NWS ocean prediction center Washington DC
2230 UTC sun Mar 21 2010
Ccode/1:31:04:01:00/aow/NWS/ccode
superseded by next issuance in 6 hours
Seas given as significant wave height...which is the average
height of the highest 1/3 of the waves. Individual waves may
be more than twice the significant wave height
Securite
North Atlantic weather north of 31n to 67n and west of 35w
Synopsis valid 1800 UTC Mar 21.
24 hour forecast valid 1800 UTC Mar 22.
48 hour forecast valid 1800 UTC Mar 23.
.Warnings.
...Storm Warning...
.Low E of area 59n30w 979 mb nearly stationary. N of 60n between
35w and 38w winds 35 to 50 kt. Seas 16 to 24 ft. Elsewhere N of
54n between 35w and 44w winds 25 to 40 kt. Seas 11 to 20 ft.
.24 hour forecast low 59n31w 980 mb. Within 180 nm W and NW of a
line from 59n39w to 62n38w to 63n35w winds 35 to 50 kt. Seas 16
to 26 ft. Elsewhere N of 53n between 35w and 44w winds 25 to 40
kt. Seas 12 to 21 ft.
.48 hour forecast low well E of area. From 55n to 61n between
39w and 45w winds 35 to 50 kt. Seas 14 to 27 ft. Elsewhere
within 180 nm S of a line from 56n35w to 58n45w and N of 58n
between 35w and 45w winds 25 to 40 kt. Seas 12 to 23 ft.
...Gale Warning...
.Low 56n40w 1010 mb moving NE 30 kt. From 31n to 39n between 35w
and 45w winds 25 to 35 kt. Seas to 11 ft.
.24 hour forecast low well E of area. From 31n to 36n between
35w and 40w winds 20 to 30 kt. Seas 8 to 12 ft.
.48 hour forecast conditions E of area.
...Gale Warning...
.Low 50n45w 1002 mb moving NE 30 kt. Within 360 nm se and 480 nm
SW quadrants winds 25 to 35 kt. Seas 8 to 13 ft.
.24 hour forecast low well E of area. Except where described in
Storm Warning above...between 35w and a line from 41n41w to
53n50w winds 25 to 35 kt. Seas 10 to 19 ft.
.48 hour forecast conditions E of area.
...Gale Warning...
.24 hour forecast new low 59n52w 1008 mb. Over ice free waters
within 240 nm W semicircle winds 20 to 30 kt. Seas to 9 ft.
.48 hour forecast low dissipated. Except where described in
Storm Warning above...within 300 nm SW of a line from 50n37w to
62n50w winds 25 to 40 kt. Seas 8 to 17 ft.
...Gale Warning...
.24 hour forecast low inland 39n82w 1004 mb. From 31n to 38n
between 69w and 75w winds 25 to 35 kt. Seas to 11 ft.
.48 hour forecast new low 39n69w 1000 mb. From 31n to 45n W of
60w winds 25 to 40 kt. Seas 8 to 15 ft.
...Gale Warning...
.48 hour forecast new low 45n36w 1008 mb. Within 300 nm S and
360 nm SW quadrants winds 25 to 35 kt. Seas 8 to 14 ft.
...Heavy freezing spray warning...
.Moderate to heavy freezing spray over ice free waters NW of a
line from 59n58w to 65n53w.
.24 hour forecast light to moderate freezing spray NW of a line
from 60n59w to 65n54w.
.48 hour forecast moderate to heavy freezing spray W and NW of a
line from 57n57w to 64n53w.
.Synopsis and forecast.
.high 36n61w 1026 mb moving NE 20 kt.
.24 hour forecast high 39n50w 1030 mb.
.48 hour forecast high 35n43w 1030 mb.
.Forecaster Collins. Ocean prediction center.
Tropical Prediction Center Miami FL
Atlantic between 07n to 31n W of 35w including Caribbean Sea and
Gulf of Mexico
Synopsis valid 1800 UTC sun Mar 21.
24 hour forecast valid 1800 UTC Mon Mar 22.
48 hour forecast valid 1800 UTC Tue Mar 23.
.Warnings.
...Gulf of Mexico Gale Warning...
.Cold front 30n84w to 21n87w. N of 27n W of front to 94w NW
winds 25 to 35 kt. Seas 9 to 14 ft.
.06 hour forecast winds below gale force.
.synopsis and forecast.
.Atlc cold front 31n39w to 25n50w then stationary to 22n72w.
N of 29n E of front SW winds 20 to 25 kt. Seas 8 ft.
.24 hour forecast cold front 28n35w to 23n45w. N of 27n W of
front to 43w NW to N winds 20 to 30 kt. Seas 8 to 12 ft.
.48 hour forecast cold front dissipated. N of 20n and se of line
30n42n to 24n50w to 20n60w NE winds 20 to 25 kt. Seas 8 to 11
ft...highest seas NE part.
.Atlc se of line 24n35w to 18n50w to 11n60w NE to E winds 20 kt.
Seas to 9 ft in NE swell.
.24 hour forecast from 10n to 20n between 47w and 61w NE to E
winds 20 to 25 kt. Seas to 9 ft with NE swell. Elsewhere S of
13n NE to E winds 20 kt. Seas to 9 ft in NE swell.
.48 hour forecast S of 20n between 45w and 62w NE to N winds 20
to 25 kt. Seas 8 to 10 ft with NE swell. Elsewhere S of 15n NE
winds 20 kt. Seas to 8 ft in NE swell.
.Atlc N of 24n W of 75w se to S winds 20 to 25 kt. Seas 8 ft E
of Bahamas.
.12 hour forecast cold front 31n79w to 27n80w. W of front SW to
W winds 20 to 25 kt. Seas to 8 ft. N of 26n E of front to 72w S
to SW winds 20 to 30 kt. Seas 8 to 11 ft.
.24 hour forecast cold front 31n75w to 23n78w. N of 27n W of
front SW to W winds 20 kt. Seas to 8 ft. N of 27n E of front to
67w S winds 20 to 30 kt. Seas 8 to 10 ft.
.48 hour forecast cold front 31n67w to 21n74w. N of 28n W of
front W to NW winds 20 to 25 kt. Seas 8 to 11 ft. N of 26n E of
front to 60w S to SW winds 20 to 30 kt. Seas to 9 ft.
.Caribbean from 11n to 18n E of 78w E winds 20 to 25 kt...Except
25 to 30 kt near the coast of Colombia. Seas 8 to 11 ft.
.12 hour forecast cold front 23n82w to 16n87w. NW of front NW to
N winds 20 to 25 kt. Seas 8 ft...except 8 to 10 ft Yucatan
Channel. From 11n to 18n E of 80w E winds 20 to 25 kt...except
25 to 30 kt S of 15n between 70w and 77w. Seas 8 to 12 ft.
.24 hour forecast cold front 22n79w to 16n84w. NW of front NW to
N winds 20 to 25 kt. Seas 8 ft...except 8 to 11 ft Yucatan
Channel. From 11n to 18n E of 80w E winds 20 to 25 kt...except
25 to 30 kt S of 15n between 70w and 77w. Seas 8 to 12 ft.
.48 hour forecast weakening cold front 21n77w to 12n83w. W of
front to 85w N to NE winds 20 kt. Seas to 9 ft in mixed NW and
NE swell. S of 18n E of front to 64w NE to E winds 20 to 25
kt...except 25 to 30 kt S of 15n between 70w and 76w. Seas 8 to
12 ft.
.Gulf of Mexico...Except as noted in warning...cold front 30n84w
to 21n87w. N of 25n E of front S winds 20 to 30 kt. Seas to 9
ft. Elsewhere NW of front NW to N winds 20 to 30 kt. Seas 8 to
15 ft...highest seas S of 28n W of 90w.
.06 hour forecast cold front 26n82w to Yucatan Channel. N of 26n
W of front to 95w W to NW winds 20 to 30 kt. Seas 9 to 14 ft.
S of 26n W of front to 94w NW to N winds 20 to 25 kt. Seas 8 to
14 ft...highest W of 90w.
.24 hour forecast cold front E of area. N of 24n between 84w and
93w W to NW winds 20 to 25 kt with higher gusts. Seas 8 to 13
ft. Elsewhere E of 94w N to NW winds to 20 kt. Seas 8 to 11 ft
in NW swell.
.48 hour forecast E of 85w winds less than 20 kt. Seas 8 ft in
NW swell.
.Remainder of area winds less than 20 kt. Seas less than 8 ft.
