12 (木)	04:58	11:11	17:27	23:25
	170cm	22cm	173cm	43cm
大潮 出 05:14 入 18:13 出 05:42 入 18:52 潮干狩り ◎ 09:39～12:42

第一海堡（千葉）2040年04月12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
4/12 00:00	46.1	↑3.0
4/12 00:10	49.4	↑3.3
4/12 00:20	53.2	↑3.8
4/12 00:30	57.3	↑4.1
4/12 00:40	61.7	↑4.4
4/12 00:50	66.5	↑4.8
4/12 01:00	71.5	↑5.0
4/12 01:10	76.8	↑5.3
4/12 01:20	82.2	↑5.4
4/12 01:30	87.8	↑5.6
4/12 01:40	93.5	↑5.7
4/12 01:50	99.3	↑5.8
4/12 02:00	105.1	↑5.8
4/12 02:10	110.9	↑5.8
4/12 02:20	116.7	↑5.8
4/12 02:30	122.3	↑5.6
4/12 02:40	127.8	↑5.5
4/12 02:50	133.1	↑5.3
4/12 03:00	138.2	↑5.1
4/12 03:10	143.0	↑4.8
4/12 03:20	147.5	↑4.5
4/12 03:30	151.7	↑4.2
4/12 03:40	155.5	↑3.8
4/12 03:50	158.9	↑3.4
4/12 04:00	161.9	↑3.0
4/12 04:10	164.5	↑2.6
4/12 04:20	166.6	↑2.1
4/12 04:30	168.2	↑1.6
4/12 04:40	169.3	↑1.1
4/12 04:50	169.9	↑0.6	満潮
4/12 05:00	169.9	0
4/12 05:10	169.5	↓-0.4
4/12 05:20	168.6	↓-0.9
4/12 05:30	167.1	↓-1.5
4/12 05:40	165.2	↓-1.9
4/12 05:50	162.7	↓-2.5
4/12 06:00	159.8	↓-2.9
4/12 06:10	156.4	↓-3.4
4/12 06:20	152.7	↓-3.7
4/12 06:30	148.5	↓-4.2
4/12 06:40	143.9	↓-4.6
4/12 06:50	139.0	↓-4.9
4/12 07:00	133.8	↓-5.2
4/12 07:10	128.3	↓-5.5
4/12 07:20	122.6	↓-5.7
4/12 07:30	116.6	↓-6.0
4/12 07:40	110.6	↓-6.0
4/12 07:50	104.4	↓-6.2
4/12 08:00	98.2	↓-6.2
4/12 08:10	91.9	↓-6.3
4/12 08:20	85.7	↓-6.2
4/12 08:30	79.5	↓-6.2
4/12 08:40	73.5	↓-6.0
4/12 08:50	67.6	↓-5.9
4/12 09:00	61.9	↓-5.7
4/12 09:10	56.4	↓-5.5
4/12 09:20	51.2	↓-5.2
4/12 09:30	46.4	↓-4.8
4/12 09:40	41.8	↓-4.6
4/12 09:50	37.7	↓-4.1
4/12 10:00	34.0	↓-3.7
4/12 10:10	30.7	↓-3.3
4/12 10:20	27.9	↓-2.8
4/12 10:30	25.6	↓-2.3
4/12 10:40	23.7	↓-1.9
4/12 10:50	22.4	↓-1.3
4/12 11:00	21.6	↓-0.8
4/12 11:10	21.3	↓-0.3	干潮
4/12 11:20	21.6	↑0.3
4/12 11:30	22.4	↑0.8
4/12 11:40	23.7	↑1.3
4/12 11:50	25.5	↑1.8
4/12 12:00	27.9	↑2.4
4/12 12:10	30.7	↑2.8
4/12 12:20	34.0	↑3.3
4/12 12:30	37.7	↑3.7
4/12 12:40	41.8	↑4.1
4/12 12:50	46.4	↑4.6
4/12 13:00	51.2	↑4.8
4/12 13:10	56.5	↑5.3
4/12 13:20	61.9	↑5.4
4/12 13:30	67.7	↑5.8
4/12 13:40	73.6	↑5.9
4/12 13:50	79.7	↑6.1
4/12 14:00	85.9	↑6.2
4/12 14:10	92.2	↑6.3
4/12 14:20	98.6	↑6.4	最大潮位差
4/12 14:30	104.9	↑6.3
4/12 14:40	111.1	↑6.2
4/12 14:50	117.3	↑6.2
4/12 15:00	123.3	↑6.0
4/12 15:10	129.1	↑5.8
4/12 15:20	134.7	↑5.6
4/12 15:30	140.1	↑5.4
4/12 15:40	145.1	↑5.0
4/12 15:50	149.8	↑4.7
4/12 16:00	154.1	↑4.3
4/12 16:10	158.0	↑3.9
4/12 16:20	161.5	↑3.5
4/12 16:30	164.6	↑3.1
4/12 16:40	167.2	↑2.6
4/12 16:50	169.3	↑2.1
4/12 17:00	170.9	↑1.6
4/12 17:10	172.0	↑1.1
4/12 17:20	172.5	↑0.5	満潮
4/12 17:30	172.6	↑0.1
4/12 17:40	172.1	↓-0.5
4/12 17:50	171.2	↓-0.9
4/12 18:00	169.7	↓-1.5
4/12 18:10	167.8	↓-1.9
4/12 18:20	165.4	↓-2.4
4/12 18:30	162.5	↓-2.9
4/12 18:40	159.3	↓-3.2
4/12 18:50	155.6	↓-3.7
4/12 19:00	151.5	↓-4.1
4/12 19:10	147.2	↓-4.3
4/12 19:20	142.5	↓-4.7
4/12 19:30	137.5	↓-5.0
4/12 19:40	132.4	↓-5.1
4/12 19:50	127.0	↓-5.4
4/12 20:00	121.5	↓-5.5
4/12 20:10	115.9	↓-5.6
4/12 20:20	110.2	↓-5.7
4/12 20:30	104.5	↓-5.7
4/12 20:40	98.8	↓-5.7
4/12 20:50	93.2	↓-5.6
4/12 21:00	87.7	↓-5.5
4/12 21:10	82.4	↓-5.3
4/12 21:20	77.3	↓-5.1
4/12 21:30	72.4	↓-4.9
4/12 21:40	67.7	↓-4.7
4/12 21:50	63.4	↓-4.3
4/12 22:00	59.4	↓-4.0
4/12 22:10	55.8	↓-3.6
4/12 22:20	52.6	↓-3.2
4/12 22:30	49.8	↓-2.8
4/12 22:40	47.4	↓-2.4
4/12 22:50	45.5	↓-1.9
4/12 23:00	44.1	↓-1.4
4/12 23:10	43.2	↓-0.9
4/12 23:20	42.7	↓-0.5	干潮
4/12 23:30	42.8	↑0.1
4/12 23:40	43.3	↑0.5
4/12 23:50	44.3	↑1.0