CatchWindow · Time on the water

Plage des Grandes Cayes conditions

Weather, wind and available nearby ocean forecasts for Plage des Grandes Cayes. Model forecasts are separate from station observations.

Coordinates: 18.1164525, -63.020483

Forecast sources and coverage

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

Forecast for Port de Lonvilliers, 1.9 km from Plage des Grandes Cayes. Local conditions can differ.

Weather fetched 2026-11-07T08:14:05.124Z.

Complete hourly weather forecast

Weather model in America/Puerto_Rico
Time	Air °C	Wind km/h	Gust	Wind from °	Rain mm	Rain %	Pressure hPa
Nov 7, 12:00 a.m. AST	28.2	17.9	27.0 km/h	240.0	0.2	79.0	1010.0
Nov 7, 01:00 a.m. AST	27.6	28.0	35.3 km/h	216.0	0.5	90.0	1009.6
Nov 7, 02:00 a.m. AST	27.4	28.0	39.6 km/h	230.0	0.4	98.0	1008.8
Nov 7, 03:00 a.m. AST	27.9	28.5	40.7 km/h	230.0	0.5	99.0	1008.1
Nov 7, 04:00 a.m. AST	28.3	29.2	38.5 km/h	231.8	0.0	96.0	1007.8
Nov 7, 05:00 a.m. AST	28.3	28.4	38.9 km/h	229.4	0.0	94.0	1007.7
Nov 7, 06:00 a.m. AST	28.4	27.4	37.4 km/h	224.0	0.2	95.0	1008.3
Nov 7, 07:00 a.m. AST	28.4	28.1	37.4 km/h	228.1	1.3	97.0	1009.2
Nov 7, 08:00 a.m. AST	27.4	29.9	39.2 km/h	237.3	1.3	98.0	1010.5
Nov 7, 09:00 a.m. AST	27.3	35.3	44.6 km/h	231.9	0.9	97.0	1011.1
Nov 7, 10:00 a.m. AST	27.7	30.2	45.7 km/h	228.4	2.0	95.0	1011.3
Nov 7, 11:00 a.m. AST	27.4	29.5	42.5 km/h	232.3	2.4	94.0	1011.1
Nov 7, 12:00 p.m. AST	26.9	35.3	48.2 km/h	235.6	2.2	94.0	1010.8
Nov 7, 01:00 p.m. AST	26.9	32.4	47.5 km/h	232.7	2.5	94.0	1010.4
Nov 7, 02:00 p.m. AST	26.7	33.8	43.9 km/h	241.1	1.7	94.0	1010.0
Nov 7, 03:00 p.m. AST	27.0	34.2	49.3 km/h	232.3	0.6	94.0	1009.1
Nov 7, 04:00 p.m. AST	27.0	36.4	47.9 km/h	241.5	1.4	95.0	1009.6
Nov 7, 05:00 p.m. AST	26.5	37.4	49.7 km/h	234.6	3.0	94.0	1010.4
Nov 7, 06:00 p.m. AST	27.7	29.2	52.9 km/h	233.8	0.5	92.0	1010.1
Nov 7, 07:00 p.m. AST	27.8	33.1	41.8 km/h	238.5	1.8	90.0	1011.0
Nov 7, 08:00 p.m. AST	26.9	30.6	45.7 km/h	246.1	1.0	86.0	1011.4
Nov 7, 09:00 p.m. AST	27.0	29.9	38.9 km/h	236.6	1.4	80.0	1012.7
Nov 7, 10:00 p.m. AST	26.1	26.6	42.1 km/h	254.6	0.3	74.0	1012.9
Nov 7, 11:00 p.m. AST	27.1	28.8	36.4 km/h	242.6	0.0	69.0	1012.6
Nov 8, 12:00 a.m. AST	27.2	31.7	41.8 km/h	234.5	0.0	68.0	1012.2
Nov 8, 01:00 a.m. AST	27.4	31.0	42.1 km/h	238.5	0.2	68.0	1011.5
Nov 8, 02:00 a.m. AST	28.0	29.9	41.4 km/h	238.5	0.4	69.0	1011.1
Nov 8, 03:00 a.m. AST	27.9	33.1	43.9 km/h	242.1	0.2	70.0	1010.8
Nov 8, 04:00 a.m. AST	28.1	30.2	42.5 km/h	249.9	0.3	71.0	1010.6
Nov 8, 05:00 a.m. AST	28.2	27.7	39.6 km/h	254.3	1.1	73.0	1010.9
Nov 8, 06:00 a.m. AST	27.5	25.9	36.4 km/h	247.9	3.5	76.0	1011.9
Nov 8, 07:00 a.m. AST	26.7	19.8	32.8 km/h	249.0	2.7	80.0	1013.0
Nov 8, 08:00 a.m. AST	26.9	25.9	34.9 km/h	235.7	0.6	82.0	1013.2
Nov 8, 09:00 a.m. AST	26.9	24.5	33.8 km/h	254.5	0.6	82.0	1014.4
Nov 8, 10:00 a.m. AST	27.5	22.7	34.2 km/h	259.3	0.0	80.0	1014.4
Nov 8, 11:00 a.m. AST	28.0	24.1	32.0 km/h	262.6	0.0	78.0	1014.1
Nov 8, 12:00 p.m. AST	28.1	23.8	31.7 km/h	260.9	0.0	76.0	1013.4
Nov 8, 01:00 p.m. AST	28.3	23.8	31.7 km/h	258.6	0.6	73.0	1012.7
Nov 8, 02:00 p.m. AST	28.1	21.2	32.4 km/h	262.0	0.3	69.0	1012.2
Nov 8, 03:00 p.m. AST	28.2	17.3	28.4 km/h	253.4	0.3	65.0	1011.9
Nov 8, 04:00 p.m. AST	28.3	16.6	24.8 km/h	255.3	1.4	59.0	1012.0
Nov 8, 05:00 p.m. AST	27.4	33.1	No gust	231.0	2.3	53.0	1012.9
Nov 8, 06:00 p.m. AST	25.9	36.4	53.6 km/h	266.6	1.6	44.0	1013.3
Nov 8, 07:00 p.m. AST	26.2	18.0	41.4 km/h	264.5	0.3	34.0	1013.6
Nov 8, 08:00 p.m. AST	26.4	14.0	24.8 km/h	257.9	0.0	25.0	1014.2
Nov 8, 09:00 p.m. AST	27.3	15.5	22.7 km/h	260.9	0.0	19.0	1014.7
Nov 8, 10:00 p.m. AST	27.4	13.7	21.6 km/h	260.9	0.0	14.0	1014.8
Nov 8, 11:00 p.m. AST	27.5	13.3	19.8 km/h	266.5	0.0	10.0	1014.6

Shoreline adventures 2026-11-07

Coverage: available. Source: provider: NOAA; stationId: TEC4765; locationName: St. Barthelemy; distanceKm: 30.071646380664028; datum: MLLW. Times use America/Puerto_Rico. 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 7, 08:00 a.m. AST	Nov 7, 10:00 a.m. AST	3.0	Poor	16.1	19.0	24.1 kn	1.3	complete	Heavy rain with wind; Rain reduces outing comfort; Wind limits outing comfort
Nov 7, 02:00 p.m. AST	Nov 7, 04:00 p.m. AST	3.0	Poor	18.3	18.5	26.6 kn	1.7	complete	Heavy rain with wind; Rain reduces outing comfort; Strong wind or gusts

Shoreline tide predictions

Source high and low predictions; heights keep the source datum
Time	Tide	Height m
Nov 7, 05:26 a.m. AST	high	0.5
Nov 7, 10:06 p.m. AST	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
Nov 6, 11:21 a.m. AST	Nov 7, 02:21 a.m. AST	complete	none	partial
Nov 7, 11:52 a.m. AST	Nov 8, 02:37 a.m. AST	complete	available	complete

Shoreline adventures 2026-11-08

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 8, 10:00 a.m. AST	Nov 8, 12:00 p.m. AST	5.8	Fair	12.2	13.0	18.5 kn	0.0	complete
Nov 8, 02:00 p.m. AST	Nov 8, 04:00 p.m. AST	7.0	Good	9.3	11.5	17.5 kn	0.3	complete

Shoreline tide predictions

Source high and low predictions; heights keep the source datum
Time	Tide	Height m
Nov 8, 05:52 a.m. AST	high	0.5
Nov 8, 10:29 p.m. AST	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
Nov 7, 11:16 a.m. AST	Nov 8, 02:52 a.m. AST	complete	none	complete