Outer Cape snapshot

Cape-wide chart based on Outer Cape (Marconi) model data (Open-Meteo marine). Heights are daily maximum swell in feet. Updated Oct 5, 12:06 AM EDT.

30-day avg

2.0 ft

30-day max

4.3 ft

2026 monthly avg

1.7 ft

Peak month so far

Feb 2.5 ft avg

Oct is running soft so far (1.6 ft avg) versus Feb’s 2.5 ft lead for 2026. Last 30 days averaged 2.0 ft (peak day 4.3 ft).

Last 30 days · daily max swell

Line chart of each day’s maximum swell height (ft). Hover points for exact values.

Last 30 days daily max swell height Daily maximum swell height in feet for the Outer Cape over the last 30 days. 5.0ft 3.8ft 2.5ft 1.3ft 0.0ft Sep 5: 1.6 ft Sep 5 Sep 6: 2.8 ft Sep 7: 1.9 ft Sep 8: 1.7 ft Sep 9: 0.8 ft Sep 9 Sep 10: 0.6 ft Sep 11: 1.3 ft Sep 12: 1.0 ft Sep 13: 1.1 ft Sep 13 Sep 14: 1.1 ft Sep 15: 1.7 ft Sep 16: 1.3 ft Sep 17: 1.4 ft Sep 17 Sep 18: 1.2 ft Sep 19: 2.2 ft Sep 20: 1.3 ft Sep 21: 1.6 ft Sep 21 Sep 22: 1.9 ft Sep 23: 3.2 ft Sep 24: 4.3 ft Sep 25: 3.9 ft Sep 25 Sep 26: 2.6 ft Sep 27: 3.8 ft Sep 28: 3.9 ft Sep 29: 3.1 ft Sep 29 Sep 30: 2.0 ft Oct 1: 1.6 ft Oct 2: 0.9 ft Oct 3: 1.3 ft Oct 3 Oct 4: 1.9 ft Oct 4
Daily max swell for the last 30 days
Date Swell max (ft) Wave max (ft) Period (s)
2026-10-04 1.9 2.4 5.8
2026-10-03 1.3 2.2 9.2
2026-10-02 0.9 2.1 7.7
2026-10-01 1.6 1.9 7.6
2026-09-30 2.0 2.2 7.8
2026-09-29 3.1 3.3 7.6
2026-09-28 3.9 4.5 6.6
2026-09-27 3.8 6.1 8.7
2026-09-26 2.6 7.0 8.9
2026-09-25 3.9 6.2 8.6
2026-09-24 4.3 5.5 8.1
2026-09-23 3.2 5.2 7.3
2026-09-22 1.9 3.8 6.1
2026-09-21 1.6 2.8 5.6
2026-09-20 1.3 1.8 6.6
2026-09-19 2.2 3.2 6.6
2026-09-18 1.2 1.8 6.2
2026-09-17 1.4 1.6 6.3
2026-09-16 1.3 1.4 5.5
2026-09-15 1.7 3.0 4.9
2026-09-14 1.1 3.0 6.0
2026-09-13 1.1 1.7 9.2
2026-09-12 1.0 1.4 7.6
2026-09-11 1.3 2.0 7.2
2026-09-10 0.6 2.7 6.8
2026-09-09 0.8 2.0 8.3
2026-09-08 1.7 2.3 9.9
2026-09-07 1.9 3.0 9.9
2026-09-06 2.8 3.4 7.9
2026-09-05 1.6 3.0 6.7

2026 annual pattern · monthly average

Average daily-max swell by month for 2026 so far. Use this to see which months run taller on the Outer Cape.

2026 monthly average swell height Average of daily maximum swell heights in feet for each month of 2026. 3.0ft 2.3ft 1.5ft 0.8ft 0.0ft Jan: 1.7 ft Jan Feb: 2.5 ft Mar: 2.1 ft Mar Apr: 2.1 ft May: 1.8 ft May Jun: 1.3 ft Jul: 1.3 ft Jul Aug: 1.1 ft Sep: 1.9 ft Sep Oct: 1.6 ft Oct

Monthly peak day (max swell)

Highest single-day swell max inside each month.

2026 monthly peak swell height Highest daily maximum swell height in feet for each month of 2026. 8.0ft 6.0ft 4.0ft 2.0ft 0.0ft Jan: 6.8 ft Jan Feb: 4.8 ft Mar: 5.2 ft Mar Apr: 4.5 ft May: 4.8 ft May Jun: 4.3 ft Jul: 3.0 ft Jul Aug: 1.9 ft Sep: 4.3 ft Sep Oct: 2.4 ft Oct
2026 monthly swell averages
Month Avg daily max (ft) Peak day (ft) Days
Jan 2026 1.7 6.8 31
Feb 2026 2.5 4.8 28
Mar 2026 2.1 5.2 31
Apr 2026 2.1 4.5 30
May 2026 1.8 4.8 31
Jun 2026 1.3 4.3 30
Jul 2026 1.3 3.0 31
Aug 2026 1.1 1.9 31
Sep 2026 1.9 4.3 30
Oct 2026 1.6 2.4 5

Live beach reports

Charts above are Cape-wide. Jump to a break for today’s wind, tide, and forecast.

← Back to Cape Cod Surf Report