20 (土)	07:50	02:45	22:10	14:50
	105cm	84cm	114cm	35cm
小潮 出 04:21 入 18:59 出 11:06 入 -

那珂湊（茨城）2037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	97.7	↓-1.5
6/20 00:10	96.2	↓-1.5
6/20 00:20	94.8	↓-1.4
6/20 00:30	93.4	↓-1.4
6/20 00:40	92.0	↓-1.4
6/20 00:50	90.8	↓-1.2
6/20 01:00	89.6	↓-1.2
6/20 01:10	88.5	↓-1.1
6/20 01:20	87.5	↓-1.0
6/20 01:30	86.6	↓-0.9
6/20 01:40	85.8	↓-0.8
6/20 01:50	85.1	↓-0.7
6/20 02:00	84.6	↓-0.5
6/20 02:10	84.1	↓-0.5
6/20 02:20	83.8	↓-0.3
6/20 02:30	83.6	↓-0.2
6/20 02:40	83.5	↓-0.1	干潮
6/20 02:50	83.5	0
6/20 03:00	83.6	↑0.1
6/20 03:10	83.9	↑0.3
6/20 03:20	84.2	↑0.3
6/20 03:30	84.6	↑0.4
6/20 03:40	85.1	↑0.5
6/20 03:50	85.7	↑0.6
6/20 04:00	86.4	↑0.7
6/20 04:10	87.2	↑0.8
6/20 04:20	88.0	↑0.8
6/20 04:30	88.9	↑0.9
6/20 04:40	89.8	↑0.9
6/20 04:50	90.8	↑1.0
6/20 05:00	91.8	↑1.0
6/20 05:10	92.9	↑1.1
6/20 05:20	93.9	↑1.0
6/20 05:30	95.0	↑1.1
6/20 05:40	96.1	↑1.1
6/20 05:50	97.1	↑1.0
6/20 06:00	98.2	↑1.1
6/20 06:10	99.2	↑1.0
6/20 06:20	100.1	↑0.9
6/20 06:30	101.0	↑0.9
6/20 06:40	101.9	↑0.9
6/20 06:50	102.6	↑0.7
6/20 07:00	103.3	↑0.7
6/20 07:10	103.9	↑0.6
6/20 07:20	104.3	↑0.4
6/20 07:30	104.7	↑0.4
6/20 07:40	104.9	↑0.2	満潮
6/20 07:50	104.9	0	満潮
6/20 08:00	104.8	↓-0.1
6/20 08:10	104.6	↓-0.2
6/20 08:20	104.2	↓-0.4
6/20 08:30	103.6	↓-0.6
6/20 08:40	102.8	↓-0.8
6/20 08:50	101.9	↓-0.9
6/20 09:00	100.8	↓-1.1
6/20 09:10	99.5	↓-1.3
6/20 09:20	98.1	↓-1.4
6/20 09:30	96.5	↓-1.6
6/20 09:40	94.7	↓-1.8
6/20 09:50	92.8	↓-1.9
6/20 10:00	90.7	↓-2.1
6/20 10:10	88.5	↓-2.2
6/20 10:20	86.2	↓-2.3
6/20 10:30	83.7	↓-2.5
6/20 10:40	81.2	↓-2.5
6/20 10:50	78.6	↓-2.6
6/20 11:00	75.9	↓-2.7
6/20 11:10	73.2	↓-2.7
6/20 11:20	70.5	↓-2.7
6/20 11:30	67.8	↓-2.7
6/20 11:40	65.0	↓-2.8
6/20 11:50	62.3	↓-2.7
6/20 12:00	59.7	↓-2.6
6/20 12:10	57.1	↓-2.6
6/20 12:20	54.6	↓-2.5
6/20 12:30	52.1	↓-2.5
6/20 12:40	49.8	↓-2.3
6/20 12:50	47.6	↓-2.2
6/20 13:00	45.6	↓-2.0
6/20 13:10	43.6	↓-2.0
6/20 13:20	41.9	↓-1.7
6/20 13:30	40.3	↓-1.6
6/20 13:40	38.9	↓-1.4
6/20 13:50	37.6	↓-1.3
6/20 14:00	36.6	↓-1.0
6/20 14:10	35.7	↓-0.9
6/20 14:20	35.1	↓-0.6
6/20 14:30	34.6	↓-0.5
6/20 14:40	34.3	↓-0.3	干潮
6/20 14:50	34.2	↓-0.1	干潮
6/20 15:00	34.4	↑0.2
6/20 15:10	34.7	↑0.3
6/20 15:20	35.2	↑0.5
6/20 15:30	35.9	↑0.7
6/20 15:40	36.7	↑0.8
6/20 15:50	37.8	↑1.1
6/20 16:00	39.0	↑1.2
6/20 16:10	40.5	↑1.5
6/20 16:20	42.0	↑1.5
6/20 16:30	43.8	↑1.8
6/20 16:40	45.6	↑1.8
6/20 16:50	47.6	↑2.0
6/20 17:00	49.8	↑2.2
6/20 17:10	52.1	↑2.3
6/20 17:20	54.4	↑2.3
6/20 17:30	56.9	↑2.5
6/20 17:40	59.5	↑2.6
6/20 17:50	62.1	↑2.6
6/20 18:00	64.8	↑2.7
6/20 18:10	67.6	↑2.8
6/20 18:20	70.4	↑2.8
6/20 18:30	73.2	↑2.8
6/20 18:40	76.1	↑2.9	最大潮位差
6/20 18:50	78.9	↑2.8
6/20 19:00	81.7	↑2.8
6/20 19:10	84.5	↑2.8
6/20 19:20	87.2	↑2.7
6/20 19:30	89.9	↑2.7
6/20 19:40	92.5	↑2.6
6/20 19:50	95.0	↑2.5
6/20 20:00	97.3	↑2.3
6/20 20:10	99.6	↑2.3
6/20 20:20	101.7	↑2.1
6/20 20:30	103.6	↑1.9
6/20 20:40	105.4	↑1.8
6/20 20:50	107.0	↑1.6
6/20 21:00	108.5	↑1.5
6/20 21:10	109.7	↑1.2
6/20 21:20	110.8	↑1.1
6/20 21:30	111.7	↑0.9
6/20 21:40	112.3	↑0.6
6/20 21:50	112.8	↑0.5
6/20 22:00	113.1	↑0.3	満潮
6/20 22:10	113.1	0	満潮
6/20 22:20	113.0	↓-0.1
6/20 22:30	112.7	↓-0.3
6/20 22:40	112.2	↓-0.5
6/20 22:50	111.6	↓-0.6
6/20 23:00	110.8	↓-0.8
6/20 23:10	109.8	↓-1.0
6/20 23:20	108.7	↓-1.1
6/20 23:30	107.5	↓-1.2
6/20 23:40	106.2	↓-1.3
6/20 23:50	104.7	↓-1.5