20 (土)	08:02	02:24	21:15	14:34
	188cm	68cm	196cm	-1cm
中潮 出 05:36 入 18:45 出 21:27 入 06:48 潮干狩り ◎ 12:24～16:43

日振島（愛媛）2030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	113.9	↓-5.8
4/20 00:10	108.3	↓-5.6
4/20 00:20	102.9	↓-5.4
4/20 00:30	97.8	↓-5.1
4/20 00:40	92.9	↓-4.9
4/20 00:50	88.4	↓-4.5
4/20 01:00	84.3	↓-4.1
4/20 01:10	80.5	↓-3.8
4/20 01:20	77.1	↓-3.4
4/20 01:30	74.2	↓-2.9
4/20 01:40	71.8	↓-2.4
4/20 01:50	69.9	↓-1.9
4/20 02:00	68.4	↓-1.5
4/20 02:10	67.5	↓-0.9
4/20 02:20	67.1	↓-0.4	干潮
4/20 02:30	67.2	↑0.1
4/20 02:40	67.8	↑0.6
4/20 02:50	68.9	↑1.1
4/20 03:00	70.5	↑1.6
4/20 03:10	72.6	↑2.1
4/20 03:20	75.2	↑2.6
4/20 03:30	78.2	↑3.0
4/20 03:40	81.6	↑3.4
4/20 03:50	85.4	↑3.8
4/20 04:00	89.6	↑4.2
4/20 04:10	94.1	↑4.5
4/20 04:20	98.8	↑4.7
4/20 04:30	103.9	↑5.1
4/20 04:40	109.1	↑5.2
4/20 04:50	114.4	↑5.3
4/20 05:00	119.9	↑5.5
4/20 05:10	125.5	↑5.6
4/20 05:20	131.1	↑5.6
4/20 05:30	136.6	↑5.5
4/20 05:40	142.1	↑5.5
4/20 05:50	147.4	↑5.3
4/20 06:00	152.6	↑5.2
4/20 06:10	157.6	↑5.0
4/20 06:20	162.3	↑4.7
4/20 06:30	166.8	↑4.5
4/20 06:40	170.9	↑4.1
4/20 06:50	174.6	↑3.7
4/20 07:00	177.9	↑3.3
4/20 07:10	180.8	↑2.9
4/20 07:20	183.2	↑2.4
4/20 07:30	185.2	↑2.0
4/20 07:40	186.6	↑1.4
4/20 07:50	187.5	↑0.9
4/20 08:00	187.8	↑0.3	満潮
4/20 08:10	187.6	↓-0.2
4/20 08:20	186.8	↓-0.8
4/20 08:30	185.4	↓-1.4
4/20 08:40	183.5	↓-1.9
4/20 08:50	181.1	↓-2.4
4/20 09:00	178.1	↓-3.0
4/20 09:10	174.5	↓-3.6
4/20 09:20	170.4	↓-4.1
4/20 09:30	165.9	↓-4.5
4/20 09:40	160.9	↓-5.0
4/20 09:50	155.4	↓-5.5
4/20 10:00	149.6	↓-5.8
4/20 10:10	143.3	↓-6.3
4/20 10:20	136.8	↓-6.5
4/20 10:30	129.9	↓-6.9
4/20 10:40	122.9	↓-7.0
4/20 10:50	115.6	↓-7.3
4/20 11:00	108.1	↓-7.5
4/20 11:10	100.6	↓-7.5
4/20 11:20	93.0	↓-7.6
4/20 11:30	85.4	↓-7.6
4/20 11:40	77.8	↓-7.6
4/20 11:50	70.3	↓-7.5
4/20 12:00	63.0	↓-7.3
4/20 12:10	55.8	↓-7.2
4/20 12:20	48.9	↓-6.9
4/20 12:30	42.3	↓-6.6
4/20 12:40	36.0	↓-6.3
4/20 12:50	30.1	↓-5.9
4/20 13:00	24.6	↓-5.5
4/20 13:10	19.6	↓-5.0
4/20 13:20	15.0	↓-4.6
4/20 13:30	10.9	↓-4.1
4/20 13:40	7.4	↓-3.5
4/20 13:50	4.5	↓-2.9
4/20 14:00	2.1	↓-2.4
4/20 14:10	0.3	↓-1.8
4/20 14:20	-0.8	↓-1.1
4/20 14:30	-1.3	↓-0.5	干潮
4/20 14:40	-1.2	↑0.1
4/20 14:50	-0.5	↑0.7
4/20 15:00	0.9	↑1.4
4/20 15:10	2.8	↑1.9
4/20 15:20	5.4	↑2.6
4/20 15:30	8.6	↑3.2
4/20 15:40	12.3	↑3.7
4/20 15:50	16.5	↑4.2
4/20 16:00	21.3	↑4.8
4/20 16:10	26.5	↑5.2
4/20 16:20	32.2	↑5.7
4/20 16:30	38.3	↑6.1
4/20 16:40	44.8	↑6.5
4/20 16:50	51.6	↑6.8
4/20 17:00	58.7	↑7.1
4/20 17:10	66.0	↑7.3
4/20 17:20	73.5	↑7.5
4/20 17:30	81.2	↑7.7
4/20 17:40	88.9	↑7.7
4/20 17:50	96.7	↑7.8	最大潮位差
4/20 18:00	104.5	↑7.8	最大潮位差
4/20 18:10	112.2	↑7.7
4/20 18:20	119.9	↑7.7
4/20 18:30	127.3	↑7.4
4/20 18:40	134.6	↑7.3
4/20 18:50	141.6	↑7.0
4/20 19:00	148.4	↑6.8
4/20 19:10	154.8	↑6.4
4/20 19:20	160.9	↑6.1
4/20 19:30	166.5	↑5.6
4/20 19:40	171.8	↑5.3
4/20 19:50	176.5	↑4.7
4/20 20:00	180.8	↑4.3
4/20 20:10	184.6	↑3.8
4/20 20:20	187.8	↑3.2
4/20 20:30	190.5	↑2.7
4/20 20:40	192.7	↑2.2
4/20 20:50	194.3	↑1.6
4/20 21:00	195.4	↑1.1
4/20 21:10	195.9	↑0.5	満潮
4/20 21:20	195.8	↓-0.1
4/20 21:30	195.2	↓-0.6
4/20 21:40	194.1	↓-1.1
4/20 21:50	192.4	↓-1.7
4/20 22:00	190.3	↓-2.1
4/20 22:10	187.7	↓-2.6
4/20 22:20	184.7	↓-3.0
4/20 22:30	181.2	↓-3.5
4/20 22:40	177.4	↓-3.8
4/20 22:50	173.2	↓-4.2
4/20 23:00	168.8	↓-4.4
4/20 23:10	164.0	↓-4.8
4/20 23:20	159.1	↓-4.9
4/20 23:30	153.9	↓-5.2
4/20 23:40	148.6	↓-5.3
4/20 23:50	143.3	↓-5.3