Outer Cape snapshot

Cape-wide chart based on Outer Cape (Marconi) model data (Open-Meteo marine). Heights are daily maximum swell in feet. Updated Aug 20, 9:26 PM EDT (cached).

30-day avg

1.2 ft

30-day max

2.3 ft

2026 monthly avg

1.7 ft

Peak month so far

Feb 2.5 ft avg

Aug is running soft so far (0.9 ft avg) versus Feb’s 2.5 ft lead for 2026. Last 30 days averaged 1.2 ft (peak day 2.3 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. 3.0ft 2.3ft 1.5ft 0.8ft 0.0ft Jul 21: 1.0 ft Jul 21 Jul 22: 1.6 ft Jul 23: 1.4 ft Jul 24: 1.2 ft Jul 25: 1.4 ft Jul 25 Jul 26: 1.8 ft Jul 27: 2.0 ft Jul 28: 1.6 ft Jul 29: 1.3 ft Jul 29 Jul 30: 2.3 ft Jul 31: 2.2 ft Aug 1: 1.3 ft Aug 2: 1.1 ft Aug 2 Aug 3: 1.3 ft Aug 4: 1.1 ft Aug 5: 0.9 ft Aug 6: 0.7 ft Aug 6 Aug 7: 0.5 ft Aug 8: 0.7 ft Aug 9: 0.6 ft Aug 10: 0.7 ft Aug 10 Aug 11: 0.7 ft Aug 12: 0.6 ft Aug 13: 0.7 ft Aug 14: 1.3 ft Aug 14 Aug 15: 1.0 ft Aug 16: 0.7 ft Aug 17: 0.9 ft Aug 18: 1.3 ft Aug 18 Aug 19: 1.3 ft Aug 19
Daily max swell for the last 30 days
Date Swell max (ft) Wave max (ft) Period (s)
2026-08-19 1.3 1.6 7.5
2026-08-18 1.3 1.7 7.2
2026-08-17 0.9 1.3 6.7
2026-08-16 0.7 1.1 7.4
2026-08-15 1.0 1.6 7.6
2026-08-14 1.3 1.7 9.1
2026-08-13 0.7 1.6 10.0
2026-08-12 0.6 1.1 11.9
2026-08-11 0.7 1.2 7.4
2026-08-10 0.7 1.3 7.7
2026-08-09 0.6 1.4 7.8
2026-08-08 0.7 1.5 8.2
2026-08-07 0.5 1.3 9.7
2026-08-06 0.7 1.3 9.4
2026-08-05 0.9 1.3 5.3
2026-08-04 1.1 2.1 5.4
2026-08-03 1.3 3.1 6.0
2026-08-02 1.1 1.7 7.5
2026-08-01 1.3 1.9 7.8
2026-07-31 2.2 3.0 7.5
2026-07-30 2.3 3.6 5.5
2026-07-29 1.3 3.0 7.3
2026-07-28 1.6 1.8 6.2
2026-07-27 2.0 2.2 5.1
2026-07-26 1.8 2.6 5.1
2026-07-25 1.4 2.0 5.1
2026-07-24 1.2 1.4 5.8
2026-07-23 1.4 2.1 6.4
2026-07-22 1.6 2.8 6.4
2026-07-21 1.0 2.2 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 Feb Mar: 2.1 ft Mar Apr: 2.1 ft Apr May: 1.8 ft May Jun: 1.3 ft Jun Jul: 1.3 ft Jul Aug: 0.9 ft Aug

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 Feb Mar: 5.2 ft Mar Apr: 4.5 ft Apr May: 4.8 ft May Jun: 4.3 ft Jun Jul: 3.0 ft Jul Aug: 1.3 ft Aug
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 0.9 1.3 21

Live beach reports

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

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