20 (土)	05:14	10:39	16:04	22:52
	143cm	80cm	144cm	11cm
大潮 出 06:23 入 17:29 出 16:43 入 05:43

岩井袋（千葉）2027年02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
2/20 00:00	30.8	↑3.4
2/20 00:10	34.6	↑3.8
2/20 00:20	38.6	↑4.0
2/20 00:30	42.8	↑4.2
2/20 00:40	47.2	↑4.4
2/20 00:50	51.7	↑4.5
2/20 01:00	56.4	↑4.7
2/20 01:10	61.3	↑4.9
2/20 01:20	66.2	↑4.9
2/20 01:30	71.2	↑5.0
2/20 01:40	76.2	↑5.0
2/20 01:50	81.2	↑5.0
2/20 02:00	86.1	↑4.9
2/20 02:10	91.1	↑5.0
2/20 02:20	95.9	↑4.8
2/20 02:30	100.6	↑4.7
2/20 02:40	105.1	↑4.5
2/20 02:50	109.5	↑4.4
2/20 03:00	113.7	↑4.2
2/20 03:10	117.6	↑3.9
2/20 03:20	121.4	↑3.8
2/20 03:30	124.8	↑3.4
2/20 03:40	128.0	↑3.2
2/20 03:50	130.9	↑2.9
2/20 04:00	133.5	↑2.6
2/20 04:10	135.7	↑2.2
2/20 04:20	137.7	↑2.0
2/20 04:30	139.3	↑1.6
2/20 04:40	140.6	↑1.3
2/20 04:50	141.5	↑0.9
2/20 05:00	142.1	↑0.6
2/20 05:10	142.3	↑0.2	満潮
2/20 05:20	142.3	0
2/20 05:30	141.9	↓-0.4
2/20 05:40	141.2	↓-0.7
2/20 05:50	140.2	↓-1.0
2/20 06:00	138.9	↓-1.3
2/20 06:10	137.3	↓-1.6
2/20 06:20	135.5	↓-1.8
2/20 06:30	133.5	↓-2.0
2/20 06:40	131.2	↓-2.3
2/20 06:50	128.8	↓-2.4
2/20 07:00	126.2	↓-2.6
2/20 07:10	123.5	↓-2.7
2/20 07:20	120.7	↓-2.8
2/20 07:30	117.8	↓-2.9
2/20 07:40	114.8	↓-3.0
2/20 07:50	111.8	↓-3.0
2/20 08:00	108.8	↓-3.0
2/20 08:10	105.8	↓-3.0
2/20 08:20	102.9	↓-2.9
2/20 08:30	100.1	↓-2.8
2/20 08:40	97.3	↓-2.8
2/20 08:50	94.7	↓-2.6
2/20 09:00	92.2	↓-2.5
2/20 09:10	89.9	↓-2.3
2/20 09:20	87.8	↓-2.1
2/20 09:30	86.0	↓-1.8
2/20 09:40	84.3	↓-1.7
2/20 09:50	82.9	↓-1.4
2/20 10:00	81.7	↓-1.2
2/20 10:10	80.8	↓-0.9
2/20 10:20	80.2	↓-0.6
2/20 10:30	79.8	↓-0.4	干潮
2/20 10:40	79.7	↓-0.1
2/20 10:50	79.9	↑0.2
2/20 11:00	80.4	↑0.5
2/20 11:10	81.2	↑0.8
2/20 11:20	82.2	↑1.0
2/20 11:30	83.5	↑1.3
2/20 11:40	85.1	↑1.6
2/20 11:50	86.8	↑1.7
2/20 12:00	88.9	↑2.1
2/20 12:10	91.1	↑2.2
2/20 12:20	93.5	↑2.4
2/20 12:30	96.1	↑2.6
2/20 12:40	98.8	↑2.7
2/20 12:50	101.6	↑2.8
2/20 13:00	104.6	↑3.0
2/20 13:10	107.6	↑3.0
2/20 13:20	110.6	↑3.0
2/20 13:30	113.7	↑3.1
2/20 13:40	116.7	↑3.0
2/20 13:50	119.8	↑3.1
2/20 14:00	122.7	↑2.9
2/20 14:10	125.6	↑2.9
2/20 14:20	128.3	↑2.7
2/20 14:30	130.9	↑2.6
2/20 14:40	133.3	↑2.4
2/20 14:50	135.6	↑2.3
2/20 15:00	137.6	↑2.0
2/20 15:10	139.3	↑1.7
2/20 15:20	140.8	↑1.5
2/20 15:30	142.0	↑1.2
2/20 15:40	142.9	↑0.9
2/20 15:50	143.5	↑0.6
2/20 16:00	143.8	↑0.3	満潮
2/20 16:10	143.8	0
2/20 16:20	143.4	↓-0.4
2/20 16:30	142.6	↓-0.8
2/20 16:40	141.5	↓-1.1
2/20 16:50	140.0	↓-1.5
2/20 17:00	138.2	↓-1.8
2/20 17:10	136.1	↓-2.1
2/20 17:20	133.6	↓-2.5
2/20 17:30	130.7	↓-2.9
2/20 17:40	127.6	↓-3.1
2/20 17:50	124.2	↓-3.4
2/20 18:00	120.4	↓-3.8
2/20 18:10	116.5	↓-3.9
2/20 18:20	112.2	↓-4.3
2/20 18:30	107.8	↓-4.4
2/20 18:40	103.1	↓-4.7
2/20 18:50	98.3	↓-4.8
2/20 19:00	93.4	↓-4.9
2/20 19:10	88.3	↓-5.1
2/20 19:20	83.2	↓-5.1
2/20 19:30	78.0	↓-5.2	最大潮位差
2/20 19:40	72.8	↓-5.2	最大潮位差
2/20 19:50	67.6	↓-5.2	最大潮位差
2/20 20:00	62.5	↓-5.1
2/20 20:10	57.4	↓-5.1
2/20 20:20	52.5	↓-4.9
2/20 20:30	47.7	↓-4.8
2/20 20:40	43.0	↓-4.7
2/20 20:50	38.6	↓-4.4
2/20 21:00	34.4	↓-4.2
2/20 21:10	30.5	↓-3.9
2/20 21:20	26.9	↓-3.6
2/20 21:30	23.5	↓-3.4
2/20 21:40	20.5	↓-3.0
2/20 21:50	17.9	↓-2.6
2/20 22:00	15.6	↓-2.3
2/20 22:10	13.7	↓-1.9
2/20 22:20	12.2	↓-1.5
2/20 22:30	11.2	↓-1.0
2/20 22:40	10.5	↓-0.7
2/20 22:50	10.2	↓-0.3	干潮
2/20 23:00	10.4	↑0.2
2/20 23:10	11.0	↑0.6
2/20 23:20	12.0	↑1.0
2/20 23:30	13.5	↑1.5
2/20 23:40	15.3	↑1.8
2/20 23:50	17.5	↑2.2