Thank-you for your revised submission. I still think this needs some further revision. There are two overall points. [Eventually also the text will be copy edited, which I expect will introduce many changes to the use of English which you will need to check].

There is a focus on October, said here to be because this is when the influence of IOD on the waves is most apparent. However, the IOD affects conditions in other months and waves are larger in other months. I think there needs to be clearer explanation of why October is the month of particular interest.

There are many statements about winds affecting SST and vice versa, and this is very confusing. I think it would help to bring all these statements together in one place to “paint” one self-consistent “picture”, and then to avoid other statements (it might be necessary to refer to the “picture”). Because SST defines DMI which is used as the measure of IOD, it is not helpful to further discuss the IOD – SST relation. [However, it does seem that IOD does not represent all SST influence.]

More detailed points.

Line 2. Citations/references are to Glejin et al. If Glejin is the family name then it should appear as “J. Glejin” in the author list.

Line 16. “ocean” not “oceanic process”?
Lines 16-17. “.. influence of an inter-annual mode of variability, the . . .(IOD), on the wave climate . .”
Lines 20-22. Waves depend on winds (line 22) which might in turn depend on equatorial SST and SLP (lines 20-21) The link needs to be made; at present the two sentences appear to contradict each other.

Lines 31-32. “. . limited to short transition periods between . .”
Line 43. “. . SW monsoon season . .”
Line 45. “. . 34 years’ data. The average . .”
Lines 56-57. “. . IO affect the spatial distribution . . in the tropical IO. The SST differs from that observed . .”
Lines 61-62. “. . 1999]. “Positive” IOD (PIOD) is associated . .”
Line 69. Not “continuously”; “continually” or omit.
Lines 74-75 are repeated at lines 90-92.
Line 83. “Walker”.
Line 102. “. . numerical models are described . .”

Line 116. “. . ERA-I was previously evaluated . .”
Line 117. “performance compared with . .”
Line 135. “. . in latitude and longitude . .”
Lines 142-3 and lines 146-149. These are about the same thing and should be merged.
Line 149. Omit “initial”?

Lines 169-170. There is a contradiction between “calm” and “dominance of wind-sea”.
Line 180. “implies” not “infers”.
Line 185-186. “. . plot at the same six locations ..”
Line 195. “. . direction and change . .”
Lines 196-7. “component of wind blowing parallel” is unclear. Do you mean “. . merging with . . and north-westerly winds nearer the Indian coast.”
Lines 205-207. I think the following would be better. “. . respectively. As observed from climatology, these figures illustrate that in the eastern AS the north-westerly wind vectors are modified to north-easterly. Instead . .”
Line 208. “equatorial IO the wind blows . .”
Lines 217-218. This sentence should be at the beginning of section 2.
Lines 248-250. I think this sentence would be better as “SWH increases with the zonal wind component, and this increase is greater when the zonal wind component is positive than when it is negative.”
Lines 255, 258, 259. With no definition of wave age the numbers are meaningless. If dimensional they need units. What values of wave age correspond to waves driving wind rather than the usual (wind driving waves)?
Lines 259-260. “. . the eastern AS is a wave-driven wind region, i.e. waves transfer momentum . .”
Line 261. What is “mixed state”?
Line 264. “coarse” not “coarser”.
Line 273. No “decrease of SLP . .” in 1997.
Line 306. “SLP” not “SST” ?
Lines 305-307. Sentence better as “The north-eastern AS region is calm due to the absence of NW winds in the northern AS, in turn due to the associated negative SLP anomaly.”

Thank-you for your revisions. I am now asking just for a few "Technical Corrections". In addition to these, I expect that the copy-editing will make many detailed changes to the English, so you should check that the version after copy-editing still says what you intend.

Line 23 end. "a" not "the"
Line 61. Better ". . This SST difference varies during . ." (to avoid "overturns")
Line 180. Better ". . more impact on the central eastern AS than further north or south. Impact . ."
Line 284. Better ". . vector extend slightly further south compared . ." (If I understand correctly)
Line 303. Better "influence on the October wave climate . ."