EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
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Northwest
Alaska
Gulf of Alaska
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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 : 12/08/2025 22:23:14 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/07 06Z,   0.50,  -2.42,  -1.78,  99.90,   0.14,
12/07 07Z,   0.50,  -1.45,  -0.97,  99.90,  -0.02,
12/07 08Z,   0.50,  -1.18,  -0.50,  99.90,   0.18,  (max)
12/07 09Z,   0.50,  -1.79,  -1.14,  99.90,   0.15,
12/07 10Z,   0.50,  -2.78,  -2.33,  99.90,  -0.05,
12/07 11Z,   0.50,  -3.78,  -3.39,  99.90,  -0.11,
12/07 12Z,   0.40,  -4.77,  -4.42,  99.90,  -0.05,
12/07 13Z,   0.40,  -5.75,  -5.48,  99.90,  -0.13,
12/07 14Z,   0.50,  -6.61,  -6.44,  99.90,  -0.33,
12/07 15Z,   0.50,  -6.62,  -6.60,  99.90,  -0.48,  (min)
12/07 16Z,   0.50,  -5.24,  -4.30,  99.90,   0.44,
12/07 17Z,   0.50,  -3.24,  -2.60,  99.90,   0.14,
12/07 18Z,   0.50,  -1.64,  -1.15,  99.90,  -0.01,
12/07 19Z,   0.50,  -0.55,  -0.06,  99.90,  -0.01,
12/07 20Z,   0.50,  -0.01,   0.76,  99.90,   0.27,  (max)
12/07 21Z,   0.50,  -0.32,   0.72,  99.90,   0.54,
12/07 22Z,   0.50,  -1.18,  -0.40,  99.90,   0.28,
12/07 23Z,   0.60,  -2.11,  -1.62,  99.90,  -0.11,
12/08 00Z,   0.60,  -3.08,  -2.71,  99.90,  -0.23,
12/08 01Z,   0.60,  -4.23,  -3.82,  99.90,  -0.19,
12/08 02Z,   0.60,  -5.59,  -4.91,  99.90,   0.08,
12/08 03Z,   0.60,  -6.65,  -5.84,  99.90,   0.21,
12/08 04Z,   0.60,  -6.48,  -6.10,  99.90,  -0.22,  (min)
12/08 05Z,   0.60,  -5.12,  -4.04,  99.90,   0.48,
12/08 06Z,   0.70,  -3.61,  -2.50,  99.90,   0.41,
12/08 07Z,   0.70,  -2.41,  -1.35,  99.90,   0.36,
12/08 08Z,   0.70,  -1.50,  -0.61,  99.90,   0.19,
12/08 09Z,   0.70,  -1.31,  -0.23,  99.90,   0.38,  (max)
12/08 10Z,   0.70,  -1.94,  -0.98,  99.90,   0.26,
12/08 11Z,   0.70,  -2.88,  -2.22,  99.90,  -0.04,
12/08 12Z,   0.70,  -3.85,  -3.33,  99.90,  -0.18,
12/08 13Z,   0.70,  -4.82,  -4.36,  99.90,  -0.24,
12/08 14Z,   0.70,  -5.82,  -5.44,  99.90,  -0.32,
12/08 15Z,   0.60,  -6.63,  -6.43,  99.90,  -0.40,
12/08 16Z,   0.60,  -6.48,  -6.96,  99.90,  -1.08,  (min)
12/08 17Z,   0.60,  -5.01,  -4.95,  99.90,  -0.54,
12/08 18Z,   0.50,  -3.13,  -3.28,  99.90,  -0.65,
12/08 19Z,   0.50,  -1.71,  -1.93,  99.90,  -0.72,
12/08 20Z,   0.50,  -0.71,  -1.00,  99.90,  -0.79,
12/08 21Z,   0.50,  -0.25,  -0.24,  99.90,  -0.49,  (max)
12/08 22Z,   0.50,  -0.60,  -0.37,  99.90,  -0.27,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/08 23Z,   0.50,  -1.42,  99.90,  -1.17,  -0.25,
12/09 00Z,   0.60,  -2.31,  99.90,  -1.94,  -0.24,
12/09 01Z,   0.60,  -3.28,  99.90,  -2.90,  -0.22,
12/09 02Z,   0.70,  -4.45,  99.90,  -3.95,  -0.21,
12/09 03Z,   0.80,  -5.79,  99.90,  -5.18,  -0.19,
12/09 04Z,   0.80,  -6.70,  99.90,  -6.07,  -0.17,  (min)
12/09 05Z,   0.90,  -6.33,  99.90,  -5.59,  -0.16,
12/09 06Z,   0.90,  -4.94,  99.90,  -4.18,  -0.14,
12/09 07Z,   0.90,  -3.55,  99.90,  -2.77,  -0.13,
12/09 08Z,   0.90,  -2.40,  99.90,  -1.62,  -0.11,
12/09 09Z,   0.90,  -1.53,  99.90,  -0.73,  -0.10,
12/09 10Z,   0.90,  -1.40,  99.90,  -0.58,  -0.08,  (max)
12/09 11Z,   1.00,  -2.03,  99.90,  -1.11,  -0.08,
12/09 12Z,   1.00,  -2.93,  99.90,  -2.01,  -0.08,
12/09 13Z,   1.00,  -3.88,  99.90,  -2.96,  -0.08,
12/09 14Z,   1.00,  -4.86,  99.90,  -3.94,  -0.08,
12/09 15Z,   1.00,  -5.86,  99.90,  -4.95,  -0.08,
12/09 16Z,   1.00,  -6.61,  99.90,  -5.70,  -0.08,  (min)
12/09 17Z,   1.00,  -6.32,  99.90,  -5.41,  -0.08,
12/09 18Z,   1.00,  -4.83,  99.90,  -3.91,  -0.08,
12/09 19Z,   1.00,  -3.12,  99.90,  -2.20,  -0.08,
12/09 20Z,   1.00,  -1.86,  99.90,  -0.94,  -0.08,
12/09 21Z,   1.00,  -0.91,  99.90,   0.00,  -0.08,
12/09 22Z,   1.00,  -0.50,  99.90,   0.41,  -0.08,  (max)
12/09 23Z,   1.00,  -0.88,  99.90,   0.04,  -0.08,
12/10 00Z,   1.00,  -1.67,  99.90,  -0.75,  -0.08,
12/10 01Z,   1.00,  -2.55,  99.90,  -1.63,  -0.08,
12/10 02Z,   1.00,  -3.54,  99.90,  -2.62,  -0.08,
12/10 03Z,   1.00,  -4.71,  99.90,  -3.79,  -0.08,
12/10 04Z,   1.00,  -6.00,  99.90,  -5.08,  -0.08,
12/10 05Z,   1.00,  -6.73,  99.90,  -5.82,  -0.08,  (min)
12/10 06Z,   1.00,  -6.17,  99.90,  -5.26,  -0.08,
12/10 07Z,   1.00,  -4.79,  99.90,  -3.87,  -0.08,
12/10 08Z,   1.00,  -3.50,  99.90,  -2.59,  -0.08,
12/10 09Z,   1.00,  -2.39,  99.90,  -1.47,  -0.08,
12/10 10Z,   0.90,  -1.53,  99.90,  -0.72,  -0.08,
12/10 11Z,   0.90,  -1.44,  99.90,  -0.62,  -0.08,  (max)
12/10 12Z,   0.90,  -2.06,  99.90,  -1.25,  -0.08,
12/10 13Z,   0.80,  -2.94,  99.90,  -2.23,  -0.08,
12/10 14Z,   0.80,  -3.90,  99.90,  -3.18,  -0.08,
12/10 15Z,   0.80,  -4.88,  99.90,  -4.17,  -0.08,
12/10 16Z,   0.80,  -5.89,  99.90,  -5.17,  -0.08,
12/10 17Z,   0.80,  -6.57,  99.90,  -5.86,  -0.08,  (min)
12/10 18Z,   0.80,  -6.17,  99.90,  -5.45,  -0.08,
12/10 19Z,   0.80,  -4.70,  99.90,  -3.99,  -0.08,
12/10 20Z,   0.80,  -3.19,  99.90,  -2.47,  -0.08,
12/10 21Z,   0.80,  -2.05,  99.90,  -1.33,  -0.08,
12/10 22Z,   0.80,  -1.12,  99.90,  -0.40,  -0.08,
12/10 23Z,   0.80,  -0.75,  99.90,  -0.03,  -0.08,  (max)
12/11 00Z,   0.80,  -1.14,  99.90,  -0.43,  -0.08,
12/11 01Z,   0.80,  -1.93,  99.90,  -1.21,  -0.08,
12/11 02Z,   0.80,  -2.82,  99.90,  -2.10,  -0.08,
12/11 03Z,   0.80,  -3.83,  99.90,  -3.11,  -0.08,
12/11 04Z,   0.70,  -5.00,  99.90,  -4.38,  -0.08,
12/11 05Z,   0.70,  -6.21,  99.90,  -5.60,  -0.08,
12/11 06Z,   0.60,  -6.75,  99.90,  -6.23,  -0.08,  (min)
12/11 07Z,   0.60,  -6.02,  99.90,  -5.50,  -0.08,
12/11 08Z,   0.50,  -4.67,  99.90,  -4.25,  -0.08,
12/11 09Z,   0.50,  -3.46,  99.90,  -3.04,  -0.08,
12/11 10Z,   0.40,  -2.33,  99.90,  -2.01,  -0.08,
12/11 11Z,   0.40,  -1.48,  99.90,  -1.16,  -0.08,  (max)
12/11 12Z,   0.30,  -1.42,  99.90,  -1.20,  -0.08,
12/11 13Z,   0.30,  -2.05,  99.90,  -1.83,  -0.08,
12/11 14Z,   0.20,  -2.93,  99.90,  -2.81,  -0.08,
12/11 15Z,   0.20,  -3.89,  99.90,  -3.77,  -0.08,
12/11 16Z,   0.20,  -4.89,  99.90,  -4.77,  -0.08,
12/11 17Z,   0.10,  -5.90,  99.90,  -5.89,  -0.08,
12/11 18Z,   0.10,  -6.53,  99.90,  -6.51,  -0.08,  (min)
12/11 19Z,   0.10,  -6.05,  99.90,  -6.03,  -0.08,
12/11 20Z,   0.10,  -4.66,  99.90,  -4.64,  -0.08,
12/11 21Z,   0.10,  -3.32,  99.90,  -3.31,  -0.08,
12/11 22Z,   0.10,  -2.25,  99.90,  -2.23,  -0.08,
12/11 23Z,   0.10,  -1.31,  99.90,  -1.29,  -0.08,
12/12 00Z,   0.10,  -0.96,  99.90,  -0.94,  -0.08,  (max)
12/12 01Z,   0.10,  -1.38,  99.90,  -1.37,  -0.08,
12/12 02Z,   0.20,  -2.18,  99.90,  -2.06,  -0.08,
12/12 03Z,   0.20,  -3.10,  99.90,  -2.99,  -0.08,
12/12 04Z,   0.20,  -4.13,  99.90,  -4.01,  -0.08,
12/12 05Z,   0.20,  -5.29,  99.90,  -5.17,  -0.08,
12/12 06Z,   0.20,  -6.40,  99.90,  -6.29,  -0.08,
12/12 07Z,   0.20,  -6.73,  99.90,  -6.61,  -0.08,  (min)
12/12 08Z,   0.30,  -5.87,  99.90,  -5.65,  -0.08,
12/12 09Z,   0.20,  -4.56,  99.90,  -4.44,  -0.08,
12/12 10Z,   0.20,  -3.39,  99.90,  -3.27,  -0.08,
12/12 11Z,   0.20,  -2.21,  99.90,  -2.09,  -0.08,
12/12 12Z,   0.30,  -1.36,  99.90,  -1.14,  -0.08,
12/12 13Z,  99.90,  -1.35,  99.90,  99.90,  -0.08,
12/12 14Z,  99.90,  -2.00,  99.90,  99.90,  -0.08,
12/12 15Z,  99.90,  -2.89,  99.90,  99.90,  -0.08,
12/12 16Z,  99.90,  -3.87,  99.90,  99.90,  -0.08,
12/12 17Z,  99.90,  -4.89,  99.90,  99.90,  -0.08,
12/12 18Z,  99.90,  -5.93,  99.90,  99.90,  -0.08,