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 : 07/03/2025 03:21:58 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/01 12Z,   0.70,   5.90,   6.53,  99.90,  -0.07,  (max)
07/01 13Z,   0.70,   4.97,   5.44,  99.90,  -0.23,
07/01 14Z,   0.70,   3.94,   4.42,  99.90,  -0.22,
07/01 15Z,   0.70,   2.88,   3.40,  99.90,  -0.18,
07/01 16Z,   0.70,   1.80,   2.36,  99.90,  -0.14,
07/01 17Z,   0.70,   0.81,   1.44,  99.90,  -0.07,
07/01 18Z,   0.70,   0.59,   0.87,  99.90,  -0.42,  (min)
07/01 19Z,   0.70,   1.57,   2.20,  99.90,  -0.07,
07/01 20Z,   0.70,   3.00,   4.08,  99.90,   0.38,
07/01 21Z,   0.70,   4.22,   5.42,  99.90,   0.50,
07/01 22Z,   0.70,   5.33,   6.41,  99.90,   0.38,
07/01 23Z,   0.70,   6.13,   7.12,  99.90,   0.29,  (max)
07/02 00Z,   0.70,   6.09,   6.89,  99.90,   0.10,
07/02 01Z,   0.70,   5.37,   5.91,  99.90,  -0.16,
07/02 02Z,   0.60,   4.40,   4.91,  99.90,  -0.09,
07/02 03Z,   0.60,   3.38,   3.85,  99.90,  -0.13,
07/02 04Z,   0.60,   2.41,   2.79,  99.90,  -0.22,
07/02 05Z,   0.60,   1.49,   1.83,  99.90,  -0.26,
07/02 06Z,   0.60,   1.03,   1.12,  99.90,  -0.51,  (min)
07/02 07Z,   0.60,   1.65,   1.78,  99.90,  -0.47,
07/02 08Z,   0.50,   3.03,   3.52,  99.90,  -0.01,
07/02 09Z,   0.50,   4.24,   4.91,  99.90,   0.17,
07/02 10Z,   0.50,   5.20,   6.04,  99.90,   0.34,
07/02 11Z,   0.50,   6.01,   6.90,  99.90,   0.39,
07/02 12Z,   0.50,   6.19,   7.04,  99.90,   0.35,  (max)
07/02 13Z,   0.50,   5.58,   6.23,  99.90,   0.15,
07/02 14Z,   0.50,   4.59,   5.20,  99.90,   0.11,
07/02 15Z,   0.50,   3.52,   4.17,  99.90,   0.15,
07/02 16Z,   0.50,   2.47,   3.15,  99.90,   0.18,
07/02 17Z,   0.50,   1.46,   2.14,  99.90,   0.18,
07/02 18Z,   0.50,   0.67,   1.28,  99.90,   0.11,
07/02 19Z,   0.50,   0.75,   1.20,  99.90,  -0.05,  (min)
07/02 20Z,   0.50,   1.92,   2.88,  99.90,   0.46,
07/02 21Z,   0.50,   3.34,   4.42,  99.90,   0.58,
07/02 22Z,   0.50,   4.50,   5.74,  99.90,   0.74,
07/02 23Z,   0.50,   5.60,   6.65,  99.90,   0.55,
07/03 00Z,   0.50,   6.31,   7.25,  99.90,   0.44,  (max)
07/03 01Z,   0.60,   6.14,   6.85,  99.90,   0.11,
07/03 02Z,   0.60,   5.34,   5.89,  99.90,  -0.05,
07/03 03Z,   0.60,   4.31,   4.86,  99.90,  -0.05,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/03 04Z,   0.60,   3.27,  99.90,   3.81,  -0.06,
07/03 05Z,   0.60,   2.29,  99.90,   2.83,  -0.06,
07/03 06Z,   0.60,   1.40,  99.90,   1.94,  -0.06,
07/03 07Z,   0.60,   1.04,  99.90,   1.58,  -0.06,  (min)
07/03 08Z,   0.60,   1.76,  99.90,   2.30,  -0.06,
07/03 09Z,   0.60,   3.06,  99.90,   3.60,  -0.06,
07/03 10Z,   0.60,   4.15,  99.90,   4.69,  -0.06,
07/03 11Z,   0.60,   5.08,  99.90,   5.62,  -0.06,
07/03 12Z,   0.60,   5.88,  99.90,   6.42,  -0.06,
07/03 13Z,   0.60,   5.97,  99.90,   6.51,  -0.06,  (max)
07/03 14Z,   0.60,   5.28,  99.90,   5.82,  -0.06,
07/03 15Z,   0.60,   4.25,  99.90,   4.79,  -0.06,
07/03 16Z,   0.60,   3.15,  99.90,   3.69,  -0.06,
07/03 17Z,   0.60,   2.14,  99.90,   2.68,  -0.06,
07/03 18Z,   0.60,   1.23,  99.90,   1.77,  -0.06,
07/03 19Z,   0.60,   0.63,  99.90,   1.17,  -0.06,  (min)
07/03 20Z,   0.60,   0.98,  99.90,   1.52,  -0.06,
07/03 21Z,   0.60,   2.28,  99.90,   2.82,  -0.06,
07/03 22Z,   0.60,   3.66,  99.90,   4.20,  -0.06,
07/03 23Z,   0.60,   4.79,  99.90,   5.33,  -0.06,
07/04 00Z,   0.60,   5.87,  99.90,   6.41,  -0.06,
07/04 01Z,   0.60,   6.48,  99.90,   7.02,  -0.06,  (max)
07/04 02Z,   0.60,   6.18,  99.90,   6.72,  -0.06,
07/04 03Z,   0.60,   5.31,  99.90,   5.84,  -0.06,
07/04 04Z,   0.60,   4.24,  99.90,   4.78,  -0.06,
07/04 05Z,   0.60,   3.18,  99.90,   3.72,  -0.06,
07/04 06Z,   0.60,   2.19,  99.90,   2.73,  -0.06,
07/04 07Z,   0.60,   1.30,  99.90,   1.84,  -0.06,
07/04 08Z,   0.60,   1.03,  99.90,   1.57,  -0.06,  (min)
07/04 09Z,   0.60,   1.81,  99.90,   2.35,  -0.06,
07/04 10Z,   0.50,   3.03,  99.90,   3.47,  -0.06,
07/04 11Z,   0.50,   4.04,  99.90,   4.47,  -0.06,
07/04 12Z,   0.50,   5.00,  99.90,   5.43,  -0.06,
07/04 13Z,   0.50,   5.78,  99.90,   6.22,  -0.06,
07/04 14Z,   0.50,   5.78,  99.90,   6.22,  -0.06,  (max)
07/04 15Z,   0.50,   5.03,  99.90,   5.47,  -0.06,
07/04 16Z,   0.50,   3.97,  99.90,   4.40,  -0.06,
07/04 17Z,   0.50,   2.88,  99.90,   3.32,  -0.06,
07/04 18Z,   0.50,   1.91,  99.90,   2.35,  -0.06,
07/04 19Z,   0.50,   1.09,  99.90,   1.52,  -0.06,
07/04 20Z,   0.50,   0.66,  99.90,   1.10,  -0.06,  (min)
07/04 21Z,   0.50,   1.24,  99.90,   1.68,  -0.06,
07/04 22Z,   0.50,   2.64,  99.90,   3.08,  -0.06,
07/04 23Z,   0.60,   3.97,  99.90,   4.51,  -0.06,
07/05 00Z,   0.60,   5.09,  99.90,   5.63,  -0.06,
07/05 01Z,   0.60,   6.16,  99.90,   6.69,  -0.06,
07/05 02Z,   0.60,   6.63,  99.90,   7.17,  -0.06,  (max)
07/05 03Z,   0.50,   6.21,  99.90,   6.65,  -0.06,
07/05 04Z,   0.50,   5.27,  99.90,   5.71,  -0.06,
07/05 05Z,   0.50,   4.18,  99.90,   4.62,  -0.06,
07/05 06Z,   0.50,   3.11,  99.90,   3.55,  -0.06,
07/05 07Z,   0.50,   2.09,  99.90,   2.53,  -0.06,
07/05 08Z,   0.50,   1.20,  99.90,   1.63,  -0.06,
07/05 09Z,   0.50,   1.00,  99.90,   1.44,  -0.06,  (min)
07/05 10Z,   0.50,   1.83,  99.90,   2.27,  -0.06,
07/05 11Z,   0.50,   2.99,  99.90,   3.43,  -0.06,
07/05 12Z,   0.50,   3.96,  99.90,   4.40,  -0.06,
07/05 13Z,   0.50,   4.97,  99.90,   5.41,  -0.06,
07/05 14Z,   0.50,   5.73,  99.90,   6.16,  -0.06,  (max)
07/05 15Z,   0.50,   5.63,  99.90,   6.07,  -0.06,
07/05 16Z,   0.50,   4.82,  99.90,   5.26,  -0.06,
07/05 17Z,   0.50,   3.74,  99.90,   4.18,  -0.06,
07/05 18Z,   0.50,   2.68,  99.90,   3.12,  -0.06,
07/05 19Z,   0.50,   1.76,  99.90,   2.20,  -0.06,
07/05 20Z,   0.50,   1.00,  99.90,   1.44,  -0.06,
07/05 21Z,   0.50,   0.74,  99.90,   1.17,  -0.06,  (min)
07/05 22Z,   0.50,   1.53,  99.90,   1.96,  -0.06,
07/05 23Z,   0.50,   2.99,  99.90,   3.43,  -0.06,
07/06 00Z,   0.60,   4.29,  99.90,   4.83,  -0.06,
07/06 01Z,   0.60,   5.42,  99.90,   5.95,  -0.06,
07/06 02Z,   0.60,   6.43,  99.90,   6.97,  -0.06,
07/06 03Z,   0.60,   6.75,  99.90,   7.29,  -0.06,  (max)
07/06 04Z,   0.60,   6.20,  99.90,   6.74,  -0.06,
07/06 05Z,   0.60,   5.22,  99.90,   5.76,  -0.06,
07/06 06Z,   0.60,   4.12,  99.90,   4.66,  -0.06,
07/06 07Z,   0.70,   3.04,  99.90,   3.68,  -0.06,
07/06 08Z,   0.70,   1.98,  99.90,   2.62,  -0.06,
07/06 09Z,   0.60,   1.07,  99.90,   1.61,  -0.06,
07/06 10Z,   0.60,   0.97,  99.90,   1.50,  -0.06,  (min)
07/06 11Z,   0.60,   1.86,  99.90,   2.40,  -0.06,
07/06 12Z,   0.60,   2.99,  99.90,   3.52,  -0.06,
07/06 13Z,   0.60,   3.98,  99.90,   4.51,  -0.06,
07/06 14Z,   0.60,   5.03,  99.90,   5.56,  -0.06,
07/06 15Z,   0.60,   5.71,  99.90,   6.25,  -0.06,  (max)
07/06 16Z,   0.60,   5.50,  99.90,   6.03,  -0.06,
07/06 17Z,   0.60,   4.63,  99.90,   5.17,  -0.06,
07/06 18Z,   0.60,   3.56,  99.90,   4.10,  -0.06,
07/06 19Z,  99.90,   2.52,  99.90,  99.90,  -0.06,
07/06 20Z,  99.90,   1.64,  99.90,  99.90,  -0.06,
07/06 21Z,  99.90,   0.94,  99.90,  99.90,  -0.06,
07/06 22Z,  99.90,   0.84,  99.90,  99.90,  -0.06,
07/06 23Z,  99.90,   1.84,  99.90,  99.90,  -0.06,
07/07 00Z,  99.90,   3.36,  99.90,  99.90,  -0.06,