EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Gulf of Alaska
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Eastport, ME
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Block Island, RI
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The Battery, NY
Bergen Pnt, NY
Sandy Hook, NJ
Atlantic City, NJ
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Philadelphia, PA
Reedy Pnt, DE
Lewes, DE
Surge List
East Coast
#Portland, ME : 08/11/2026 16:23:47 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/10 00Z,   0.70,   0.32,   0.89,  99.90,  -0.13,
08/10 01Z,   0.60,   0.47,   1.03,  99.90,  -0.04,  (max)
08/10 02Z,   0.60,  -0.46,  -0.00,  99.90,  -0.14,
08/10 03Z,   0.60,  -2.35,  -1.93,  99.90,  -0.18,
08/10 04Z,   0.60,  -4.88,  -4.46,  99.90,  -0.18,
08/10 05Z,   0.60,  -7.41,  -7.00,  99.90,  -0.19,
08/10 06Z,   0.60,  -9.28,  -9.00,  99.90,  -0.32,
08/10 07Z,   0.60, -10.12,  -9.76,  99.90,  -0.24,  (min)
08/10 08Z,   0.60,  -9.81,  -9.50,  99.90,  -0.29,
08/10 09Z,   0.60,  -8.44,  -8.13,  99.90,  -0.29,
08/10 10Z,   0.60,  -6.30,  -5.86,  99.90,  -0.16,
08/10 11Z,   0.60,  -4.00,  -3.58,  99.90,  -0.18,
08/10 12Z,   0.50,  -2.19,  -1.68,  99.90,   0.01,
08/10 13Z,   0.50,  -1.24,  -0.61,  99.90,   0.13,  (max)
08/10 14Z,   0.50,  -1.28,  -0.73,  99.90,   0.05,
08/10 15Z,   0.60,  -2.33,  -1.72,  99.90,   0.01,
08/10 16Z,   0.60,  -4.22,  -3.61,  99.90,   0.01,
08/10 17Z,   0.60,  -6.45,  -6.02,  99.90,  -0.17,
08/10 18Z,   0.60,  -8.32,  -7.82,  99.90,  -0.10,
08/10 19Z,   0.60,  -9.28,  -8.81,  99.90,  -0.13,  (min)
08/10 20Z,   0.60,  -9.10,  -8.66,  99.90,  -0.16,
08/10 21Z,   0.60,  -7.79,  -7.26,  99.90,  -0.07,
08/10 22Z,   0.60,  -5.58,  -5.06,  99.90,  -0.08,
08/10 23Z,   0.60,  -3.00,  -2.31,  99.90,   0.09,
08/11 00Z,   0.70,  -0.77,  -0.10,  99.90,  -0.03,
08/11 01Z,   0.70,   0.57,   1.28,  99.90,   0.01,
08/11 02Z,   0.70,   0.79,   1.56,  99.90,   0.07,  (max)
08/11 03Z,   0.70,  -0.14,   0.55,  99.90,  -0.01,
08/11 04Z,   0.70,  -2.15,  -1.47,  99.90,  -0.02,
08/11 05Z,   0.60,  -4.85,  -4.25,  99.90,   0.00,
08/11 06Z,   0.70,  -7.56,  -7.07,  99.90,  -0.21,
08/11 07Z,   0.70,  -9.57,  -9.15,  99.90,  -0.28,
08/11 08Z,   0.70, -10.48,  -9.98,  99.90,  -0.20,  (min)
08/11 09Z,   0.70, -10.15,  -9.68,  99.90,  -0.23,
08/11 10Z,   0.70,  -8.64,  -8.26,  99.90,  -0.32,
08/11 11Z,   0.70,  -6.31,  -5.76,  99.90,  -0.15,
08/11 12Z,   0.70,  -3.83,  -3.23,  99.90,  -0.10,
08/11 13Z,   0.80,  -1.88,  -1.13,  99.90,  -0.05,
08/11 14Z,   0.70,  -0.84,  -0.03,  99.90,   0.11,  (max)
08/11 15Z,   0.70,  -0.88,  -0.11,  99.90,   0.07,
08/11 16Z,   0.70,  -2.04,  -1.12,  99.90,   0.22,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/11 17Z,   0.70,  -4.13,  99.90,  -3.23,   0.19,
08/11 18Z,   0.70,  -6.56,  99.90,  -5.69,   0.17,
08/11 19Z,   0.70,  -8.59,  99.90,  -7.74,   0.15,
08/11 20Z,   0.70,  -9.64,  99.90,  -8.82,   0.12,  (min)
08/11 21Z,   0.70,  -9.47,  99.90,  -8.67,   0.10,
08/11 22Z,   0.80,  -8.06,  99.90,  -7.18,   0.07,
08/11 23Z,   0.80,  -5.68,  99.90,  -4.83,   0.05,
08/12 00Z,   0.80,  -2.93,  99.90,  -2.11,   0.03,
08/12 01Z,   0.80,  -0.58,  99.90,   0.22,   0.00,
08/12 02Z,   0.80,   0.82,  99.90,   1.60,  -0.02,
08/12 03Z,   0.80,   1.05,  99.90,   1.81,  -0.05,  (max)
08/12 04Z,   0.70,   0.03,  99.90,   0.66,  -0.07,
08/12 05Z,   0.70,  -2.15,  99.90,  -1.51,  -0.07,
08/12 06Z,   0.70,  -5.03,  99.90,  -4.40,  -0.07,
08/12 07Z,   0.70,  -7.87,  99.90,  -7.24,  -0.07,
08/12 08Z,   0.60,  -9.93,  99.90,  -9.40,  -0.07,
08/12 09Z,   0.70, -10.80,  99.90, -10.17,  -0.07,  (min)
08/12 10Z,   0.70, -10.34,  99.90,  -9.70,  -0.07,
08/12 11Z,   0.80,  -8.61,  99.90,  -7.88,  -0.07,
08/12 12Z,   0.80,  -6.07,  99.90,  -5.34,  -0.07,
08/12 13Z,   0.80,  -3.44,  99.90,  -2.71,  -0.07,
08/12 14Z,   0.80,  -1.42,  99.90,  -0.69,  -0.07,
08/12 15Z,   0.80,  -0.39,  99.90,   0.34,  -0.07,  (max)
08/12 16Z,   0.80,  -0.53,  99.90,   0.20,  -0.07,
08/12 17Z,   0.80,  -1.89,  99.90,  -1.16,  -0.07,
08/12 18Z,   0.80,  -4.21,  99.90,  -3.48,  -0.07,
08/12 19Z,   0.80,  -6.82,  99.90,  -6.09,  -0.07,
08/12 20Z,   0.80,  -8.94,  99.90,  -8.21,  -0.07,
08/12 21Z,   0.80,  -9.99,  99.90,  -9.26,  -0.07,  (min)
08/12 22Z,   0.90,  -9.74,  99.90,  -8.91,  -0.07,
08/12 23Z,   0.90,  -8.18,  99.90,  -7.35,  -0.07,
08/13 00Z,   0.90,  -5.63,  99.90,  -4.80,  -0.07,
08/13 01Z,   0.90,  -2.77,  99.90,  -1.94,  -0.07,
08/13 02Z,   0.90,  -0.38,  99.90,   0.45,  -0.07,
08/13 03Z,   0.90,   1.00,  99.90,   1.83,  -0.07,
08/13 04Z,   0.90,   1.14,  99.90,   1.98,  -0.07,  (max)
08/13 05Z,   0.80,  -0.03,  99.90,   0.70,  -0.07,
08/13 06Z,   0.80,  -2.40,  99.90,  -1.67,  -0.07,
08/13 07Z,   0.80,  -5.42,  99.90,  -4.69,  -0.07,
08/13 08Z,   0.80,  -8.28,  99.90,  -7.55,  -0.07,
08/13 09Z,   0.80, -10.26,  99.90,  -9.53,  -0.07,
08/13 10Z,   0.80, -10.97,  99.90, -10.24,  -0.07,  (min)
08/13 11Z,   0.80, -10.27,  99.90,  -9.54,  -0.07,
08/13 12Z,   0.80,  -8.30,  99.90,  -7.57,  -0.07,
08/13 13Z,   0.80,  -5.59,  99.90,  -4.86,  -0.07,
08/13 14Z,   0.80,  -2.90,  99.90,  -2.16,  -0.07,
08/13 15Z,   0.70,  -0.91,  99.90,  -0.28,  -0.07,
08/13 16Z,   0.70,  -0.01,  99.90,   0.62,  -0.07,  (max)
08/13 17Z,   0.70,  -0.35,  99.90,   0.28,  -0.07,
08/13 18Z,   0.70,  -1.95,  99.90,  -1.32,  -0.07,
08/13 19Z,   0.70,  -4.48,  99.90,  -3.84,  -0.07,
08/13 20Z,   0.70,  -7.19,  99.90,  -6.56,  -0.07,
08/13 21Z,   0.70,  -9.29,  99.90,  -8.66,  -0.07,
08/13 22Z,   0.70, -10.24,  99.90,  -9.61,  -0.07,  (min)
08/13 23Z,   0.70,  -9.84,  99.90,  -9.21,  -0.07,
08/14 00Z,   0.70,  -8.10,  99.90,  -7.47,  -0.07,
08/14 01Z,   0.70,  -5.43,  99.90,  -4.80,  -0.07,
08/14 02Z,   0.70,  -2.55,  99.90,  -1.92,  -0.07,
08/14 03Z,   0.60,  -0.23,  99.90,   0.30,  -0.07,
08/14 04Z,   0.60,   1.02,  99.90,   1.55,  -0.07,  (max)
08/14 05Z,   0.60,   0.99,  99.90,   1.52,  -0.07,
08/14 06Z,   0.60,  -0.38,  99.90,   0.15,  -0.07,
08/14 07Z,   0.60,  -2.89,  99.90,  -2.36,  -0.07,
08/14 08Z,   0.60,  -5.94,  99.90,  -5.41,  -0.07,
08/14 09Z,   0.50,  -8.69,  99.90,  -8.26,  -0.07,
08/14 10Z,   0.60, -10.46,  99.90,  -9.93,  -0.07,
08/14 11Z,   0.60, -10.90,  99.90, -10.37,  -0.07,  (min)
08/14 12Z,   0.60,  -9.92,  99.90,  -9.39,  -0.07,
08/14 13Z,   0.60,  -7.74,  99.90,  -7.21,  -0.07,
08/14 14Z,   0.60,  -4.92,  99.90,  -4.39,  -0.07,
08/14 15Z,   0.50,  -2.29,  99.90,  -1.86,  -0.07,
08/14 16Z,   0.50,  -0.46,  99.90,  -0.03,  -0.07,
08/14 17Z,   0.60,   0.22,  99.90,   0.75,  -0.07,  (max)
08/14 18Z,   0.60,  -0.38,  99.90,   0.15,  -0.07,
08/14 19Z,   0.60,  -2.22,  99.90,  -1.69,  -0.07,
08/14 20Z,   0.60,  -4.88,  99.90,  -4.35,  -0.07,
08/14 21Z,   0.60,  -7.58,  99.90,  -7.05,  -0.07,
08/14 22Z,   0.60,  -9.55,  99.90,  -9.02,  -0.07,
08/14 23Z,   0.70, -10.32,  99.90,  -9.69,  -0.07,  (min)
08/15 00Z,   0.60,  -9.72,  99.90,  -9.19,  -0.07,
08/15 01Z,   0.60,  -7.84,  99.90,  -7.31,  -0.07,
08/15 02Z,   0.60,  -5.13,  99.90,  -4.60,  -0.07,
08/15 03Z,   0.50,  -2.34,  99.90,  -1.91,  -0.07,
08/15 04Z,   0.50,  -0.21,  99.90,   0.22,  -0.07,
08/15 05Z,   0.40,   0.82,  99.90,   1.15,  -0.07,  (max)
08/15 06Z,   0.40,   0.58,  99.90,   0.91,  -0.07,
08/15 07Z,  99.90,  -0.97,  99.90,  99.90,  -0.07,
08/15 08Z,  99.90,  -3.55,  99.90,  99.90,  -0.07,
08/15 09Z,  99.90,  -6.51,  99.90,  99.90,  -0.07,
08/15 10Z,  99.90,  -9.01,  99.90,  99.90,  -0.07,
08/15 11Z,  99.90, -10.45,  99.90,  99.90,  -0.07,
08/15 12Z,  99.90, -10.56,  99.90,  99.90,  -0.07,