20 (月)	05:52	11:35	17:28	23:58
	139cm	40cm	147cm	6cm
大潮 出 06:20 入 17:27 出 06:53 入 18:55

上総勝浦（千葉）2034年02月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/20 00:00	2.9	↑1.5
2/20 00:10	4.9	↑2.0
2/20 00:20	7.3	↑2.4
2/20 00:30	10.1	↑2.8
2/20 00:40	13.3	↑3.2
2/20 00:50	16.8	↑3.5
2/20 01:00	20.7	↑3.9
2/20 01:10	24.9	↑4.2
2/20 01:20	29.5	↑4.6
2/20 01:30	34.2	↑4.7
2/20 01:40	39.2	↑5.0
2/20 01:50	44.4	↑5.2
2/20 02:00	49.7	↑5.3
2/20 02:10	55.2	↑5.5
2/20 02:20	60.8	↑5.6
2/20 02:30	66.4	↑5.6
2/20 02:40	72.0	↑5.6
2/20 02:50	77.6	↑5.6
2/20 03:00	83.2	↑5.6
2/20 03:10	88.6	↑5.4
2/20 03:20	94.0	↑5.4
2/20 03:30	99.2	↑5.2
2/20 03:40	104.1	↑4.9
2/20 03:50	108.9	↑4.8
2/20 04:00	113.3	↑4.4
2/20 04:10	117.5	↑4.2
2/20 04:20	121.4	↑3.9
2/20 04:30	124.9	↑3.5
2/20 04:40	128.1	↑3.2
2/20 04:50	130.9	↑2.8
2/20 05:00	133.3	↑2.4
2/20 05:10	135.2	↑1.9
2/20 05:20	136.8	↑1.6
2/20 05:30	137.9	↑1.1
2/20 05:40	138.6	↑0.7
2/20 05:50	138.8	↑0.2	満潮
2/20 06:00	138.6	↓-0.2
2/20 06:10	138.0	↓-0.6
2/20 06:20	136.9	↓-1.1
2/20 06:30	135.5	↓-1.4
2/20 06:40	133.7	↓-1.8
2/20 06:50	131.4	↓-2.3
2/20 07:00	128.9	↓-2.5
2/20 07:10	126.0	↓-2.9
2/20 07:20	122.8	↓-3.2
2/20 07:30	119.3	↓-3.5
2/20 07:40	115.6	↓-3.7
2/20 07:50	111.6	↓-4.0
2/20 08:00	107.5	↓-4.1
2/20 08:10	103.2	↓-4.3
2/20 08:20	98.8	↓-4.4
2/20 08:30	94.4	↓-4.4
2/20 08:40	89.8	↓-4.6
2/20 08:50	85.3	↓-4.5
2/20 09:00	80.8	↓-4.5
2/20 09:10	76.4	↓-4.4
2/20 09:20	72.1	↓-4.3
2/20 09:30	67.9	↓-4.2
2/20 09:40	63.9	↓-4.0
2/20 09:50	60.1	↓-3.8
2/20 10:00	56.6	↓-3.5
2/20 10:10	53.3	↓-3.3
2/20 10:20	50.3	↓-3.0
2/20 10:30	47.7	↓-2.6
2/20 10:40	45.3	↓-2.4
2/20 10:50	43.4	↓-1.9
2/20 11:00	41.8	↓-1.6
2/20 11:10	40.7	↓-1.1
2/20 11:20	39.9	↓-0.8
2/20 11:30	39.5	↓-0.4	干潮
2/20 11:40	39.6	↑0.1
2/20 11:50	40.1	↑0.5
2/20 12:00	40.9	↑0.8
2/20 12:10	42.2	↑1.3
2/20 12:20	43.9	↑1.7
2/20 12:30	46.0	↑2.1
2/20 12:40	48.4	↑2.4
2/20 12:50	51.2	↑2.8
2/20 13:00	54.3	↑3.1
2/20 13:10	57.7	↑3.4
2/20 13:20	61.3	↑3.6
2/20 13:30	65.3	↑4.0
2/20 13:40	69.4	↑4.1
2/20 13:50	73.7	↑4.3
2/20 14:00	78.2	↑4.5
2/20 14:10	82.8	↑4.6
2/20 14:20	87.5	↑4.7
2/20 14:30	92.2	↑4.7
2/20 14:40	97.0	↑4.8
2/20 14:50	101.7	↑4.7
2/20 15:00	106.4	↑4.7
2/20 15:10	110.9	↑4.5
2/20 15:20	115.3	↑4.4
2/20 15:30	119.6	↑4.3
2/20 15:40	123.6	↑4.0
2/20 15:50	127.4	↑3.8
2/20 16:00	131.0	↑3.6
2/20 16:10	134.2	↑3.2
2/20 16:20	137.1	↑2.9
2/20 16:30	139.6	↑2.5
2/20 16:40	141.8	↑2.2
2/20 16:50	143.6	↑1.8
2/20 17:00	145.0	↑1.4
2/20 17:10	145.9	↑0.9
2/20 17:20	146.5	↑0.6	満潮
2/20 17:30	146.5	0
2/20 17:40	146.2	↓-0.3
2/20 17:50	145.4	↓-0.8
2/20 18:00	144.1	↓-1.3
2/20 18:10	142.4	↓-1.7
2/20 18:20	140.3	↓-2.1
2/20 18:30	137.8	↓-2.5
2/20 18:40	134.8	↓-3.0
2/20 18:50	131.5	↓-3.3
2/20 19:00	127.9	↓-3.6
2/20 19:10	123.9	↓-4.0
2/20 19:20	119.5	↓-4.4
2/20 19:30	114.9	↓-4.6
2/20 19:40	110.1	↓-4.8
2/20 19:50	105.0	↓-5.1
2/20 20:00	99.7	↓-5.3
2/20 20:10	94.3	↓-5.4
2/20 20:20	88.7	↓-5.6
2/20 20:30	83.1	↓-5.6
2/20 20:40	77.4	↓-5.7	最大潮位差
2/20 20:50	71.7	↓-5.7	最大潮位差
2/20 21:00	66.1	↓-5.6
2/20 21:10	60.5	↓-5.6
2/20 21:20	54.9	↓-5.6
2/20 21:30	49.6	↓-5.3
2/20 21:40	44.4	↓-5.2
2/20 21:50	39.4	↓-5.0
2/20 22:00	34.6	↓-4.8
2/20 22:10	30.1	↓-4.5
2/20 22:20	25.9	↓-4.2
2/20 22:30	22.1	↓-3.8
2/20 22:40	18.6	↓-3.5
2/20 22:50	15.4	↓-3.2
2/20 23:00	12.7	↓-2.7
2/20 23:10	10.4	↓-2.3
2/20 23:20	8.5	↓-1.9
2/20 23:30	7.1	↓-1.4
2/20 23:40	6.1	↓-1.0
2/20 23:50	5.5	↓-0.6	干潮