EXTRA-TROPICAL  STORM  SURGE
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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
#Philadelphia, PA : 04/24/2025 12:21:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 12Z,   0.70,   6.25,   6.40,  99.90,  -0.55,
04/22 13Z,   0.60,   6.65,   6.88,  99.90,  -0.37,  (max)
04/22 14Z,   0.60,   6.55,   6.48,  99.90,  -0.67,
04/22 15Z,   0.60,   5.72,   5.45,  99.90,  -0.87,
04/22 16Z,   0.60,   4.54,   4.35,  99.90,  -0.79,
04/22 17Z,   0.50,   3.39,   3.28,  99.90,  -0.61,
04/22 18Z,   0.50,   2.40,   2.17,  99.90,  -0.73,
04/22 19Z,   0.50,   1.59,   1.15,  99.90,  -0.94,
04/22 20Z,   0.50,   1.00,   0.37,  99.90,  -1.13,  (min)
04/22 21Z,   0.40,   1.09,   0.41,  99.90,  -1.08,
04/22 22Z,   0.40,   2.28,   2.31,  99.90,  -0.37,
04/22 23Z,   0.40,   3.91,   3.67,  99.90,  -0.64,
04/23 00Z,   0.40,   5.05,   4.82,  99.90,  -0.63,
04/23 01Z,   0.40,   5.77,   5.68,  99.90,  -0.49,
04/23 02Z,   0.40,   6.16,   6.15,  99.90,  -0.41,  (max)
04/23 03Z,   0.40,   5.80,   5.63,  99.90,  -0.57,
04/23 04Z,   0.30,   4.80,   4.63,  99.90,  -0.47,
04/23 05Z,   0.30,   3.63,   3.60,  99.90,  -0.33,
04/23 06Z,   0.30,   2.55,   2.54,  99.90,  -0.31,
04/23 07Z,   0.30,   1.69,   1.50,  99.90,  -0.49,
04/23 08Z,   0.30,   1.09,   0.64,  99.90,  -0.75,
04/23 09Z,   0.30,   0.99,   0.45,  99.90,  -0.84,  (min)
04/23 10Z,   0.30,   1.96,   2.15,  99.90,  -0.11,
04/23 11Z,   0.30,   3.77,   3.67,  99.90,  -0.40,
04/23 12Z,   0.30,   5.32,   5.01,  99.90,  -0.61,
04/23 13Z,   0.20,   6.21,   5.99,  99.90,  -0.42,
04/23 14Z,   0.20,   6.71,   6.66,  99.90,  -0.25,  (max)
04/23 15Z,   0.20,   6.59,   6.43,  99.90,  -0.36,
04/23 16Z,   0.20,   5.71,   5.35,  99.90,  -0.56,
04/23 17Z,   0.20,   4.53,   4.24,  99.90,  -0.49,
04/23 18Z,   0.20,   3.39,   3.18,  99.90,  -0.41,
04/23 19Z,   0.20,   2.38,   2.08,  99.90,  -0.50,
04/23 20Z,   0.20,   1.51,   1.05,  99.90,  -0.66,
04/23 21Z,   0.30,   0.88,   0.21,  99.90,  -0.97,  (min)
04/23 22Z,   0.30,   1.07,   0.79,  99.90,  -0.58,
04/23 23Z,   0.30,   2.42,   2.67,  99.90,  -0.05,
04/24 00Z,   0.30,   4.11,   4.12,  99.90,  -0.29,
04/24 01Z,   0.30,   5.32,   5.36,  99.90,  -0.26,
04/24 02Z,   0.30,   6.15,   6.30,  99.90,  -0.15,
04/24 03Z,   0.30,   6.53,   6.67,  99.90,  -0.16,  (max)
04/24 04Z,   0.40,   6.06,   6.05,  99.90,  -0.41,
04/24 05Z,   0.40,   4.99,   4.96,  99.90,  -0.43,
04/24 06Z,   0.40,   3.80,   3.87,  99.90,  -0.33,
04/24 07Z,   0.40,   2.69,   2.81,  99.90,  -0.28,
04/24 08Z,   0.40,   1.76,   1.74,  99.90,  -0.42,
04/24 09Z,   0.40,   1.02,   0.81,  99.90,  -0.61,
04/24 10Z,   0.30,   0.85,   0.39,  99.90,  -0.76,  (min)
04/24 11Z,   0.30,   1.86,   2.10,  99.90,  -0.06,
04/24 12Z,   0.30,   3.69,   3.83,  99.90,  -0.16,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/24 13Z,   0.30,   5.23,  99.90,   5.35,  -0.19,
04/24 14Z,   0.30,   6.21,  99.90,   6.30,  -0.21,
04/24 15Z,   0.30,   6.79,  99.90,   6.85,  -0.24,  (max)
04/24 16Z,   0.30,   6.62,  99.90,   6.65,  -0.26,
04/24 17Z,   0.30,   5.67,  99.90,   5.68,  -0.29,
04/24 18Z,   0.30,   4.48,  99.90,   4.46,  -0.32,
04/24 19Z,   0.30,   3.33,  99.90,   3.29,  -0.34,
04/24 20Z,   0.30,   2.30,  99.90,   2.24,  -0.37,
04/24 21Z,   0.30,   1.39,  99.90,   1.29,  -0.39,
04/24 22Z,   0.30,   0.75,  99.90,   0.63,  -0.42,  (min)
04/24 23Z,   0.30,   1.08,  99.90,   0.94,  -0.45,
04/25 00Z,   0.30,   2.62,  99.90,   2.45,  -0.47,
04/25 01Z,   0.30,   4.41,  99.90,   4.24,  -0.47,
04/25 02Z,   0.30,   5.71,  99.90,   5.53,  -0.47,
04/25 03Z,   0.40,   6.61,  99.90,   6.53,  -0.47,
04/25 04Z,   0.40,   6.91,  99.90,   6.84,  -0.47,  (max)
04/25 05Z,   0.40,   6.31,  99.90,   6.24,  -0.47,
04/25 06Z,   0.40,   5.16,  99.90,   5.09,  -0.47,
04/25 07Z,   0.40,   3.95,  99.90,   3.88,  -0.47,
04/25 08Z,   0.40,   2.81,  99.90,   2.74,  -0.47,
04/25 09Z,   0.40,   1.77,  99.90,   1.70,  -0.47,
04/25 10Z,   0.30,   0.89,  99.90,   0.72,  -0.47,
04/25 11Z,   0.30,   0.69,  99.90,   0.52,  -0.47,  (min)
04/25 12Z,   0.30,   1.78,  99.90,   1.61,  -0.47,
04/25 13Z,   0.30,   3.64,  99.90,   3.47,  -0.47,
04/25 14Z,   0.30,   5.20,  99.90,   5.03,  -0.47,
04/25 15Z,   0.30,   6.26,  99.90,   6.08,  -0.47,
04/25 16Z,   0.30,   6.84,  99.90,   6.67,  -0.47,  (max)
04/25 17Z,   0.30,   6.58,  99.90,   6.40,  -0.47,
04/25 18Z,   0.30,   5.56,  99.90,   5.39,  -0.47,
04/25 19Z,   0.30,   4.36,  99.90,   4.19,  -0.47,
04/25 20Z,   0.30,   3.23,  99.90,   3.06,  -0.47,
04/25 21Z,   0.30,   2.19,  99.90,   2.01,  -0.47,
04/25 22Z,   0.30,   1.23,  99.90,   1.06,  -0.47,
04/25 23Z,   0.30,   0.64,  99.90,   0.47,  -0.47,  (min)
04/26 00Z,   0.30,   1.19,  99.90,   1.02,  -0.47,
04/26 01Z,   0.30,   2.94,  99.90,   2.77,  -0.47,
04/26 02Z,   0.30,   4.81,  99.90,   4.64,  -0.47,
04/26 03Z,   0.40,   6.16,  99.90,   6.09,  -0.47,
04/26 04Z,   0.40,   7.07,  99.90,   7.00,  -0.47,
04/26 05Z,   0.40,   7.24,  99.90,   7.17,  -0.47,  (max)
04/26 06Z,   0.40,   6.48,  99.90,   6.41,  -0.47,
04/26 07Z,   0.40,   5.28,  99.90,   5.21,  -0.47,
04/26 08Z,   0.40,   4.05,  99.90,   3.98,  -0.47,
04/26 09Z,   0.40,   2.87,  99.90,   2.80,  -0.47,
04/26 10Z,   0.40,   1.73,  99.90,   1.66,  -0.47,
04/26 11Z,   0.40,   0.74,  99.90,   0.67,  -0.47,
04/26 12Z,   0.40,   0.56,  99.90,   0.49,  -0.47,  (min)
04/26 13Z,   0.50,   1.76,  99.90,   1.79,  -0.47,
04/26 14Z,   0.50,   3.66,  99.90,   3.68,  -0.47,
04/26 15Z,   0.50,   5.21,  99.90,   5.24,  -0.47,
04/26 16Z,   0.50,   6.30,  99.90,   6.33,  -0.47,
04/26 17Z,   0.50,   6.84,  99.90,   6.87,  -0.47,  (max)
04/26 18Z,   0.50,   6.45,  99.90,   6.48,  -0.47,
04/26 19Z,   0.50,   5.38,  99.90,   5.41,  -0.47,
04/26 20Z,   0.40,   4.20,  99.90,   4.12,  -0.47,
04/26 21Z,   0.40,   3.08,  99.90,   3.01,  -0.47,
04/26 22Z,   0.40,   2.04,  99.90,   1.97,  -0.47,
04/26 23Z,   0.40,   1.08,  99.90,   1.00,  -0.47,
04/27 00Z,   0.30,   0.60,  99.90,   0.43,  -0.47,  (min)
04/27 01Z,   0.30,   1.41,  99.90,   1.24,  -0.47,
04/27 02Z,   0.20,   3.35,  99.90,   3.08,  -0.47,
04/27 03Z,   0.10,   5.26,  99.90,   4.89,  -0.47,
04/27 04Z,   0.10,   6.61,  99.90,   6.24,  -0.47,
04/27 05Z,   0.00,   7.45,  99.90,   6.98,  -0.47,  (max)
04/27 06Z,   0.00,   7.44,  99.90,   6.97,  -0.47,
04/27 07Z,   0.00,   6.54,  99.90,   6.07,  -0.47,
04/27 08Z,  -0.10,   5.31,  99.90,   4.74,  -0.47,
04/27 09Z,  -0.20,   4.10,  99.90,   3.42,  -0.47,
04/27 10Z,  -0.20,   2.89,  99.90,   2.22,  -0.47,
04/27 11Z,  -0.30,   1.66,  99.90,   0.89,  -0.47,
04/27 12Z,  -0.30,   0.60,  99.90,  -0.17,  -0.47,
04/27 13Z,  -0.30,   0.50,  99.90,  -0.27,  -0.47,  (min)
04/27 14Z,  -0.40,   1.83,  99.90,   0.96,  -0.47,
04/27 15Z,  -0.40,   3.73,  99.90,   2.86,  -0.47,
04/27 16Z,  -0.40,   5.25,  99.90,   4.38,  -0.47,
04/27 17Z,  -0.40,   6.32,  99.90,   5.45,  -0.47,
04/27 18Z,  -0.40,   6.76,  99.90,   5.88,  -0.47,  (max)
04/27 19Z,  -0.40,   6.24,  99.90,   5.36,  -0.47,
04/27 20Z,  -0.40,   5.14,  99.90,   4.27,  -0.47,
04/27 21Z,  -0.40,   4.00,  99.90,   3.13,  -0.47,
04/27 22Z,  -0.40,   2.92,  99.90,   2.05,  -0.47,
04/27 23Z,  -0.50,   1.89,  99.90,   0.92,  -0.47,
04/28 00Z,  -0.50,   0.96,  99.90,  -0.02,  -0.47,