20 (木)	02:26	08:17	13:46	20:17
	112cm	70cm	106cm	41cm
若潮 出 05:04 入 18:18 出 02:27 入 14:08

白浜（千葉）2028年04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
4/20 00:00	93.3	↑2.4
4/20 00:10	95.5	↑2.2
4/20 00:20	97.7	↑2.2
4/20 00:30	99.7	↑2.0
4/20 00:40	101.6	↑1.9
4/20 00:50	103.3	↑1.7
4/20 01:00	104.9	↑1.6
4/20 01:10	106.3	↑1.4
4/20 01:20	107.6	↑1.3
4/20 01:30	108.7	↑1.1
4/20 01:40	109.6	↑0.9
4/20 01:50	110.3	↑0.7
4/20 02:00	110.9	↑0.6
4/20 02:10	111.3	↑0.4
4/20 02:20	111.5	↑0.2	満潮
4/20 02:30	111.5	0
4/20 02:40	111.3	↓-0.2
4/20 02:50	110.9	↓-0.4
4/20 03:00	110.4	↓-0.5
4/20 03:10	109.7	↓-0.7
4/20 03:20	108.9	↓-0.8
4/20 03:30	107.9	↓-1.0
4/20 03:40	106.8	↓-1.1
4/20 03:50	105.5	↓-1.3
4/20 04:00	104.1	↓-1.4
4/20 04:10	102.6	↓-1.5
4/20 04:20	101.1	↓-1.5
4/20 04:30	99.4	↓-1.7
4/20 04:40	97.7	↓-1.7
4/20 04:50	95.9	↓-1.8
4/20 05:00	94.1	↓-1.8
4/20 05:10	92.2	↓-1.9
4/20 05:20	90.4	↓-1.8
4/20 05:30	88.5	↓-1.9
4/20 05:40	86.7	↓-1.8
4/20 05:50	84.9	↓-1.8
4/20 06:00	83.2	↓-1.7
4/20 06:10	81.5	↓-1.7
4/20 06:20	79.9	↓-1.6
4/20 06:30	78.4	↓-1.5
4/20 06:40	76.9	↓-1.5
4/20 06:50	75.6	↓-1.3
4/20 07:00	74.4	↓-1.2
4/20 07:10	73.3	↓-1.1
4/20 07:20	72.4	↓-0.9
4/20 07:30	71.6	↓-0.8
4/20 07:40	71.0	↓-0.6
4/20 07:50	70.5	↓-0.5
4/20 08:00	70.1	↓-0.4
4/20 08:10	69.9	↓-0.2	干潮
4/20 08:20	69.9	0
4/20 08:30	70.1	↑0.2
4/20 08:40	70.4	↑0.3
4/20 08:50	70.8	↑0.4
4/20 09:00	71.4	↑0.6
4/20 09:10	72.2	↑0.8
4/20 09:20	73.0	↑0.8
4/20 09:30	74.1	↑1.1
4/20 09:40	75.2	↑1.1
4/20 09:50	76.4	↑1.2
4/20 10:00	77.8	↑1.4
4/20 10:10	79.2	↑1.4
4/20 10:20	80.7	↑1.5
4/20 10:30	82.3	↑1.6
4/20 10:40	84.0	↑1.7
4/20 10:50	85.6	↑1.6
4/20 11:00	87.3	↑1.7
4/20 11:10	89.0	↑1.7
4/20 11:20	90.7	↑1.7
4/20 11:30	92.4	↑1.7
4/20 11:40	94.0	↑1.6
4/20 11:50	95.6	↑1.6
4/20 12:00	97.1	↑1.5
4/20 12:10	98.5	↑1.4
4/20 12:20	99.9	↑1.4
4/20 12:30	101.1	↑1.2
4/20 12:40	102.2	↑1.1
4/20 12:50	103.2	↑1.0
4/20 13:00	104.0	↑0.8
4/20 13:10	104.7	↑0.7
4/20 13:20	105.2	↑0.5
4/20 13:30	105.5	↑0.3
4/20 13:40	105.7	↑0.2	満潮
4/20 13:50	105.7	0
4/20 14:00	105.5	↓-0.2
4/20 14:10	105.2	↓-0.3
4/20 14:20	104.6	↓-0.6
4/20 14:30	103.8	↓-0.8
4/20 14:40	102.9	↓-0.9
4/20 14:50	101.8	↓-1.1
4/20 15:00	100.5	↓-1.3
4/20 15:10	99.0	↓-1.5
4/20 15:20	97.4	↓-1.6
4/20 15:30	95.6	↓-1.8
4/20 15:40	93.7	↓-1.9
4/20 15:50	91.6	↓-2.1
4/20 16:00	89.5	↓-2.1
4/20 16:10	87.2	↓-2.3
4/20 16:20	84.8	↓-2.4
4/20 16:30	82.3	↓-2.5
4/20 16:40	79.7	↓-2.6
4/20 16:50	77.1	↓-2.6
4/20 17:00	74.5	↓-2.6
4/20 17:10	71.9	↓-2.6
4/20 17:20	69.2	↓-2.7
4/20 17:30	66.6	↓-2.6
4/20 17:40	64.0	↓-2.6
4/20 17:50	61.5	↓-2.5
4/20 18:00	59.0	↓-2.5
4/20 18:10	56.7	↓-2.3
4/20 18:20	54.4	↓-2.3
4/20 18:30	52.3	↓-2.1
4/20 18:40	50.3	↓-2.0
4/20 18:50	48.4	↓-1.9
4/20 19:00	46.7	↓-1.7
4/20 19:10	45.2	↓-1.5
4/20 19:20	43.9	↓-1.3
4/20 19:30	42.8	↓-1.1
4/20 19:40	41.8	↓-1.0
4/20 19:50	41.1	↓-0.7
4/20 20:00	40.7	↓-0.4
4/20 20:10	40.4	↓-0.3	干潮
4/20 20:20	40.4	0
4/20 20:30	40.6	↑0.2
4/20 20:40	41.0	↑0.4
4/20 20:50	41.7	↑0.7
4/20 21:00	42.6	↑0.9
4/20 21:10	43.7	↑1.1
4/20 21:20	45.1	↑1.4
4/20 21:30	46.6	↑1.5
4/20 21:40	48.4	↑1.8
4/20 21:50	50.3	↑1.9
4/20 22:00	52.4	↑2.1
4/20 22:10	54.7	↑2.3
4/20 22:20	57.2	↑2.5
4/20 22:30	59.8	↑2.6
4/20 22:40	62.5	↑2.7
4/20 22:50	65.3	↑2.8
4/20 23:00	68.1	↑2.8
4/20 23:10	71.1	↑3.0
4/20 23:20	74.1	↑3.0
4/20 23:30	77.1	↑3.0
4/20 23:40	80.2	↑3.1	最大潮位差
4/20 23:50	83.2	↑3.0