09 (土)	05:06	11:17	17:30	23:31
	170cm	25cm	173cm	39cm
大潮 出 05:18 入 18:10 出 18:20 入 05:31 潮干狩り ○ 09:51～12:42

第一海堡（千葉）2039年04月09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
4/9 00:00	40.4	↑2.7
4/9 00:10	43.6	↑3.2
4/9 00:20	47.1	↑3.5
4/9 00:30	51.1	↑4.0
4/9 00:40	55.4	↑4.3
4/9 00:50	60.1	↑4.7
4/9 01:00	65.1	↑5.0
4/9 01:10	70.3	↑5.2
4/9 01:20	75.7	↑5.4
4/9 01:30	81.4	↑5.7
4/9 01:40	87.1	↑5.7
4/9 01:50	93.0	↑5.9
4/9 02:00	98.9	↑5.9
4/9 02:10	104.9	↑6.0
4/9 02:20	110.8	↑5.9
4/9 02:30	116.6	↑5.8
4/9 02:40	122.4	↑5.8
4/9 02:50	127.9	↑5.5
4/9 03:00	133.3	↑5.4
4/9 03:10	138.4	↑5.1
4/9 03:20	143.3	↑4.9
4/9 03:30	147.8	↑4.5
4/9 03:40	152.0	↑4.2
4/9 03:50	155.8	↑3.8
4/9 04:00	159.2	↑3.4
4/9 04:10	162.2	↑3.0
4/9 04:20	164.7	↑2.5
4/9 04:30	166.7	↑2.0
4/9 04:40	168.3	↑1.6
4/9 04:50	169.3	↑1.0
4/9 05:00	169.9	↑0.6	満潮
4/9 05:10	169.9	0
4/9 05:20	169.4	↓-0.5
4/9 05:30	168.4	↓-1.0
4/9 05:40	166.8	↓-1.6
4/9 05:50	164.8	↓-2.0
4/9 06:00	162.3	↓-2.5
4/9 06:10	159.3	↓-3.0
4/9 06:20	155.9	↓-3.4
4/9 06:30	152.1	↓-3.8
4/9 06:40	147.8	↓-4.3
4/9 06:50	143.2	↓-4.6
4/9 07:00	138.3	↓-4.9
4/9 07:10	133.1	↓-5.2
4/9 07:20	127.6	↓-5.5
4/9 07:30	121.9	↓-5.7
4/9 07:40	116.0	↓-5.9
4/9 07:50	109.9	↓-6.1
4/9 08:00	103.8	↓-6.1
4/9 08:10	97.6	↓-6.2
4/9 08:20	91.5	↓-6.1
4/9 08:30	85.3	↓-6.2
4/9 08:40	79.3	↓-6.0
4/9 08:50	73.3	↓-6.0
4/9 09:00	67.6	↓-5.7
4/9 09:10	62.0	↓-5.6
4/9 09:20	56.7	↓-5.3
4/9 09:30	51.7	↓-5.0
4/9 09:40	47.0	↓-4.7
4/9 09:50	42.7	↓-4.3
4/9 10:00	38.7	↓-4.0
4/9 10:10	35.2	↓-3.5
4/9 10:20	32.2	↓-3.0
4/9 10:30	29.5	↓-2.7
4/9 10:40	27.4	↓-2.1
4/9 10:50	25.8	↓-1.6
4/9 11:00	24.7	↓-1.1
4/9 11:10	24.1	↓-0.6	干潮
4/9 11:20	24.1	0
4/9 11:30	24.6	↑0.5
4/9 11:40	25.6	↑1.0
4/9 11:50	27.1	↑1.5
4/9 12:00	29.1	↑2.0
4/9 12:10	31.6	↑2.5
4/9 12:20	34.6	↑3.0
4/9 12:30	38.1	↑3.5
4/9 12:40	41.9	↑3.8
4/9 12:50	46.2	↑4.3
4/9 13:00	50.8	↑4.6
4/9 13:10	55.8	↑5.0
4/9 13:20	61.1	↑5.3
4/9 13:30	66.7	↑5.6
4/9 13:40	72.4	↑5.7
4/9 13:50	78.4	↑6.0
4/9 14:00	84.5	↑6.1
4/9 14:10	90.7	↑6.2
4/9 14:20	96.9	↑6.2
4/9 14:30	103.2	↑6.3	最大潮位差
4/9 14:40	109.4	↑6.2
4/9 14:50	115.6	↑6.2
4/9 15:00	121.6	↑6.0
4/9 15:10	127.4	↑5.8
4/9 15:20	133.1	↑5.7
4/9 15:30	138.5	↑5.4
4/9 15:40	143.6	↑5.1
4/9 15:50	148.4	↑4.8
4/9 16:00	152.8	↑4.4
4/9 16:10	156.8	↑4.0
4/9 16:20	160.5	↑3.7
4/9 16:30	163.7	↑3.2
4/9 16:40	166.4	↑2.7
4/9 16:50	168.7	↑2.3
4/9 17:00	170.4	↑1.7
4/9 17:10	171.7	↑1.3
4/9 17:20	172.4	↑0.7	満潮
4/9 17:30	172.6	↑0.2	満潮
4/9 17:40	172.3	↓-0.3
4/9 17:50	171.5	↓-0.8
4/9 18:00	170.2	↓-1.3
4/9 18:10	168.4	↓-1.8
4/9 18:20	166.1	↓-2.3
4/9 18:30	163.4	↓-2.7
4/9 18:40	160.2	↓-3.2
4/9 18:50	156.6	↓-3.6
4/9 19:00	152.6	↓-4.0
4/9 19:10	148.3	↓-4.3
4/9 19:20	143.6	↓-4.7
4/9 19:30	138.6	↓-5.0
4/9 19:40	133.4	↓-5.2
4/9 19:50	128.0	↓-5.4
4/9 20:00	122.4	↓-5.6
4/9 20:10	116.7	↓-5.7
4/9 20:20	110.9	↓-5.8
4/9 20:30	105.1	↓-5.8
4/9 20:40	99.3	↓-5.8
4/9 20:50	93.5	↓-5.8
4/9 21:00	87.8	↓-5.7
4/9 21:10	82.3	↓-5.5
4/9 21:20	76.9	↓-5.4
4/9 21:30	71.7	↓-5.2
4/9 21:40	66.8	↓-4.9
4/9 21:50	62.2	↓-4.6
4/9 22:00	57.9	↓-4.3
4/9 22:10	54.0	↓-3.9
4/9 22:20	50.5	↓-3.5
4/9 22:30	47.3	↓-3.2
4/9 22:40	44.6	↓-2.7
4/9 22:50	42.4	↓-2.2
4/9 23:00	40.6	↓-1.8
4/9 23:10	39.4	↓-1.2
4/9 23:20	38.6	↓-0.8
4/9 23:30	38.3	↓-0.3	干潮
4/9 23:40	38.6	↑0.3
4/9 23:50	39.3	↑0.7