20 (金)	06:57	03:13	-	17:56
	133cm	129cm	-	61cm
長潮 出 04:59 入 18:15 出 11:14 入 01:16

千葉灯標（千葉）2040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	133.8	↓-0.1
4/20 00:10	133.7	↓-0.1
4/20 00:20	133.6	↓-0.1
4/20 00:30	133.3	↓-0.3
4/20 00:40	133.0	↓-0.3
4/20 00:50	132.7	↓-0.3
4/20 01:00	132.3	↓-0.4
4/20 01:10	131.9	↓-0.4
4/20 01:20	131.5	↓-0.4
4/20 01:30	131.2	↓-0.3
4/20 01:40	130.8	↓-0.4
4/20 01:50	130.4	↓-0.4
4/20 02:00	130.1	↓-0.3
4/20 02:10	129.8	↓-0.3
4/20 02:20	129.5	↓-0.3
4/20 02:30	129.3	↓-0.2
4/20 02:40	129.1	↓-0.2
4/20 02:50	129.0	↓-0.1
4/20 03:00	128.9	↓-0.1
4/20 03:10	128.9	0	干潮
4/20 03:20	128.9	0
4/20 03:30	129.0	↑0.1
4/20 03:40	129.0	0
4/20 03:50	129.2	↑0.2
4/20 04:00	129.3	↑0.1
4/20 04:10	129.5	↑0.2
4/20 04:20	129.8	↑0.3
4/20 04:30	130.0	↑0.2
4/20 04:40	130.2	↑0.2
4/20 04:50	130.5	↑0.3
4/20 05:00	130.7	↑0.2
4/20 05:10	131.0	↑0.3
4/20 05:20	131.2	↑0.2
4/20 05:30	131.4	↑0.2
4/20 05:40	131.6	↑0.2
4/20 05:50	131.8	↑0.2
4/20 06:00	132.0	↑0.2
4/20 06:10	132.1	↑0.1
4/20 06:20	132.2	↑0.1
4/20 06:30	132.3	↑0.1
4/20 06:40	132.4	↑0.1
4/20 06:50	132.4	0	満潮
4/20 07:00	132.4	0
4/20 07:10	132.4	0
4/20 07:20	132.3	↓-0.1
4/20 07:30	132.2	↓-0.1
4/20 07:40	132.1	↓-0.1
4/20 07:50	132.0	↓-0.1
4/20 08:00	131.8	↓-0.2
4/20 08:10	131.6	↓-0.2
4/20 08:20	131.4	↓-0.2
4/20 08:30	131.1	↓-0.3
4/20 08:40	130.8	↓-0.3
4/20 08:50	130.4	↓-0.4
4/20 09:00	130.0	↓-0.4
4/20 09:10	129.5	↓-0.5
4/20 09:20	129.0	↓-0.5
4/20 09:30	128.5	↓-0.5
4/20 09:40	127.8	↓-0.7
4/20 09:50	127.2	↓-0.6
4/20 10:00	126.4	↓-0.8
4/20 10:10	125.6	↓-0.8
4/20 10:20	124.8	↓-0.8
4/20 10:30	123.8	↓-1.0
4/20 10:40	122.8	↓-1.0
4/20 10:50	121.8	↓-1.0
4/20 11:00	120.7	↓-1.1
4/20 11:10	119.5	↓-1.2
4/20 11:20	118.3	↓-1.2
4/20 11:30	117.0	↓-1.3
4/20 11:40	115.6	↓-1.4
4/20 11:50	114.2	↓-1.4
4/20 12:00	112.8	↓-1.4
4/20 12:10	111.2	↓-1.6
4/20 12:20	109.7	↓-1.5
4/20 12:30	108.1	↓-1.6
4/20 12:40	106.5	↓-1.6
4/20 12:50	104.8	↓-1.7
4/20 13:00	103.1	↓-1.7
4/20 13:10	101.3	↓-1.8
4/20 13:20	99.6	↓-1.7
4/20 13:30	97.8	↓-1.8
4/20 13:40	95.9	↓-1.9
4/20 13:50	94.1	↓-1.8
4/20 14:00	92.2	↓-1.9
4/20 14:10	90.4	↓-1.8
4/20 14:20	88.5	↓-1.9
4/20 14:30	86.6	↓-1.9
4/20 14:40	84.7	↓-1.9
4/20 14:50	82.9	↓-1.8
4/20 15:00	81.0	↓-1.9
4/20 15:10	79.2	↓-1.8
4/20 15:20	77.5	↓-1.7
4/20 15:30	75.7	↓-1.8
4/20 15:40	74.0	↓-1.7
4/20 15:50	72.4	↓-1.6
4/20 16:00	70.9	↓-1.5
4/20 16:10	69.4	↓-1.5
4/20 16:20	68.0	↓-1.4
4/20 16:30	66.7	↓-1.3
4/20 16:40	65.5	↓-1.2
4/20 16:50	64.5	↓-1.0
4/20 17:00	63.5	↓-1.0
4/20 17:10	62.7	↓-0.8
4/20 17:20	62.1	↓-0.6
4/20 17:30	61.5	↓-0.6
4/20 17:40	61.2	↓-0.3
4/20 17:50	61.0	↓-0.2	干潮
4/20 18:00	61.0	0
4/20 18:10	61.2	↑0.2
4/20 18:20	61.6	↑0.4
4/20 18:30	62.1	↑0.5
4/20 18:40	62.9	↑0.8
4/20 18:50	63.8	↑0.9
4/20 19:00	65.0	↑1.2
4/20 19:10	66.3	↑1.3
4/20 19:20	67.8	↑1.5
4/20 19:30	69.6	↑1.8
4/20 19:40	71.4	↑1.8
4/20 19:50	73.5	↑2.1
4/20 20:00	75.7	↑2.2
4/20 20:10	78.0	↑2.3
4/20 20:20	80.5	↑2.5
4/20 20:30	83.1	↑2.6
4/20 20:40	85.7	↑2.6
4/20 20:50	88.5	↑2.8
4/20 21:00	91.3	↑2.8
4/20 21:10	94.1	↑2.8
4/20 21:20	96.9	↑2.8
4/20 21:30	99.8	↑2.9	最大潮位差
4/20 21:40	102.6	↑2.8
4/20 21:50	105.4	↑2.8
4/20 22:00	108.1	↑2.7
4/20 22:10	110.7	↑2.6
4/20 22:20	113.3	↑2.6
4/20 22:30	115.8	↑2.5
4/20 22:40	118.1	↑2.3
4/20 22:50	120.4	↑2.3
4/20 23:00	122.5	↑2.1
4/20 23:10	124.5	↑2.0
4/20 23:20	126.4	↑1.9
4/20 23:30	128.1	↑1.7
4/20 23:40	129.7	↑1.6
4/20 23:50	131.2	↑1.5