Narrative:

Cleared for the [lga] ILS Rwy22 circle to land Rwy13 in night VMC. First officer was pilot flying. As we turned in on final for runway 13 and started our approach descent; the strong undershooting crosswind caused us to be left of centerline. I was looking outside the aircraft to maintain sight of airport when we received a GPWS warning-caution obstacle. I looked in and saw how low and left of course we were. I told the first officer to level and correct back to centerline. We continued the approach.suggestions: better monitoring of the approach. We had properly planned and briefed the approach.

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Original NASA ASRS Text

Title: B737-800 flight crew received a GPWS 'Obstacle' warning when they deviated from charted procedure on a night visual approach to LGA.

Narrative: Cleared for the [LGA] ILS Rwy22 circle to land Rwy13 in night VMC. FO was pilot flying. As we turned in on final for RWY 13 and started our approach descent; the strong undershooting crosswind caused us to be left of centerline. I was looking outside the aircraft to maintain sight of airport when we received a GPWS Warning-Caution Obstacle. I looked in and saw how low and left of course we were. I told the FO to level and correct back to centerline. We continued the approach.Suggestions: Better monitoring of the approach. We had properly planned and briefed the approach.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.