20 (土)	04:29	11:28	18:22	23:27
	135cm	-4cm	123cm	74cm
中潮 出 04:59 入 18:15 出 20:58 入 06:07 潮干狩り ◎ 09:02～13:56

犬吠埼（千葉）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	72.9	↑1.5
4/20 00:10	74.7	↑1.8
4/20 00:20	76.8	↑2.1
4/20 00:30	79.0	↑2.2
4/20 00:40	81.4	↑2.4
4/20 00:50	84.0	↑2.6
4/20 01:00	86.8	↑2.8
4/20 01:10	89.7	↑2.9
4/20 01:20	92.7	↑3.0
4/20 01:30	95.7	↑3.0
4/20 01:40	98.8	↑3.1
4/20 01:50	101.9	↑3.1
4/20 02:00	105.1	↑3.2
4/20 02:10	108.2	↑3.1
4/20 02:20	111.2	↑3.0
4/20 02:30	114.2	↑3.0
4/20 02:40	117.0	↑2.8
4/20 02:50	119.7	↑2.7
4/20 03:00	122.2	↑2.5
4/20 03:10	124.6	↑2.4
4/20 03:20	126.7	↑2.1
4/20 03:30	128.6	↑1.9
4/20 03:40	130.2	↑1.6
4/20 03:50	131.6	↑1.4
4/20 04:00	132.7	↑1.1
4/20 04:10	133.4	↑0.7
4/20 04:20	133.9	↑0.5	満潮
4/20 04:30	134.0	↑0.1
4/20 04:40	133.8	↓-0.2
4/20 04:50	133.2	↓-0.6
4/20 05:00	132.3	↓-0.9
4/20 05:10	131.0	↓-1.3
4/20 05:20	129.4	↓-1.6
4/20 05:30	127.4	↓-2.0
4/20 05:40	125.1	↓-2.3
4/20 05:50	122.4	↓-2.7
4/20 06:00	119.4	↓-3.0
4/20 06:10	116.2	↓-3.2
4/20 06:20	112.6	↓-3.6
4/20 06:30	108.7	↓-3.9
4/20 06:40	104.6	↓-4.1
4/20 06:50	100.3	↓-4.3
4/20 07:00	95.7	↓-4.6
4/20 07:10	91.0	↓-4.7
4/20 07:20	86.1	↓-4.9
4/20 07:30	81.1	↓-5.0
4/20 07:40	76.0	↓-5.1
4/20 07:50	70.8	↓-5.2
4/20 08:00	65.5	↓-5.3	最大潮位差
4/20 08:10	60.3	↓-5.2
4/20 08:20	55.0	↓-5.3	最大潮位差
4/20 08:30	49.8	↓-5.2
4/20 08:40	44.7	↓-5.1
4/20 08:50	39.8	↓-4.9
4/20 09:00	34.9	↓-4.9
4/20 09:10	30.2	↓-4.7
4/20 09:20	25.8	↓-4.4
4/20 09:30	21.5	↓-4.3
4/20 09:40	17.5	↓-4.0
4/20 09:50	13.8	↓-3.7
4/20 10:00	10.4	↓-3.4
4/20 10:10	7.3	↓-3.1
4/20 10:20	4.5	↓-2.8
4/20 10:30	2.1	↓-2.4
4/20 10:40	0.0	↓-2.1
4/20 10:50	-1.6	0
4/20 11:00	-2.9	↓-1.3
4/20 11:10	-3.8	↓-0.9
4/20 11:20	-4.3	↓-0.5	干潮
4/20 11:30	-4.4	↓-0.1
4/20 11:40	-4.0	↑0.4
4/20 11:50	-3.3	↑0.7
4/20 12:00	-2.2	↑1.1
4/20 12:10	-0.7	↑1.5
4/20 12:20	1.2	↑1.9
4/20 12:30	3.4	↑2.2
4/20 12:40	5.9	↑2.5
4/20 12:50	8.8	↑2.9
4/20 13:00	12.0	↑3.2
4/20 13:10	15.5	↑3.5
4/20 13:20	19.3	↑3.8
4/20 13:30	23.3	↑4.0
4/20 13:40	27.5	↑4.2
4/20 13:50	31.9	↑4.4
4/20 14:00	36.4	↑4.5
4/20 14:10	41.1	↑4.7
4/20 14:20	45.9	↑4.8
4/20 14:30	50.7	↑4.8
4/20 14:40	55.6	↑4.9
4/20 14:50	60.5	↑4.9
4/20 15:00	65.4	↑4.9
4/20 15:10	70.2	↑4.8
4/20 15:20	74.9	↑4.7
4/20 15:30	79.6	↑4.7
4/20 15:40	84.1	↑4.5
4/20 15:50	88.4	↑4.3
4/20 16:00	92.6	↑4.2
4/20 16:10	96.6	↑4.0
4/20 16:20	100.3	↑3.7
4/20 16:30	103.8	↑3.5
4/20 16:40	107.0	↑3.2
4/20 16:50	110.0	↑3.0
4/20 17:00	112.6	↑2.6
4/20 17:10	115.0	↑2.4
4/20 17:20	117.1	↑2.1
4/20 17:30	118.8	↑1.7
4/20 17:40	120.2	↑1.4
4/20 17:50	121.3	↑1.1
4/20 18:00	122.1	↑0.8
4/20 18:10	122.6	↑0.5
4/20 18:20	122.8	↑0.2	満潮
4/20 18:30	122.7	↓-0.1
4/20 18:40	122.2	↓-0.5
4/20 18:50	121.5	↓-0.7
4/20 19:00	120.6	↓-0.9
4/20 19:10	119.4	↓-1.2
4/20 19:20	117.9	↓-1.5
4/20 19:30	116.3	↓-1.6
4/20 19:40	114.4	↓-1.9
4/20 19:50	112.4	↓-2.0
4/20 20:00	110.3	↓-2.1
4/20 20:10	108.0	↓-2.3
4/20 20:20	105.6	↓-2.4
4/20 20:30	103.2	↓-2.4
4/20 20:40	100.7	↓-2.5
4/20 20:50	98.2	↓-2.5
4/20 21:00	95.7	↓-2.5
4/20 21:10	93.2	↓-2.5
4/20 21:20	90.8	↓-2.4
4/20 21:30	88.4	↓-2.4
4/20 21:40	86.2	↓-2.2
4/20 21:50	84.1	↓-2.1
4/20 22:00	82.1	↓-2.0
4/20 22:10	80.3	↓-1.8
4/20 22:20	78.7	↓-1.6
4/20 22:30	77.2	↓-1.5
4/20 22:40	76.0	↓-1.2
4/20 22:50	75.0	↓-1.0
4/20 23:00	74.2	↓-0.8
4/20 23:10	73.7	↓-0.5
4/20 23:20	73.4	↓-0.3	干潮
4/20 23:30	73.4	0
4/20 23:40	73.6	↑0.2
4/20 23:50	74.1	↑0.5