Fields contained in the files
"flux_5hfddd.txt"
and
"flux_30hfddd.txt"
where the "ddd" is the yearday (for example, day 222 is August 9th).  The files are 5-minute and 30-minute averages.
Contact jeff.hare@noaa.gov for more info.

1	Decimal julian day at beginning of line
2	true wind speed top of bow tower
3	true wind direction, deg
4	sea T, C
5	N/A
6	N/A
7	air T at 10 m, C
8	air specific humidity at sea surface, g/kg
9	air specific humidity at 10 m, g/kg
10	solar flux, w/m^2
11	IR flux, w/m^2
12	etl optical raingage precip rate, mm/hr
13	sog from gps, m/s
14	ship heading from gyrocompass, deg
15	relative wind speed, m/s
16	relative wind direction, deg
17	decimal latitude, deg
18	decimal longtude, deg
19	N/A
20	N/A
21	wind stress, coare 3.0, N/m^2
22	sensible heat flux, coare 3.0, w/m^2
23	latent heat flux, coare 3.0, w/m^2
24	rain heat flux, w/m^2
25	N/A
26	N/A
27	N/A
28	N/A