18 (日)	02:37	10:06	17:35	22:06
	128cm	-3cm	121cm	93cm
大潮 出 04:21 入 18:59 出 03:52 入 19:20 潮干狩り ◎ 07:39～12:36

那珂湊（茨城）2023年06月18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
6/18 00:00	107.7	↑1.9
6/18 00:10	109.6	↑1.9
6/18 00:20	111.5	↑1.9
6/18 00:30	113.4	↑1.9
6/18 00:40	115.3	↑1.9
6/18 00:50	117.1	↑1.8
6/18 01:00	118.8	↑1.7
6/18 01:10	120.4	↑1.6
6/18 01:20	121.9	↑1.5
6/18 01:30	123.3	↑1.4
6/18 01:40	124.5	↑1.2
6/18 01:50	125.6	↑1.1
6/18 02:00	126.5	↑0.9
6/18 02:10	127.2	↑0.7
6/18 02:20	127.7	↑0.5
6/18 02:30	127.9	↑0.2	満潮
6/18 02:40	127.9	0
6/18 02:50	127.7	↓-0.2
6/18 03:00	127.3	↓-0.4
6/18 03:10	126.5	↓-0.8
6/18 03:20	125.5	↓-1.0
6/18 03:30	124.3	↓-1.2
6/18 03:40	122.8	↓-1.5
6/18 03:50	121.0	↓-1.8
6/18 04:00	118.9	↓-2.1
6/18 04:10	116.5	↓-2.4
6/18 04:20	113.9	↓-2.6
6/18 04:30	111.1	↓-2.8
6/18 04:40	108.0	↓-3.1
6/18 04:50	104.6	↓-3.4
6/18 05:00	101.1	↓-3.5
6/18 05:10	97.3	↓-3.8
6/18 05:20	93.4	↓-3.9
6/18 05:30	89.2	↓-4.2
6/18 05:40	84.9	↓-4.3
6/18 05:50	80.5	↓-4.4
6/18 06:00	76.0	↓-4.5
6/18 06:10	71.4	↓-4.6
6/18 06:20	66.7	↓-4.7
6/18 06:30	61.9	↓-4.8	最大潮位差
6/18 06:40	57.2	↓-4.7
6/18 06:50	52.5	↓-4.7
6/18 07:00	47.8	↓-4.7
6/18 07:10	43.2	↓-4.6
6/18 07:20	38.7	↓-4.5
6/18 07:30	34.2	↓-4.5
6/18 07:40	30.0	↓-4.2
6/18 07:50	25.9	↓-4.1
6/18 08:00	22.0	↓-3.9
6/18 08:10	18.3	↓-3.7
6/18 08:20	14.8	↓-3.5
6/18 08:30	11.6	↓-3.2
6/18 08:40	8.7	↓-2.9
6/18 08:50	6.0	↓-2.7
6/18 09:00	3.7	↓-2.3
6/18 09:10	1.7	↓-2.0
6/18 09:20	0.0	↓-1.7
6/18 09:30	-1.4	0
6/18 09:40	-2.4	↓-1.0
6/18 09:50	-3.1	↓-0.7
6/18 10:00	-3.5	↓-0.4	干潮
6/18 10:10	-3.5	0
6/18 10:20	-3.1	↑0.4
6/18 10:30	-2.4	↑0.7
6/18 10:40	-1.4	↑1.0
6/18 10:50	-0.1	↑1.3
6/18 11:00	1.6	↑1.7
6/18 11:10	3.5	↑1.9
6/18 11:20	5.8	↑2.3
6/18 11:30	8.3	↑2.5
6/18 11:40	11.1	↑2.8
6/18 11:50	14.2	↑3.1
6/18 12:00	17.5	↑3.3
6/18 12:10	20.9	↑3.4
6/18 12:20	24.6	↑3.7
6/18 12:30	28.4	↑3.8
6/18 12:40	32.4	↑4.0
6/18 12:50	36.5	↑4.1
6/18 13:00	40.8	↑4.3
6/18 13:10	45.0	↑4.2
6/18 13:20	49.4	↑4.4
6/18 13:30	53.8	↑4.4
6/18 13:40	58.2	↑4.4
6/18 13:50	62.6	↑4.4
6/18 14:00	66.9	↑4.3
6/18 14:10	71.2	↑4.3
6/18 14:20	75.4	↑4.2
6/18 14:30	79.6	↑4.2
6/18 14:40	83.6	↑4.0
6/18 14:50	87.5	↑3.9
6/18 15:00	91.2	↑3.7
6/18 15:10	94.7	↑3.5
6/18 15:20	98.1	↑3.4
6/18 15:30	101.2	↑3.1
6/18 15:40	104.2	↑3.0
6/18 15:50	106.9	↑2.7
6/18 16:00	109.4	↑2.5
6/18 16:10	111.6	↑2.2
6/18 16:20	113.6	↑2.0
6/18 16:30	115.3	↑1.7
6/18 16:40	116.8	↑1.5
6/18 16:50	118.0	↑1.2
6/18 17:00	119.0	↑1.0
6/18 17:10	119.7	↑0.7
6/18 17:20	120.1	↑0.4
6/18 17:30	120.4	↑0.3	満潮
6/18 17:40	120.3	↓-0.1
6/18 17:50	120.1	↓-0.2
6/18 18:00	119.7	↓-0.4
6/18 18:10	119.0	↓-0.7
6/18 18:20	118.2	↓-0.8
6/18 18:30	117.2	↓-1.0
6/18 18:40	116.1	↓-1.1
6/18 18:50	114.9	↓-1.2
6/18 19:00	113.5	↓-1.4
6/18 19:10	112.1	↓-1.4
6/18 19:20	110.6	↓-1.5
6/18 19:30	109.0	↓-1.6
6/18 19:40	107.4	↓-1.6
6/18 19:50	105.9	↓-1.5
6/18 20:00	104.3	↓-1.6
6/18 20:10	102.8	↓-1.5
6/18 20:20	101.3	↓-1.5
6/18 20:30	99.9	↓-1.4
6/18 20:40	98.6	↓-1.3
6/18 20:50	97.4	↓-1.2
6/18 21:00	96.4	↓-1.0
6/18 21:10	95.4	↓-1.0
6/18 21:20	94.6	↓-0.8
6/18 21:30	93.9	↓-0.7
6/18 21:40	93.5	↓-0.4
6/18 21:50	93.1	↓-0.4
6/18 22:00	93.0	↓-0.1	干潮
6/18 22:10	93.0	0
6/18 22:20	93.1	↑0.1
6/18 22:30	93.5	↑0.4
6/18 22:40	94.0	↑0.5
6/18 22:50	94.7	↑0.7
6/18 23:00	95.5	↑0.8
6/18 23:10	96.5	↑1.0
6/18 23:20	97.6	↑1.1
6/18 23:30	98.8	↑1.2
6/18 23:40	100.2	↑1.4
6/18 23:50	101.6	↑1.4