CatchWindow · Time on the water

Beach near South Dennis (US) conditions

Weather, wind and available nearby ocean forecasts for Beach near South Dennis (US). Model forecasts are separate from station observations.

Coordinates: 41.6812374, -70.1591272

Forecast sources and coverage

Times use America/New_York. Weather: available; marine forecast: available. Regional model values are separate from station observations.

Forecast for Dennis Port, 2.2 miles south of (NOAA ACT1641_1), 8.1 km from Beach near South Dennis (US). Local conditions can differ.

Weather fetched 2026-11-13T00:31:16.554Z.

Marine fetched 2026-11-13T00:31:18.069Z.

Complete hourly weather forecast

Weather model in America/New_York
Time	Air °C	Wind km/h	Gust	Wind from °	Precipitation mm	Precipitation %	Pressure hPa
Nov 12, 12:00 a.m. EST	11.4	20.4	20.5 km/h	176.0	0.0	2.0	1010.3
Nov 12, 01:00 a.m. EST	11.5	22.2	No gust	161.0	0.0	1.0	1009.8
Nov 12, 02:00 a.m. EST	11.6	18.3	19.4 km/h	154.0	0.0	1.0	1009.9
Nov 12, 03:00 a.m. EST	11.5	13.1	14.4 km/h	166.0	0.0	1.0	1009.8
Nov 12, 04:00 a.m. EST	11.9	10.2	10.8 km/h	155.0	0.0	1.0	1009.2
Nov 12, 05:00 a.m. EST	11.4	13.7	15.5 km/h	142.0	0.0	1.0	1008.3
Nov 12, 06:00 a.m. EST	11.6	14.0	15.1 km/h	133.0	0.0	1.0	1008.0
Nov 12, 07:00 a.m. EST	11.9	22.5	24.8 km/h	142.0	0.0	1.0	1007.6
Nov 12, 08:00 a.m. EST	12.0	25.3	27.4 km/h	143.0	0.0	1.0	1007.5
Nov 12, 09:00 a.m. EST	12.0	24.6	27.7 km/h	139.0	0.0	1.0	1007.4
Nov 12, 10:00 a.m. EST	12.3	26.1	31.0 km/h	119.0	0.0	1.0	1006.5
Nov 12, 11:00 a.m. EST	12.4	25.2	30.6 km/h	105.0	0.0	1.0	1006.5
Nov 12, 12:00 p.m. EST	12.1	28.8	32.8 km/h	98.0	0.0	1.0	1004.5
Nov 12, 01:00 p.m. EST	11.9	32.3	36.4 km/h	93.0	0.0	1.0	1003.4
Nov 12, 02:00 p.m. EST	12.0	32.7	39.6 km/h	80.0	0.0	2.0	1002.3
Nov 12, 03:00 p.m. EST	11.2	37.8	40.7 km/h	76.3	0.0	4.0	1002.3
Nov 12, 04:00 p.m. EST	11.1	43.2	49.3 km/h	69.7	0.1	7.0	1001.1
Nov 12, 05:00 p.m. EST	10.9	42.5	52.2 km/h	74.0	0.3	19.0	1000.8
Nov 12, 06:00 p.m. EST	10.7	47.2	60.5 km/h	71.9	0.4	46.0	1000.0
Nov 12, 07:00 p.m. EST	10.1	48.2	65.5 km/h	66.6	3.8	97.0	999.2
Nov 12, 08:00 p.m. EST	9.6	43.9	62.3 km/h	60.7	6.8	100.0	999.3
Nov 12, 09:00 p.m. EST	9.4	46.1	70.6 km/h	68.5	7.2	100.0	999.8
Nov 12, 10:00 p.m. EST	8.9	48.2	67.3 km/h	60.6	3.2	100.0	999.3
Nov 12, 11:00 p.m. EST	8.7	51.1	No gust	58.8	1.2	86.0	998.4
Nov 13, 12:00 a.m. EST	8.6	53.3	No gust	56.3	0.5	66.0	997.8
Nov 13, 01:00 a.m. EST	8.5	50.8	No gust	52.3	0.3	21.0	997.9
Nov 13, 02:00 a.m. EST	8.4	49.7	53.6 km/h	50.4	0.2	14.0	997.9
Nov 13, 03:00 a.m. EST	8.7	47.9	57.2 km/h	49.0	0.2	15.0	997.8
Nov 13, 04:00 a.m. EST	8.8	49.0	53.6 km/h	45.5	0.1	15.0	997.7
Nov 13, 05:00 a.m. EST	8.7	47.5	53.6 km/h	43.4	0.1	16.0	997.6
Nov 13, 06:00 a.m. EST	8.8	45.7	51.8 km/h	41.0	0.1	18.0	998.1
Nov 13, 07:00 a.m. EST	8.8	45.0	47.2 km/h	38.1	0.0	15.0	998.4
Nov 13, 08:00 a.m. EST	8.8	45.0	46.1 km/h	35.7	0.0	12.0	998.6
Nov 13, 09:00 a.m. EST	8.9	43.6	45.4 km/h	37.7	0.0	13.0	998.8
Nov 13, 10:00 a.m. EST	8.8	42.5	No gust	36.0	0.0	17.0	998.9
Nov 13, 11:00 a.m. EST	8.7	42.5	No gust	34.1	0.1	18.0	998.9
Nov 13, 12:00 p.m. EST	8.6	41.4	42.8 km/h	30.3	0.1	17.0	998.6
Nov 13, 01:00 p.m. EST	8.2	40.7	No gust	24.1	0.1	22.0	998.7
Nov 13, 02:00 p.m. EST	8.0	40.0	No gust	23.8	0.2	27.0	999.0
Nov 13, 03:00 p.m. EST	7.8	41.0	42.1 km/h	25.0	0.1	30.0	999.6
Nov 13, 04:00 p.m. EST	7.7	41.8	No gust	22.3	0.2	60.0	1000.0
Nov 13, 05:00 p.m. EST	7.5	39.6	No gust	19.4	0.3	51.0	1000.6
Nov 13, 06:00 p.m. EST	7.3	37.4	No gust	17.7	0.4	29.0	1001.1
Nov 13, 07:00 p.m. EST	7.2	36.7	37.4 km/h	17.7	0.4	26.0	1001.7
Nov 13, 08:00 p.m. EST	7.2	34.6	No gust	21.2	0.2	25.0	1001.9
Nov 13, 09:00 p.m. EST	7.5	33.5	No gust	21.4	0.0	17.0	1002.0
Nov 13, 10:00 p.m. EST	7.7	32.8	No gust	17.7	0.0	15.0	1001.9
Nov 13, 11:00 p.m. EST	8.1	32.0	No gust	16.3	0.0	14.0	1001.6

Complete hourly marine forecast

Regional ocean model; local conditions can differ
Time	Wave m	Wave period s	Wave from °	Swell m	Swell period s	Water °C	Current km/h	Current toward °
Nov 12, 12:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	0.8	243.0
Nov 12, 01:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	1.7	252.0
Nov 12, 02:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	2.1	255.0
Nov 12, 03:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	1.8	259.0
Nov 12, 04:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	1.5	263.0
Nov 12, 05:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	0.7	284.0
Nov 12, 06:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	0.7	14.0
Nov 12, 07:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	1.4	50.0
Nov 12, 08:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	1.7	58.0
Nov 12, 09:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	1.6	63.0
Nov 12, 10:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	1.4	67.0
Nov 12, 11:00 a.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	0.4	63.0
Nov 12, 12:00 p.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	1.1	252.0
Nov 12, 01:00 p.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	2.2	256.0
Nov 12, 02:00 p.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	2.8	255.0
Nov 12, 03:00 p.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	2.6	258.0
Nov 12, 04:00 p.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	2.1	255.0
Nov 12, 05:00 p.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	1.3	254.0
Nov 12, 06:00 p.m. EST	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	Unavailable	0.4	270.0
Nov 12, 07:00 p.m. EST	1.1	4.2	83.0	Unavailable	Unavailable	12.8	0.7	76.0
Nov 12, 08:00 p.m. EST	1.1	4.3	81.0	Unavailable	Unavailable	12.7	1.3	82.0
Nov 12, 09:00 p.m. EST	1.2	4.5	79.0	Unavailable	Unavailable	12.7	1.5	83.0
Nov 12, 10:00 p.m. EST	1.2	4.7	77.0	Unavailable	Unavailable	12.7	1.3	90.0
Nov 12, 11:00 p.m. EST	1.3	4.8	75.0	Unavailable	Unavailable	12.6	0.8	117.0
Nov 13, 12:00 a.m. EST	1.3	4.8	74.0	Unavailable	Unavailable	12.6	1.0	211.0
Nov 13, 01:00 a.m. EST	1.3	4.8	72.0	Unavailable	Unavailable	12.6	2.3	238.0
Nov 13, 02:00 a.m. EST	1.3	5.0	70.0	Unavailable	Unavailable	12.5	3.1	242.0
Nov 13, 03:00 a.m. EST	1.3	5.0	68.0	Unavailable	Unavailable	12.5	3.0	245.0
Nov 13, 04:00 a.m. EST	1.3	5.1	66.0	Unavailable	Unavailable	12.5	2.8	243.0
Nov 13, 05:00 a.m. EST	1.3	5.1	64.0	Unavailable	Unavailable	12.4	2.4	243.0
Nov 13, 06:00 a.m. EST	1.2	5.1	63.0	Unavailable	Unavailable	12.4	1.5	240.0
Nov 13, 07:00 a.m. EST	1.2	5.0	61.0	Unavailable	Unavailable	12.4	0.5	225.0
Nov 13, 08:00 a.m. EST	1.2	5.0	60.0	Unavailable	Unavailable	12.3	0.4	117.0
Nov 13, 09:00 a.m. EST	1.2	5.0	59.0	Unavailable	Unavailable	12.3	0.7	104.0
Nov 13, 10:00 a.m. EST	1.2	5.0	58.0	Unavailable	Unavailable	12.3	0.6	108.0
Nov 13, 11:00 a.m. EST	1.1	5.0	57.0	Unavailable	Unavailable	12.3	0.5	135.0
Nov 13, 12:00 p.m. EST	1.1	5.0	55.0	Unavailable	Unavailable	12.2	0.9	217.0
Nov 13, 01:00 p.m. EST	1.1	5.0	54.0	Unavailable	Unavailable	12.2	1.9	236.0
Nov 13, 02:00 p.m. EST	1.1	5.0	54.0	Unavailable	Unavailable	12.2	2.8	243.0
Nov 13, 03:00 p.m. EST	1.1	5.0	53.0	Unavailable	Unavailable	12.2	2.7	247.0
Nov 13, 04:00 p.m. EST	1.1	5.0	53.0	Unavailable	Unavailable	12.1	2.4	243.0
Nov 13, 05:00 p.m. EST	1.0	5.0	55.0	Unavailable	Unavailable	12.1	1.9	241.0
Nov 13, 06:00 p.m. EST	1.0	5.0	57.0	Unavailable	Unavailable	12.1	0.9	233.0
Nov 13, 07:00 p.m. EST	0.9	5.0	59.0	Unavailable	Unavailable	12.1	0.4	117.0
Nov 13, 08:00 p.m. EST	0.9	5.1	61.0	Unavailable	Unavailable	12.1	1.3	82.0
Nov 13, 09:00 p.m. EST	0.9	5.1	62.0	Unavailable	Unavailable	12.0	1.8	84.0
Nov 13, 10:00 p.m. EST	0.9	5.2	64.0	Unavailable	Unavailable	12.0	2.0	85.0
Nov 13, 11:00 p.m. EST	0.8	5.2	66.0	Unavailable	Unavailable	12.0	1.8	90.0

Shoreline adventures 2026-11-12

Coverage: available. Source: provider: NOAA; stationId: 8447504; locationName: South Yarmouth, Bass River; distanceKm: 2.7001550742483746; datum: MLLW. Times use America/New_York. These are forecast assessments, not beach access, harvesting permission or safe navigation boundaries.

Daylight shoreline outings

Weather assessments with separate tide coverage
Start	End	Score /10	Assessment	Wind min kn	Wind max kn	Gust	Rain mm	Tide coverage	Reasons
Nov 12, 07:00 a.m. EST	Nov 12, 09:00 a.m. EST	9.1	Excellent	12.1	13.6	14.8 kn	0.0	complete
Nov 12, 12:00 p.m. EST	Nov 12, 03:00 p.m. EST	4.0	Fair	15.6	17.7	21.4 kn	0.0	complete	Wind limits outing comfort

Shoreline tide predictions

Source high and low predictions; heights keep the source datum
Time	Tide	Height m
Nov 12, 02:36 a.m. EST	high	0.8
Nov 12, 08:25 a.m. EST	low	0.1
Nov 12, 02:36 p.m. EST	high	0.9
Nov 12, 09:01 p.m. EST	low	0.0

Relative low-tide crossing windows

These geometric crossings of 70% of the source high tide are separate from the daylight outing assessments above.

Predicted relative water-level crossings
Start	End	Prediction coverage	Daylight coverage	Weather coverage
Unavailable	Nov 12, 12:39 a.m. EST	partial	unavailable	unavailable
Nov 12, 04:33 a.m. EST	Nov 12, 12:05 p.m. EST	complete	available	complete
Nov 12, 05:02 p.m. EST	Nov 13, 01:26 a.m. EST	complete	none	complete

Shoreline adventures 2026-11-13

Daylight shoreline outings

Weather assessments with separate tide coverage
Start	End	Score /10	Assessment	Wind min kn	Wind max kn	Gust	Rain mm	Tide coverage	Reasons
Nov 13, 06:28 a.m. EST	Nov 13, 12:00 p.m. EST	3.0	Poor	22.9	24.7	28.0 kn	0.1	complete	Strong wind or gusts
Nov 13, 12:00 p.m. EST	Nov 13, 04:24 p.m. EST	3.0	Poor	21.6	22.5	23.1 kn	0.2	complete	Strong wind or gusts

Shoreline tide predictions

Source high and low predictions; heights keep the source datum
Time	Tide	Height m
Nov 13, 03:18 a.m. EST	high	0.8
Nov 13, 09:06 a.m. EST	low	0.2
Nov 13, 03:18 p.m. EST	high	0.9
Nov 13, 09:43 p.m. EST	low	0.1

Relative low-tide crossing windows

These geometric crossings of 70% of the source high tide are separate from the daylight outing assessments above.

Predicted relative water-level crossings
Start	End	Prediction coverage	Daylight coverage	Weather coverage
Nov 12, 05:07 p.m. EST	Nov 13, 01:19 a.m. EST	complete	none	complete
Nov 13, 05:17 a.m. EST	Nov 13, 12:43 p.m. EST	complete	available	complete

Daily precipitation totals

Full local-day forecasts from Open-Meteo, including rain and snow water equivalent. Missing totals remain unavailable.

Daily precipitation in America/New_York
Date	Precipitation mm
2026-11-12	9.4
2026-11-13	2.3