7 (金)	07:18	00:25	18:00	12:14
	119cm	33cm	127cm	83cm
中潮 出 05:38 入 17:15 出 20:11 入 10:03

那珂湊（茨城）2039年10月7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
10/7 00:00	33.8	↓-0.8
10/7 00:10	33.3	↓-0.5
10/7 00:20	33.0	↓-0.3	干潮
10/7 00:30	33.0	0
10/7 00:40	33.3	↑0.3
10/7 00:50	33.9	↑0.6
10/7 01:00	34.8	↑0.9
10/7 01:10	35.9	↑1.1
10/7 01:20	37.2	↑1.3
10/7 01:30	38.8	↑1.6
10/7 01:40	40.6	↑1.8
10/7 01:50	42.6	↑2.0
10/7 02:00	44.7	↑2.1
10/7 02:10	47.1	↑2.4
10/7 02:20	49.6	↑2.5
10/7 02:30	52.3	↑2.7
10/7 02:40	55.1	↑2.8
10/7 02:50	58.0	↑2.9
10/7 03:00	61.0	↑3.0
10/7 03:10	64.1	↑3.1
10/7 03:20	67.3	↑3.2
10/7 03:30	70.5	↑3.2
10/7 03:40	73.7	↑3.2
10/7 03:50	76.9	↑3.2
10/7 04:00	80.1	↑3.2
10/7 04:10	83.3	↑3.2
10/7 04:20	86.5	↑3.2
10/7 04:30	89.5	↑3.0
10/7 04:40	92.5	↑3.0
10/7 04:50	95.4	↑2.9
10/7 05:00	98.2	↑2.8
10/7 05:10	100.9	↑2.7
10/7 05:20	103.4	↑2.5
10/7 05:30	105.7	↑2.3
10/7 05:40	107.9	↑2.2
10/7 05:50	109.9	↑2.0
10/7 06:00	111.7	↑1.8
10/7 06:10	113.3	↑1.6
10/7 06:20	114.7	↑1.4
10/7 06:30	115.9	↑1.2
10/7 06:40	116.8	↑0.9
10/7 06:50	117.5	↑0.7
10/7 07:00	118.0	↑0.5
10/7 07:10	118.3	↑0.3	満潮
10/7 07:20	118.3	0
10/7 07:30	118.1	↓-0.2
10/7 07:40	117.7	↓-0.4
10/7 07:50	117.1	↓-0.6
10/7 08:00	116.3	↓-0.8
10/7 08:10	115.4	↓-0.9
10/7 08:20	114.2	↓-1.2
10/7 08:30	112.9	↓-1.3
10/7 08:40	111.4	↓-1.5
10/7 08:50	109.9	↓-1.5
10/7 09:00	108.2	↓-1.7
10/7 09:10	106.4	↓-1.8
10/7 09:20	104.6	↓-1.8
10/7 09:30	102.7	↓-1.9
10/7 09:40	100.9	↓-1.8
10/7 09:50	99.0	↓-1.9
10/7 10:00	97.1	↓-1.9
10/7 10:10	95.3	↓-1.8
10/7 10:20	93.5	↓-1.8
10/7 10:30	91.9	↓-1.6
10/7 10:40	90.3	↓-1.6
10/7 10:50	88.8	↓-1.5
10/7 11:00	87.5	↓-1.3
10/7 11:10	86.3	↓-1.2
10/7 11:20	85.3	↓-1.0
10/7 11:30	84.4	↓-0.9
10/7 11:40	83.7	↓-0.7
10/7 11:50	83.2	↓-0.5
10/7 12:00	82.8	↓-0.4
10/7 12:10	82.7	↓-0.1	干潮
10/7 12:20	82.7	0
10/7 12:30	82.9	↑0.2
10/7 12:40	83.3	↑0.4
10/7 12:50	83.9	↑0.6
10/7 13:00	84.6	↑0.7
10/7 13:10	85.5	↑0.9
10/7 13:20	86.6	↑1.1
10/7 13:30	87.8	↑1.2
10/7 13:40	89.1	↑1.3
10/7 13:50	90.6	↑1.5
10/7 14:00	92.2	↑1.6
10/7 14:10	93.8	↑1.6
10/7 14:20	95.6	↑1.8
10/7 14:30	97.4	↑1.8
10/7 14:40	99.3	↑1.9
10/7 14:50	101.2	↑1.9
10/7 15:00	103.2	↑2.0
10/7 15:10	105.1	↑1.9
10/7 15:20	107.1	↑2.0
10/7 15:30	109.0	↑1.9
10/7 15:40	110.9	↑1.9
10/7 15:50	112.8	↑1.9
10/7 16:00	114.6	↑1.8
10/7 16:10	116.4	↑1.8
10/7 16:20	118.0	↑1.6
10/7 16:30	119.6	↑1.6
10/7 16:40	121.0	↑1.4
10/7 16:50	122.3	↑1.3
10/7 17:00	123.5	↑1.2
10/7 17:10	124.5	↑1.0
10/7 17:20	125.3	↑0.8
10/7 17:30	126.0	↑0.7
10/7 17:40	126.5	↑0.5
10/7 17:50	126.7	↑0.2	満潮
10/7 18:00	126.8	↑0.1	満潮
10/7 18:10	126.7	↓-0.1
10/7 18:20	126.4	↓-0.3
10/7 18:30	125.8	↓-0.6
10/7 18:40	125.0	↓-0.8
10/7 18:50	124.0	↓-1.0
10/7 19:00	122.7	↓-1.3
10/7 19:10	121.2	↓-1.5
10/7 19:20	119.5	↓-1.7
10/7 19:30	117.6	↓-1.9
10/7 19:40	115.5	↓-2.1
10/7 19:50	113.1	↓-2.4
10/7 20:00	110.6	↓-2.5
10/7 20:10	107.8	↓-2.8
10/7 20:20	105.0	↓-2.8
10/7 20:30	101.9	↓-3.1
10/7 20:40	98.7	↓-3.2
10/7 20:50	95.4	↓-3.3
10/7 21:00	92.0	↓-3.4
10/7 21:10	88.5	↓-3.5
10/7 21:20	85.0	↓-3.5
10/7 21:30	81.4	↓-3.6	最大潮位差
10/7 21:40	77.8	↓-3.6	最大潮位差
10/7 21:50	74.2	↓-3.6	最大潮位差
10/7 22:00	70.7	↓-3.5
10/7 22:10	67.2	↓-3.5
10/7 22:20	63.8	↓-3.4
10/7 22:30	60.5	↓-3.3
10/7 22:40	57.3	↓-3.2
10/7 22:50	54.3	↓-3.0
10/7 23:00	51.4	↓-2.9
10/7 23:10	48.7	↓-2.7
10/7 23:20	46.2	↓-2.5
10/7 23:30	43.9	↓-2.3
10/7 23:40	41.8	↓-2.1
10/7 23:50	40.0	↓-1.8