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

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Manual
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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
Port Heiden, AK
Egegik, AK
Naknek, AK
Clark's Pt, AK
Goodnews Bay
Quinhagak, AK
Kuskokwak, AK
Eek, Apokak, AK
Popokamute, AK
Scammon Bay AK
St. Lawrence, AK
Kwikluak, AK
Kawanak, AK
Apoon, Yukon, AK
St. Michaels, AK
Golovin, AK
Nome, AK
Port Clarence, AK
Kotzebue, AK
Pt. Barrow, AK
Prudhoe Bay, AK
St. Paul Island AK
Surge List
Norton Sound
Arctic Alaska
#Philadelphia, PA : 02/14/2025 22:20:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/13 06Z,   0.90,   5.05,   6.37,  99.90,   0.42,
02/13 07Z,   0.90,   5.38,   6.99,  99.90,   0.71,  (max)
02/13 08Z,   0.90,   4.86,   6.72,  99.90,   0.96,
02/13 09Z,   1.00,   3.98,   5.70,  99.90,   0.72,
02/13 10Z,   1.00,   3.02,   4.58,  99.90,   0.56,
02/13 11Z,   1.00,   2.00,   3.55,  99.90,   0.55,
02/13 12Z,   1.00,   0.86,   2.50,  99.90,   0.64,
02/13 13Z,   1.00,  -0.10,   1.56,  99.90,   0.66,
02/13 14Z,   1.00,  -0.05,   1.31,  99.90,   0.36,  (min)
02/13 15Z,   1.00,   1.19,   3.40,  99.90,   1.21,
02/13 16Z,   1.00,   2.73,   4.95,  99.90,   1.22,
02/13 17Z,   1.00,   4.08,   6.19,  99.90,   1.11,
02/13 18Z,   1.00,   5.27,   7.13,  99.90,   0.86,
02/13 19Z,   1.00,   5.88,   7.89,  99.90,   1.01,  (max)
02/13 20Z,   1.00,   5.59,   7.79,  99.90,   1.20,
02/13 21Z,   1.00,   4.83,   6.71,  99.90,   0.88,
02/13 22Z,   1.00,   3.95,   5.55,  99.90,   0.60,
02/13 23Z,   1.00,   2.97,   4.50,  99.90,   0.53,
02/14 00Z,   1.00,   1.79,   3.47,  99.90,   0.68,
02/14 01Z,   1.00,   0.48,   2.42,  99.90,   0.94,
02/14 02Z,   0.90,  -0.23,   1.60,  99.90,   0.93,
02/14 03Z,   0.90,   0.35,   1.22,  99.90,  -0.03,  (min)
02/14 04Z,   0.80,   1.72,   2.75,  99.90,   0.23,
02/14 05Z,   0.70,   3.08,   4.08,  99.90,   0.30,
02/14 06Z,   0.70,   4.36,   5.00,  99.90,  -0.06,
02/14 07Z,   0.60,   5.31,   5.42,  99.90,  -0.49,  (max)
02/14 08Z,   0.60,   5.36,   5.33,  99.90,  -0.63,
02/14 09Z,   0.50,   4.65,   4.49,  99.90,  -0.66,
02/14 10Z,   0.50,   3.68,   3.46,  99.90,  -0.72,
02/14 11Z,   0.50,   2.67,   2.45,  99.90,  -0.72,
02/14 12Z,   0.40,   1.63,   1.41,  99.90,  -0.62,
02/14 13Z,   0.40,   0.55,   0.47,  99.90,  -0.48,
02/14 14Z,   0.40,  -0.18,  -0.29,  99.90,  -0.51,  (min)
02/14 15Z,   0.40,   0.22,   0.27,  99.90,  -0.35,
02/14 16Z,   0.30,   1.67,   1.98,  99.90,   0.01,
02/14 17Z,   0.30,   3.19,   3.18,  99.90,  -0.31,
02/14 18Z,   0.30,   4.43,   4.25,  99.90,  -0.48,
02/14 19Z,   0.20,   5.45,   5.20,  99.90,  -0.45,
02/14 20Z,   0.20,   5.78,   5.46,  99.90,  -0.52,  (max)
02/14 21Z,   0.20,   5.27,   4.71,  99.90,  -0.76,
02/14 22Z,   0.20,   4.36,   3.65,  99.90,  -0.91,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/14 23Z,   0.10,   3.39,  99.90,   2.66,  -0.82,
02/15 00Z,   0.10,   2.36,  99.90,   1.72,  -0.73,
02/15 01Z,   0.10,   1.23,  99.90,   0.69,  -0.64,
02/15 02Z,   0.10,   0.16,  99.90,  -0.29,  -0.55,
02/15 03Z,   0.20,  -0.11,  99.90,  -0.37,  -0.46,  (min)
02/15 04Z,   0.20,   0.89,  99.90,   0.71,  -0.37,
02/15 05Z,   0.20,   2.39,  99.90,   2.31,  -0.28,
02/15 06Z,   0.20,   3.69,  99.90,   3.69,  -0.19,
02/15 07Z,   0.20,   4.81,  99.90,   4.91,  -0.10,
02/15 08Z,   0.20,   5.48,  99.90,   5.67,  -0.01,  (max)
02/15 09Z,   0.30,   5.25,  99.90,   5.63,   0.08,
02/15 10Z,   0.30,   4.36,  99.90,   4.83,   0.17,
02/15 11Z,   0.30,   3.30,  99.90,   3.77,   0.17,
02/15 12Z,   0.30,   2.24,  99.90,   2.71,   0.17,
02/15 13Z,   0.30,   1.23,  99.90,   1.70,   0.17,
02/15 14Z,   0.30,   0.27,  99.90,   0.74,   0.17,
02/15 15Z,   0.30,  -0.16,  99.90,   0.31,   0.17,  (min)
02/15 16Z,   0.30,   0.61,  99.90,   1.07,   0.17,
02/15 17Z,   0.30,   2.20,  99.90,   2.66,   0.17,
02/15 18Z,   0.30,   3.62,  99.90,   4.09,   0.17,
02/15 19Z,   0.30,   4.71,  99.90,   5.18,   0.17,
02/15 20Z,   0.30,   5.52,  99.90,   5.99,   0.17,
02/15 21Z,   0.30,   5.57,  99.90,   6.04,   0.17,  (max)
02/15 22Z,   0.30,   4.84,  99.90,   5.31,   0.17,
02/15 23Z,   0.30,   3.81,  99.90,   4.28,   0.17,
02/16 00Z,   0.40,   2.75,  99.90,   3.32,   0.17,
02/16 01Z,   0.40,   1.73,  99.90,   2.30,   0.17,
02/16 02Z,   0.40,   0.73,  99.90,   1.30,   0.17,
02/16 03Z,   0.40,  -0.03,  99.90,   0.54,   0.17,  (min)
02/16 04Z,   0.40,   0.19,  99.90,   0.76,   0.17,
02/16 05Z,   0.50,   1.54,  99.90,   2.21,   0.17,
02/16 06Z,   0.50,   3.09,  99.90,   3.75,   0.17,
02/16 07Z,   0.50,   4.25,  99.90,   4.92,   0.17,
02/16 08Z,   0.50,   5.18,  99.90,   5.84,   0.17,
02/16 09Z,   0.60,   5.55,  99.90,   6.32,   0.17,  (max)
02/16 10Z,   0.60,   5.04,  99.90,   5.81,   0.17,
02/16 11Z,   0.60,   4.01,  99.90,   4.78,   0.17,
02/16 12Z,   0.70,   2.88,  99.90,   3.74,   0.17,
02/16 13Z,   0.70,   1.81,  99.90,   2.68,   0.17,
02/16 14Z,   0.70,   0.85,  99.90,   1.72,   0.17,
02/16 15Z,   0.70,   0.07,  99.90,   0.94,   0.17,
02/16 16Z,   0.70,  -0.03,  99.90,   0.84,   0.17,  (min)
02/16 17Z,   0.80,   1.05,  99.90,   2.02,   0.17,
02/16 18Z,   0.80,   2.69,  99.90,   3.66,   0.17,
02/16 19Z,   0.90,   3.97,  99.90,   5.04,   0.17,
02/16 20Z,   1.00,   4.89,  99.90,   6.06,   0.17,
02/16 21Z,   1.00,   5.47,  99.90,   6.64,   0.17,  (max)
02/16 22Z,   1.10,   5.27,  99.90,   6.54,   0.17,
02/16 23Z,   1.10,   4.35,  99.90,   5.62,   0.17,
02/17 00Z,   1.20,   3.23,  99.90,   4.60,   0.17,
02/17 01Z,   1.20,   2.13,  99.90,   3.50,   0.17,
02/17 02Z,   1.20,   1.16,  99.90,   2.53,   0.17,
02/17 03Z,   1.10,   0.34,  99.90,   1.61,   0.17,
02/17 04Z,   1.00,  -0.05,  99.90,   1.12,   0.17,  (min)
02/17 05Z,   0.80,   0.63,  99.90,   1.60,   0.17,
02/17 06Z,   0.70,   2.24,  99.90,   3.11,   0.17,
02/17 07Z,   0.60,   3.73,  99.90,   4.50,   0.17,
02/17 08Z,   0.50,   4.72,  99.90,   5.39,   0.17,
02/17 09Z,   0.40,   5.43,  99.90,   6.00,   0.17,  (max)
02/17 10Z,   0.30,   5.52,  99.90,   5.99,   0.17,
02/17 11Z,   0.30,   4.78,  99.90,   5.25,   0.17,
02/17 12Z,   0.20,   3.63,  99.90,   4.00,   0.17,
02/17 13Z,   0.20,   2.46,  99.90,   2.83,   0.17,
02/17 14Z,   0.20,   1.42,  99.90,   1.79,   0.17,
02/17 15Z,   0.20,   0.57,  99.90,   0.93,   0.17,
02/17 16Z,   0.10,  -0.02,  99.90,   0.25,   0.17,  (min)
02/17 17Z,   0.00,   0.19,  99.90,   0.36,   0.17,
02/17 18Z,   0.00,   1.50,  99.90,   1.67,   0.17,
02/17 19Z,  -0.10,   3.10,  99.90,   3.17,   0.17,
02/17 20Z,  -0.10,   4.19,  99.90,   4.26,   0.17,
02/17 21Z,  -0.20,   4.95,  99.90,   4.92,   0.17,
02/17 22Z,  -0.20,   5.33,  99.90,   5.30,   0.17,  (max)
02/17 23Z,  -0.20,   4.91,  99.90,   4.88,   0.17,
02/18 00Z,  -0.30,   3.86,  99.90,   3.73,   0.17,
02/18 01Z,  -0.30,   2.68,  99.90,   2.54,   0.17,
02/18 02Z,  -0.30,   1.58,  99.90,   1.45,   0.17,
02/18 03Z,  -0.40,   0.71,  99.90,   0.48,   0.17,
02/18 04Z,  -0.40,   0.11,  99.90,  -0.12,   0.17,
02/18 05Z,  -0.40,   0.09,  99.90,  -0.14,   0.17,  (min)
02/18 06Z,  -0.40,   1.15,  99.90,   0.92,   0.17,
02/18 07Z,  -0.40,   2.89,  99.90,   2.66,   0.17,
02/18 08Z,  -0.40,   4.25,  99.90,   4.02,   0.17,
02/18 09Z,  -0.50,   5.06,  99.90,   4.73,   0.17,
02/18 10Z,  -0.50,   5.56,  99.90,   5.23,   0.17,  (max)
02/18 11Z,  -0.50,   5.41,  99.90,   5.08,   0.17,
02/18 12Z,  -0.50,   4.50,  99.90,   4.17,   0.17,
02/18 13Z,  99.90,   3.29,  99.90,  99.90,   0.17,
02/18 14Z,  99.90,   2.12,  99.90,  99.90,   0.17,
02/18 15Z,  99.90,   1.14,  99.90,  99.90,   0.17,
02/18 16Z,  99.90,   0.39,  99.90,  99.90,   0.17,
02/18 17Z,  99.90,  -0.00,  99.90,  99.90,   0.17,
02/18 18Z,  99.90,   0.47,  99.90,  99.90,   0.17,