4 (金)	10:59	06:13	-	17:18
	87cm	67cm	-	48cm
小潮 出 04:22 入 18:52 出 01:10 入 13:06

那珂湊（茨城）2021年06月4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
6/4 00:00	109.0	↓-0.4
6/4 00:10	108.5	↓-0.5
6/4 00:20	107.9	↓-0.6
6/4 00:30	107.1	↓-0.8
6/4 00:40	106.2	↓-0.9
6/4 00:50	105.2	↓-1.0
6/4 01:00	104.1	↓-1.1
6/4 01:10	102.9	↓-1.2
6/4 01:20	101.6	↓-1.3
6/4 01:30	100.2	↓-1.4
6/4 01:40	98.7	↓-1.5
6/4 01:50	97.2	↓-1.5
6/4 02:00	95.6	↓-1.6
6/4 02:10	94.0	↓-1.6
6/4 02:20	92.4	↓-1.6
6/4 02:30	90.7	↓-1.7
6/4 02:40	89.1	↓-1.6
6/4 02:50	87.4	↓-1.7
6/4 03:00	85.8	↓-1.6
6/4 03:10	84.2	↓-1.6
6/4 03:20	82.6	↓-1.6
6/4 03:30	81.0	↓-1.6
6/4 03:40	79.5	↓-1.5
6/4 03:50	78.0	↓-1.5
6/4 04:00	76.6	↓-1.4
6/4 04:10	75.3	↓-1.3
6/4 04:20	74.1	↓-1.2
6/4 04:30	72.9	↓-1.2
6/4 04:40	71.8	↓-1.1
6/4 04:50	70.8	↓-1.0
6/4 05:00	70.0	↓-0.8
6/4 05:10	69.2	↓-0.8
6/4 05:20	68.5	↓-0.7
6/4 05:30	67.9	↓-0.6
6/4 05:40	67.5	↓-0.4
6/4 05:50	67.2	↓-0.3
6/4 06:00	67.0	↓-0.2
6/4 06:10	66.9	↓-0.1	干潮
6/4 06:20	66.9	0
6/4 06:30	67.1	↑0.2
6/4 06:40	67.4	↑0.3
6/4 06:50	67.8	↑0.4
6/4 07:00	68.2	↑0.4
6/4 07:10	68.8	↑0.6
6/4 07:20	69.5	↑0.7
6/4 07:30	70.3	↑0.8
6/4 07:40	71.2	↑0.9
6/4 07:50	72.1	↑0.9
6/4 08:00	73.1	↑1.0
6/4 08:10	74.1	↑1.0
6/4 08:20	75.1	↑1.0
6/4 08:30	76.2	↑1.1
6/4 08:40	77.3	↑1.1
6/4 08:50	78.4	↑1.1
6/4 09:00	79.5	↑1.1
6/4 09:10	80.5	↑1.0
6/4 09:20	81.5	↑1.0
6/4 09:30	82.4	↑0.9
6/4 09:40	83.3	↑0.9
6/4 09:50	84.1	↑0.8
6/4 10:00	84.8	↑0.7
6/4 10:10	85.5	↑0.7
6/4 10:20	86.0	↑0.5
6/4 10:30	86.4	↑0.4
6/4 10:40	86.6	↑0.2
6/4 10:50	86.8	↑0.2	満潮
6/4 11:00	86.8	0
6/4 11:10	86.7	↓-0.1
6/4 11:20	86.5	↓-0.2
6/4 11:30	86.2	↓-0.3
6/4 11:40	85.7	↓-0.5
6/4 11:50	85.1	↓-0.6
6/4 12:00	84.3	↓-0.8
6/4 12:10	83.5	↓-0.8
6/4 12:20	82.5	↓-1.0
6/4 12:30	81.5	↓-1.0
6/4 12:40	80.3	↓-1.2
6/4 12:50	79.1	↓-1.2
6/4 13:00	77.8	↓-1.3
6/4 13:10	76.4	↓-1.4
6/4 13:20	74.9	↓-1.5
6/4 13:30	73.4	↓-1.5
6/4 13:40	71.8	↓-1.6
6/4 13:50	70.3	↓-1.5
6/4 14:00	68.7	↓-1.6
6/4 14:10	67.0	↓-1.7
6/4 14:20	65.4	↓-1.6
6/4 14:30	63.8	↓-1.6
6/4 14:40	62.3	↓-1.5
6/4 14:50	60.7	↓-1.6
6/4 15:00	59.2	↓-1.5
6/4 15:10	57.8	↓-1.4
6/4 15:20	56.4	↓-1.4
6/4 15:30	55.0	↓-1.4
6/4 15:40	53.8	↓-1.2
6/4 15:50	52.6	↓-1.2
6/4 16:00	51.6	↓-1.0
6/4 16:10	50.6	↓-1.0
6/4 16:20	49.8	↓-0.8
6/4 16:30	49.1	↓-0.7
6/4 16:40	48.5	↓-0.6
6/4 16:50	48.0	↓-0.5
6/4 17:00	47.7	↓-0.3
6/4 17:10	47.5	↓-0.2	干潮
6/4 17:20	47.5	0
6/4 17:30	47.6	↑0.1
6/4 17:40	47.9	↑0.3
6/4 17:50	48.3	↑0.4
6/4 18:00	48.9	↑0.6
6/4 18:10	49.7	↑0.8
6/4 18:20	50.6	↑0.9
6/4 18:30	51.6	↑1.0
6/4 18:40	52.9	↑1.3
6/4 18:50	54.3	↑1.4
6/4 19:00	55.8	↑1.5
6/4 19:10	57.5	↑1.7
6/4 19:20	59.3	↑1.8
6/4 19:30	61.2	↑1.9
6/4 19:40	63.3	↑2.1
6/4 19:50	65.5	↑2.2
6/4 20:00	67.7	↑2.2
6/4 20:10	70.0	↑2.3
6/4 20:20	72.4	↑2.4
6/4 20:30	74.9	↑2.5	最大潮位差
6/4 20:40	77.4	↑2.5	最大潮位差
6/4 20:50	79.9	↑2.5	最大潮位差
6/4 21:00	82.4	↑2.5	最大潮位差
6/4 21:10	84.9	↑2.5	最大潮位差
6/4 21:20	87.4	↑2.5	最大潮位差
6/4 21:30	89.8	↑2.4
6/4 21:40	92.2	↑2.4
6/4 21:50	94.5	↑2.3
6/4 22:00	96.7	↑2.2
6/4 22:10	98.8	↑2.1
6/4 22:20	100.8	↑2.0
6/4 22:30	102.7	↑1.9
6/4 22:40	104.4	↑1.7
6/4 22:50	105.9	↑1.5
6/4 23:00	107.3	↑1.4
6/4 23:10	108.6	↑1.3
6/4 23:20	109.6	↑1.0
6/4 23:30	110.5	↑0.9
6/4 23:40	111.2	↑0.7
6/4 23:50	111.6	↑0.4