20 (木)	02:16	08:20	14:03	20:12
	113cm	61cm	103cm	47cm
若潮 出 05:04 入 18:18 出 02:27 入 14:08

布良（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	96.1	↑2.2
4/20 00:10	98.2	↑2.1
4/20 00:20	100.3	↑2.1
4/20 00:30	102.2	↑1.9
4/20 00:40	103.9	↑1.7
4/20 00:50	105.5	↑1.6
4/20 01:00	107.0	↑1.5
4/20 01:10	108.3	↑1.3
4/20 01:20	109.5	↑1.2
4/20 01:30	110.4	↑0.9
4/20 01:40	111.2	↑0.8
4/20 01:50	111.8	↑0.6
4/20 02:00	112.2	↑0.4
4/20 02:10	112.4	↑0.2	満潮
4/20 02:20	112.4	0
4/20 02:30	112.2	↓-0.2
4/20 02:40	111.9	↓-0.3
4/20 02:50	111.3	↓-0.6
4/20 03:00	110.5	↓-0.8
4/20 03:10	109.6	↓-0.9
4/20 03:20	108.5	↓-1.1
4/20 03:30	107.2	↓-1.3
4/20 03:40	105.8	↓-1.4
4/20 03:50	104.2	↓-1.6
4/20 04:00	102.5	↓-1.7
4/20 04:10	100.7	↓-1.8
4/20 04:20	98.7	↓-2.0
4/20 04:30	96.7	↓-2.0
4/20 04:40	94.6	↓-2.1
4/20 04:50	92.5	↓-2.1
4/20 05:00	90.3	↓-2.2
4/20 05:10	88.0	↓-2.3
4/20 05:20	85.8	↓-2.2
4/20 05:30	83.6	↓-2.2
4/20 05:40	81.3	↓-2.3
4/20 05:50	79.2	↓-2.1
4/20 06:00	77.0	↓-2.2
4/20 06:10	75.0	↓-2.0
4/20 06:20	73.0	↓-2.0
4/20 06:30	71.1	↓-1.9
4/20 06:40	69.4	↓-1.7
4/20 06:50	67.7	↓-1.7
4/20 07:00	66.2	↓-1.5
4/20 07:10	64.9	↓-1.3
4/20 07:20	63.7	↓-1.2
4/20 07:30	62.7	↓-1.0
4/20 07:40	61.9	↓-0.8
4/20 07:50	61.3	↓-0.6
4/20 08:00	60.8	↓-0.5
4/20 08:10	60.5	↓-0.3	干潮
4/20 08:20	60.5	0	干潮
4/20 08:30	60.6	↑0.1
4/20 08:40	60.9	↑0.3
4/20 08:50	61.4	↑0.5
4/20 09:00	62.0	↑0.6
4/20 09:10	62.9	↑0.9
4/20 09:20	63.8	↑0.9
4/20 09:30	65.0	↑1.2
4/20 09:40	66.2	↑1.2
4/20 09:50	67.6	↑1.4
4/20 10:00	69.1	↑1.5
4/20 10:10	70.7	↑1.6
4/20 10:20	72.4	↑1.7
4/20 10:30	74.2	↑1.8
4/20 10:40	76.0	↑1.8
4/20 10:50	77.9	↑1.9
4/20 11:00	79.8	↑1.9
4/20 11:10	81.7	↑1.9
4/20 11:20	83.6	↑1.9
4/20 11:30	85.5	↑1.9
4/20 11:40	87.3	↑1.8
4/20 11:50	89.2	↑1.9
4/20 12:00	90.9	↑1.7
4/20 12:10	92.6	↑1.7
4/20 12:20	94.2	↑1.6
4/20 12:30	95.7	↑1.5
4/20 12:40	97.1	↑1.4
4/20 12:50	98.4	↑1.3
4/20 13:00	99.5	↑1.1
4/20 13:10	100.5	↑1.0
4/20 13:20	101.3	↑0.8
4/20 13:30	102.0	↑0.7
4/20 13:40	102.5	↑0.5
4/20 13:50	102.8	↑0.3
4/20 14:00	102.9	↑0.1	満潮
4/20 14:10	102.9	0
4/20 14:20	102.6	↓-0.3
4/20 14:30	102.2	↓-0.4
4/20 14:40	101.6	↓-0.6
4/20 14:50	100.8	↓-0.8
4/20 15:00	99.8	↓-1.0
4/20 15:10	98.7	↓-1.1
4/20 15:20	97.4	↓-1.3
4/20 15:30	95.9	↓-1.5
4/20 15:40	94.3	↓-1.6
4/20 15:50	92.5	↓-1.8
4/20 16:00	90.6	↓-1.9
4/20 16:10	88.6	↓-2.0
4/20 16:20	86.5	↓-2.1
4/20 16:30	84.4	↓-2.1
4/20 16:40	82.1	↓-2.3
4/20 16:50	79.8	↓-2.3
4/20 17:00	77.4	↓-2.4
4/20 17:10	75.1	↓-2.3
4/20 17:20	72.7	↓-2.4
4/20 17:30	70.3	↓-2.4
4/20 17:40	67.9	↓-2.4
4/20 17:50	65.6	↓-2.3
4/20 18:00	63.4	↓-2.2
4/20 18:10	61.2	↓-2.2
4/20 18:20	59.1	↓-2.1
4/20 18:30	57.2	↓-1.9
4/20 18:40	55.3	↓-1.9
4/20 18:50	53.7	↓-1.6
4/20 19:00	52.1	↓-1.6
4/20 19:10	50.8	↓-1.3
4/20 19:20	49.6	↓-1.2
4/20 19:30	48.6	↓-1.0
4/20 19:40	47.8	↓-0.8
4/20 19:50	47.3	↓-0.5
4/20 20:00	46.9	↓-0.4
4/20 20:10	46.8	↓-0.1	干潮
4/20 20:20	46.9	↑0.1
4/20 20:30	47.2	↑0.3
4/20 20:40	47.8	↑0.6
4/20 20:50	48.5	↑0.7
4/20 21:00	49.5	↑1.0
4/20 21:10	50.8	↑1.3
4/20 21:20	52.2	↑1.4
4/20 21:30	53.8	↑1.6
4/20 21:40	55.6	↑1.8
4/20 21:50	57.5	↑1.9
4/20 22:00	59.7	↑2.2
4/20 22:10	61.9	↑2.2
4/20 22:20	64.3	↑2.4
4/20 22:30	66.8	↑2.5
4/20 22:40	69.5	↑2.7
4/20 22:50	72.2	↑2.7
4/20 23:00	74.9	↑2.7
4/20 23:10	77.7	↑2.8
4/20 23:20	80.6	↑2.9	最大潮位差
4/20 23:30	83.5	↑2.9	最大潮位差
4/20 23:40	86.3	↑2.8
4/20 23:50	89.2	↑2.9	最大潮位差