4.49,   0.03,  (max)
04/30 23Z,   0.20,   4.02,  99.90,   4.25,   0.03,
05/01 00Z,   0.20,   3.50,  99.90,   3.73,   0.03,
05/01 01Z,   0.20,   2.95,  99.90,   3.18,   0.03,
05/01 02Z,   0.20,   2.61,  99.90,   2.84,   0.03,  (min)
05/01 03Z,   0.20,   2.65,  99.90,   2.88,   0.03,
05/01 04Z,   0.20,   3.12,  99.90,   3.35,   0.03,
05/01 05Z,   0.20,   3.94,  99.90,   4.17,   0.03,
05/01 06Z,   0.20,   4.92,  99.90,   5.15,   0.03,
05/01 07Z,   0.20,   5.79,  99.90,   6.03,   0.03,
05/01 08Z,   0.20,   6.31,  99.90,   6.54,   0.03,  (max)
05/01 09Z,   0.20,   6.28,  99.90,   6.51,   0.03,
05/01 10Z,   0.20,   5.62,  99.90,   5.85,   0.03,
05/01 11Z,   0.20,   4.40,  99.90,   4.63,   0.03,
05/01 12Z,   0.20,   2.81,  99.90,   3.05,   0.03,
05/01 13Z,   0.20,   1.15,  99.90,   1.38,   0.03,
05/01 14Z,   0.20,  -0.29,  99.90,  -0.06,   0.03,
05/01 15Z,   0.20,  -1.25,  99.90,  -1.02,   0.03,
05/01 16Z,   0.20,  -1.57,  99.90,  -1.34,   0.03,  (min)
05/01 17Z,   0.20,  -1.22,  99.90,  -0.99,   0.03,
05/01 18Z,   0.20,  -0.33,  99.90,  -0.10,   0.03,
05/01 19Z,   0.20,   0.88,  99.90,   1.11,   0.03,
05/01 20Z,   0.20,   2.15,  99.90,   2.38,   0.03,
05/01 21Z,   0.20,   3.22,  99.90,   3.45,   0.03,
05/01 22Z,   0.20,   3.91,  99.90,   4.14,   0.03,
05/01 23Z,   0.20,   4.15,  99.90,   4.38,   0.03,  (max)
05/02 00Z,   0.20,   3.99,  99.90,   4.22,   0.03,
05/02 01Z,   0.20,   3.58,  99.90,   3.81,   0.03,
05/02 02Z,   0.20,   3.14,  99.90,   3.37,   0.03,
05/02 03Z,   0.30,   2.87,  99.90,   3.20,   0.03,
05/02 04Z,   0.20,   2.90,  99.90,   3.14,   0.03,  (min)
05/02 05Z,   0.20,   3.30,  99.90,   3.53,   0.03,
05/02 06Z,   0.20,   3.98,  99.90,   4.21,   0.03,
05/02 07Z,  99.90,   4.79,  99.90,  99.90,   0.03,
05/02 08Z,  99.90,   5.50,  99.90,  99.90,   0.03,
05/02 09Z,  99.90,   5.89,  99.90,  99.90,   0.03,
05/02 10Z,  99.90,   5.81,  99.90,  99.90,   0.03,
05/02 11Z,  99.90,   5.19,  99.90,  99.90,   0.03,
05/02 12Z,  99.90,   4.09,  99.90,  99.90,   0.03,