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
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
#Cedar Key, FL : 12/15/2025 14:21:43 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/13 18Z,   0.30,   1.46,   1.75,  99.90,  -0.01,
12/13 19Z,   0.30,   1.25,   1.53,  99.90,  -0.02,  (min)
12/13 20Z,   0.30,   1.24,   1.54,  99.90,  -0.00,
12/13 21Z,   0.30,   1.46,   1.82,  99.90,   0.06,
12/13 22Z,   0.40,   1.84,   2.38,  99.90,   0.14,
12/13 23Z,   0.40,   2.30,   2.88,  99.90,   0.18,
12/14 00Z,   0.50,   2.75,   3.36,  99.90,   0.11,
12/14 01Z,   0.50,   3.06,   3.59,  99.90,   0.03,
12/14 02Z,   0.50,   3.12,   3.63,  99.90,   0.01,  (max)
12/14 03Z,   0.50,   2.91,   3.35,  99.90,  -0.06,
12/14 04Z,   0.50,   2.50,   2.91,  99.90,  -0.09,
12/14 05Z,   0.50,   1.96,   2.46,  99.90,  -0.00,
12/14 06Z,   0.60,   1.38,   1.87,  99.90,  -0.11,
12/14 07Z,   0.60,   0.85,   1.33,  99.90,  -0.12,
12/14 08Z,   0.60,   0.51,   0.95,  99.90,  -0.16,
12/14 09Z,   0.60,   0.42,   0.87,  99.90,  -0.15,  (min)
12/14 10Z,   0.60,   0.59,   1.09,  99.90,  -0.10,
12/14 11Z,   0.60,   0.95,   1.46,  99.90,  -0.09,
12/14 12Z,   0.60,   1.45,   1.97,  99.90,  -0.08,
12/14 13Z,   0.60,   1.96,   2.51,  99.90,  -0.05,
12/14 14Z,   0.60,   2.34,   2.82,  99.90,  -0.12,
12/14 15Z,   0.60,   2.50,   3.06,  99.90,  -0.04,  (max)
12/14 16Z,   0.60,   2.45,   3.00,  99.90,  -0.05,
12/14 17Z,   0.60,   2.25,   2.83,  99.90,  -0.02,
12/14 18Z,   0.50,   1.96,   2.37,  99.90,  -0.09,
12/14 19Z,   0.40,   1.66,   2.06,  99.90,   0.00,
12/14 20Z,   0.40,   1.46,   1.78,  99.90,  -0.08,
12/14 21Z,   0.40,   1.48,   1.72,  99.90,  -0.16,  (min)
12/14 22Z,   0.40,   1.71,   1.91,  99.90,  -0.20,
12/14 23Z,   0.30,   2.09,   2.21,  99.90,  -0.18,
12/15 00Z,   0.10,   2.56,   2.54,  99.90,  -0.12,
12/15 01Z,   0.00,   2.99,   2.73,  99.90,  -0.26,  (max)
12/15 02Z,  -0.20,   3.25,   2.54,  99.90,  -0.51,
12/15 03Z,  -0.50,   3.23,   2.26,  99.90,  -0.47,
12/15 04Z,  -0.70,   2.93,   1.73,  99.90,  -0.50,
12/15 05Z,  -0.90,   2.43,   1.10,  99.90,  -0.43,
12/15 06Z,  -1.00,   1.80,   0.57,  99.90,  -0.23,
12/15 07Z,  -1.20,   1.14,  -0.03,  99.90,   0.03,
12/15 08Z,  -1.20,   0.55,  -0.69,  99.90,  -0.04,
12/15 09Z,  -1.30,   0.17,  -1.17,  99.90,  -0.04,
12/15 10Z,  -1.30,   0.07,  -1.42,  99.90,  -0.19,  (min)
12/15 11Z,  -1.40,   0.27,  -1.36,  99.90,  -0.23,
12/15 12Z,  -1.40,   0.71,  -1.07,  99.90,  -0.38,
12/15 13Z,  -1.40,   1.31,  -0.66,  99.90,  -0.57,
12/15 14Z,  -1.40,   1.92,  -0.14,  99.90,  -0.66,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 15Z,  -1.40,   2.37,  99.90,   0.37,  -0.61,
12/15 16Z,  -1.30,   2.59,  99.90,   0.73,  -0.55,
12/15 17Z,  -1.30,   2.57,  99.90,   0.77,  -0.50,
12/15 18Z,  -1.10,   2.38,  99.90,   0.83,  -0.45,  (max)
12/15 19Z,  -1.00,   2.08,  99.90,   0.69,  -0.40,
12/15 20Z,  -0.90,   1.78,  99.90,   0.53,  -0.35,
12/15 21Z,  -0.80,   1.59,  99.90,   0.50,  -0.29,  (min)
12/15 22Z,  -0.60,   1.63,  99.90,   0.79,  -0.24,
12/15 23Z,  -0.50,   1.89,  99.90,   1.20,  -0.19,
12/16 00Z,  -0.40,   2.31,  99.90,   1.78,  -0.14,
12/16 01Z,  -0.40,   2.80,  99.90,   2.31,  -0.09,
12/16 02Z,  -0.40,   3.21,  99.90,   2.78,  -0.03,
12/16 03Z,  -0.50,   3.40,  99.90,   2.87,  -0.03,  (max)
12/16 04Z,  -0.50,   3.29,  99.90,   2.75,  -0.03,
12/16 05Z,  -0.50,   2.89,  99.90,   2.35,  -0.03,
12/16 06Z,  -0.50,   2.29,  99.90,   1.75,  -0.03,
12/16 07Z,  -0.50,   1.58,  99.90,   1.04,  -0.03,
12/16 08Z,  -0.40,   0.84,  99.90,   0.41,  -0.03,
12/16 09Z,  -0.30,   0.22,  99.90,  -0.12,  -0.03,
12/16 10Z,  -0.20,  -0.16,  99.90,  -0.39,  -0.03,  (min)
12/16 11Z,  -0.10,  -0.20,  99.90,  -0.34,  -0.03,
12/16 12Z,   0.00,   0.08,  99.90,   0.05,  -0.03,
12/16 13Z,   0.00,   0.63,  99.90,   0.59,  -0.03,
12/16 14Z,   0.00,   1.33,  99.90,   1.30,  -0.03,
12/16 15Z,   0.00,   2.01,  99.90,   1.98,  -0.03,
12/16 16Z,  -0.10,   2.49,  99.90,   2.36,  -0.03,
12/16 17Z,  -0.10,   2.71,  99.90,   2.57,  -0.03,  (max)
12/16 18Z,  -0.10,   2.67,  99.90,   2.54,  -0.03,
12/16 19Z,  -0.10,   2.45,  99.90,   2.32,  -0.03,
12/16 20Z,  -0.10,   2.13,  99.90,   1.99,  -0.03,
12/16 21Z,   0.00,   1.81,  99.90,   1.78,  -0.03,
12/16 22Z,   0.00,   1.64,  99.90,   1.61,  -0.03,  (min)
12/16 23Z,   0.10,   1.73,  99.90,   1.80,  -0.03,
12/17 00Z,   0.10,   2.05,  99.90,   2.12,  -0.03,
12/17 01Z,   0.20,   2.52,  99.90,   2.69,  -0.03,
12/17 02Z,   0.10,   3.03,  99.90,   3.09,  -0.03,
12/17 03Z,   0.10,   3.40,  99.90,   3.47,  -0.03,
12/17 04Z,   0.10,   3.51,  99.90,   3.58,  -0.03,  (max)
12/17 05Z,   0.00,   3.28,  99.90,   3.25,  -0.03,
12/17 06Z,   0.00,   2.77,  99.90,   2.74,  -0.03,
12/17 07Z,   0.00,   2.08,  99.90,   2.04,  -0.03,
12/17 08Z,   0.00,   1.29,  99.90,   1.26,  -0.03,
12/17 09Z,   0.00,   0.52,  99.90,   0.48,  -0.03,
12/17 10Z,   0.10,  -0.10,  99.90,  -0.03,  -0.03,
12/17 11Z,   0.20,  -0.42,  99.90,  -0.25,  -0.03,  (min)
12/17 12Z,   0.20,  -0.36,  99.90,  -0.19,  -0.03,
12/17 13Z,   0.30,   0.04,  99.90,   0.31,  -0.03,
12/17 14Z,   0.30,   0.70,  99.90,   0.97,  -0.03,
12/17 15Z,   0.30,   1.48,  99.90,   1.75,  -0.03,
12/17 16Z,   0.30,   2.18,  99.90,   2.45,  -0.03,
12/17 17Z,   0.20,   2.64,  99.90,   2.81,  -0.03,
12/17 18Z,   0.20,   2.81,  99.90,   2.97,  -0.03,  (max)
12/17 19Z,   0.20,   2.72,  99.90,   2.88,  -0.03,
12/17 20Z,   0.20,   2.45,  99.90,   2.62,  -0.03,
12/17 21Z,   0.20,   2.09,  99.90,   2.25,  -0.03,
12/17 22Z,   0.20,   1.77,  99.90,   1.94,  -0.03,
12/17 23Z,   0.30,   1.65,  99.90,   1.92,  -0.03,  (min)
12/18 00Z,   0.30,   1.81,  99.90,   2.08,  -0.03,
12/18 01Z,   0.40,   2.22,  99.90,   2.58,  -0.03,
12/18 02Z,   0.30,   2.74,  99.90,   3.01,  -0.03,
12/18 03Z,   0.30,   3.24,  99.90,   3.51,  -0.03,
12/18 04Z,   0.30,   3.56,  99.90,   3.83,  -0.03,  (max)
12/18 05Z,   0.20,   3.55,  99.90,   3.72,  -0.03,
12/18 06Z,   0.20,   3.20,  99.90,   3.37,  -0.03,
12/18 07Z,   0.20,   2.58,  99.90,   2.74,  -0.03,
12/18 08Z,   0.20,   1.80,  99.90,   1.97,  -0.03,
12/18 09Z,   0.20,   0.97,  99.90,   1.14,  -0.03,
12/18 10Z,   0.30,   0.20,  99.90,   0.46,  -0.03,
12/18 11Z,   0.40,  -0.36,  99.90,   0.00,  -0.03,
12/18 12Z,   0.50,  -0.57,  99.90,  -0.10,  -0.03,  (min)
12/18 13Z,   0.60,  -0.38,  99.90,   0.19,  -0.03,
12/18 14Z,   0.60,   0.15,  99.90,   0.72,  -0.03,
12/18 15Z,   0.60,   0.90,  99.90,   1.47,  -0.03,
12/18 16Z,   0.60,   1.71,  99.90,   2.28,  -0.03,
12/18 17Z,   0.60,   2.38,  99.90,   2.95,  -0.03,
12/18 18Z,   0.60,   2.77,  99.90,   3.34,  -0.03,  (max)
12/18 19Z,   0.50,   2.85,  99.90,   3.32,  -0.03,
12/18 20Z,   0.40,   2.69,  99.90,   3.06,  -0.03,
12/18 21Z,   0.50,   2.36,  99.90,   2.83,  -0.03,
12/18 22Z,   0.50,   1.98,  99.90,   2.45,  -0.03,
12/18 23Z,   0.60,   1.69,  99.90,   2.26,  -0.03,  (min)
12/19 00Z,   0.70,   1.65,  99.90,   2.32,  -0.03,
12/19 01Z,   0.70,   1.92,  99.90,   2.58,  -0.03,
12/19 02Z,   0.80,   2.40,  99.90,   3.17,  -0.03,
12/19 03Z,   0.80,   2.97,  99.90,   3.73,  -0.03,
12/19 04Z,   0.80,   3.44,  99.90,   4.21,  -0.03,
12/19 05Z,   0.90,   3.66,  99.90,   4.53,  -0.03,  (max)
12/19 06Z,   1.00,   3.52,  99.90,   4.49,  -0.03,