20 (土)	07:12	01:56	21:07	14:06
	160cm	103cm	164cm	32cm
中潮 出 04:27 入 19:00 出 09:55 入 22:58 潮干狩り ○ 12:48～15:23

第一海堡（千葉）2026年06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
6/20 00:00	119.7	↓-2.8
6/20 00:10	117.2	↓-2.5
6/20 00:20	114.7	↓-2.5
6/20 00:30	112.5	↓-2.2
6/20 00:40	110.5	↓-2.0
6/20 00:50	108.7	↓-1.8
6/20 01:00	107.1	↓-1.6
6/20 01:10	105.7	↓-1.4
6/20 01:20	104.7	↓-1.0
6/20 01:30	103.8	↓-0.9
6/20 01:40	103.3	↓-0.5
6/20 01:50	103.0	↓-0.3	干潮
6/20 02:00	103.0	0
6/20 02:10	103.2	↑0.2
6/20 02:20	103.8	↑0.6
6/20 02:30	104.6	↑0.8
6/20 02:40	105.6	↑1.0
6/20 02:50	106.9	↑1.3
6/20 03:00	108.4	↑1.5
6/20 03:10	110.2	↑1.8
6/20 03:20	112.1	↑1.9
6/20 03:30	114.2	↑2.1
6/20 03:40	116.5	↑2.3
6/20 03:50	118.9	↑2.4
6/20 04:00	121.4	↑2.5
6/20 04:10	124.1	↑2.7
6/20 04:20	126.8	↑2.7
6/20 04:30	129.5	↑2.7
6/20 04:40	132.3	↑2.8
6/20 04:50	135.0	↑2.7
6/20 05:00	137.8	↑2.8
6/20 05:10	140.4	↑2.6
6/20 05:20	143.0	↑2.6
6/20 05:30	145.5	↑2.5
6/20 05:40	147.8	↑2.3
6/20 05:50	150.0	↑2.2
6/20 06:00	152.0	↑2.0
6/20 06:10	153.7	↑1.7
6/20 06:20	155.3	↑1.6
6/20 06:30	156.6	↑1.3
6/20 06:40	157.6	↑1.0
6/20 06:50	158.4	↑0.8
6/20 07:00	158.9	↑0.5
6/20 07:10	159.1	↑0.2	満潮
6/20 07:20	158.9	↓-0.2
6/20 07:30	158.5	↓-0.4
6/20 07:40	157.7	↓-0.8
6/20 07:50	156.6	↓-1.1
6/20 08:00	155.2	↓-1.4
6/20 08:10	153.4	↓-1.8
6/20 08:20	151.3	↓-2.1
6/20 08:30	149.0	↓-2.3
6/20 08:40	146.3	↓-2.7
6/20 08:50	143.3	↓-3.0
6/20 09:00	140.0	↓-3.3
6/20 09:10	136.5	↓-3.5
6/20 09:20	132.7	↓-3.8
6/20 09:30	128.7	↓-4.0
6/20 09:40	124.5	↓-4.2
6/20 09:50	120.1	↓-4.4
6/20 10:00	115.6	↓-4.5
6/20 10:10	110.9	↓-4.7
6/20 10:20	106.2	↓-4.7
6/20 10:30	101.3	↓-4.9
6/20 10:40	96.5	↓-4.8
6/20 10:50	91.5	↓-5.0
6/20 11:00	86.6	↓-4.9
6/20 11:10	81.8	↓-4.8
6/20 11:20	77.0	↓-4.8
6/20 11:30	72.3	↓-4.7
6/20 11:40	67.8	↓-4.5
6/20 11:50	63.4	↓-4.4
6/20 12:00	59.2	↓-4.2
6/20 12:10	55.2	↓-4.0
6/20 12:20	51.4	↓-3.8
6/20 12:30	47.9	↓-3.5
6/20 12:40	44.7	↓-3.2
6/20 12:50	41.8	↓-2.9
6/20 13:00	39.2	↓-2.6
6/20 13:10	36.9	↓-2.3
6/20 13:20	35.0	↓-1.9
6/20 13:30	33.5	↓-1.5
6/20 13:40	32.3	↓-1.2
6/20 13:50	31.5	↓-0.8
6/20 14:00	31.1	↓-0.4	干潮
6/20 14:10	31.1	0
6/20 14:20	31.5	↑0.4
6/20 14:30	32.3	↑0.8
6/20 14:40	33.4	↑1.1
6/20 14:50	34.9	↑1.5
6/20 15:00	36.8	↑1.9
6/20 15:10	39.1	↑2.3
6/20 15:20	41.7	↑2.6
6/20 15:30	44.6	↑2.9
6/20 15:40	47.8	↑3.2
6/20 15:50	51.4	↑3.6
6/20 16:00	55.1	↑3.7
6/20 16:10	59.2	↑4.1
6/20 16:20	63.4	↑4.2
6/20 16:30	67.9	↑4.5
6/20 16:40	72.5	↑4.6
6/20 16:50	77.2	↑4.7
6/20 17:00	82.1	↑4.9
6/20 17:10	87.0	↑4.9
6/20 17:20	92.0	↑5.0
6/20 17:30	97.0	↑5.0
6/20 17:40	102.1	↑5.1	最大潮位差
6/20 17:50	107.0	↑4.9
6/20 18:00	111.9	↑4.9
6/20 18:10	116.8	↑4.9
6/20 18:20	121.5	↑4.7
6/20 18:30	126.0	↑4.5
6/20 18:40	130.4	↑4.4
6/20 18:50	134.6	↑4.2
6/20 19:00	138.6	↑4.0
6/20 19:10	142.3	↑3.7
6/20 19:20	145.8	↑3.5
6/20 19:30	149.0	↑3.2
6/20 19:40	151.9	↑2.9
6/20 19:50	154.5	↑2.6
6/20 20:00	156.8	↑2.3
6/20 20:10	158.8	↑2.0
6/20 20:20	160.5	↑1.7
6/20 20:30	161.8	↑1.3
6/20 20:40	162.8	↑1.0
6/20 20:50	163.5	↑0.7
6/20 21:00	163.8	↑0.3	満潮
6/20 21:10	163.8	0
6/20 21:20	163.6	↓-0.2
6/20 21:30	163.0	↓-0.6
6/20 21:40	162.1	↓-0.9
6/20 21:50	160.9	↓-1.2
6/20 22:00	159.5	↓-1.4
6/20 22:10	157.8	↓-1.7
6/20 22:20	155.9	↓-1.9
6/20 22:30	153.7	↓-2.2
6/20 22:40	151.4	↓-2.3
6/20 22:50	148.9	↓-2.5
6/20 23:00	146.3	↓-2.6
6/20 23:10	143.6	↓-2.7
6/20 23:20	140.7	↓-2.9
6/20 23:30	137.8	↓-2.9
6/20 23:40	134.8	↓-3.0
6/20 23:50	131.9	↓-2.9