20 (水)	04:49	12:15	19:48	-
	128cm	-2cm	123cm	-
中潮 出 04:21 入 19:00 出 22:07 入 07:25 潮干狩り ◎ 09:50～14:46

那珂湊（茨城）2057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	92.9	↑0.2
6/20 00:10	93.3	↑0.4
6/20 00:20	93.9	↑0.6
6/20 00:30	94.6	↑0.7
6/20 00:40	95.5	↑0.9
6/20 00:50	96.5	↑1.0
6/20 01:00	97.7	↑1.2
6/20 01:10	99.0	↑1.3
6/20 01:20	100.3	↑1.3
6/20 01:30	101.8	↑1.5
6/20 01:40	103.4	↑1.6
6/20 01:50	105.0	↑1.6
6/20 02:00	106.7	↑1.7
6/20 02:10	108.4	↑1.7
6/20 02:20	110.1	↑1.7
6/20 02:30	111.9	↑1.8
6/20 02:40	113.6	↑1.7
6/20 02:50	115.3	↑1.7
6/20 03:00	117.0	↑1.7
6/20 03:10	118.5	↑1.5
6/20 03:20	120.1	↑1.6
6/20 03:30	121.5	↑1.4
6/20 03:40	122.8	↑1.3
6/20 03:50	124.0	↑1.2
6/20 04:00	125.0	↑1.0
6/20 04:10	125.8	↑0.8
6/20 04:20	126.5	↑0.7
6/20 04:30	127.0	↑0.5
6/20 04:40	127.3	↑0.3	満潮
6/20 04:50	127.4	↑0.1
6/20 05:00	127.2	↓-0.2
6/20 05:10	126.8	↓-0.4
6/20 05:20	126.2	↓-0.6
6/20 05:30	125.3	↓-0.9
6/20 05:40	124.1	↓-1.2
6/20 05:50	122.7	↓-1.4
6/20 06:00	120.9	↓-1.8
6/20 06:10	119.0	↓-1.9
6/20 06:20	116.7	↓-2.3
6/20 06:30	114.2	↓-2.5
6/20 06:40	111.4	↓-2.8
6/20 06:50	108.3	↓-3.1
6/20 07:00	105.1	↓-3.2
6/20 07:10	101.5	↓-3.6
6/20 07:20	97.8	↓-3.7
6/20 07:30	93.9	↓-3.9
6/20 07:40	89.7	↓-4.2
6/20 07:50	85.5	↓-4.2
6/20 08:00	81.0	↓-4.5
6/20 08:10	76.5	↓-4.5
6/20 08:20	71.9	↓-4.6
6/20 08:30	67.2	↓-4.7
6/20 08:40	62.4	↓-4.8	最大潮位差
6/20 08:50	57.7	↓-4.7
6/20 09:00	52.9	↓-4.8	最大潮位差
6/20 09:10	48.2	↓-4.7
6/20 09:20	43.6	↓-4.6
6/20 09:30	39.1	↓-4.5
6/20 09:40	34.7	↓-4.4
6/20 09:50	30.4	↓-4.3
6/20 10:00	26.3	↓-4.1
6/20 10:10	22.5	↓-3.8
6/20 10:20	18.8	↓-3.7
6/20 10:30	15.4	↓-3.4
6/20 10:40	12.2	↓-3.2
6/20 10:50	9.3	↓-2.9
6/20 11:00	6.7	↓-2.6
6/20 11:10	4.5	↓-2.2
6/20 11:20	2.5	↓-2.0
6/20 11:30	0.8	↓-1.7
6/20 11:40	-0.5	↓-1.3
6/20 11:50	-1.5	↓-1.0
6/20 12:00	-2.1	↓-0.6
6/20 12:10	-2.5	↓-0.4	干潮
6/20 12:20	-2.4	↑0.1
6/20 12:30	-2.1	↑0.3
6/20 12:40	-1.4	↑0.7
6/20 12:50	-0.4	↑1.0
6/20 13:00	0.9	↑1.3
6/20 13:10	2.6	↑1.7
6/20 13:20	4.5	↑1.9
6/20 13:30	6.7	↑2.2
6/20 13:40	9.1	↑2.4
6/20 13:50	11.8	↑2.7
6/20 14:00	14.8	↑3.0
6/20 14:10	18.0	↑3.2
6/20 14:20	21.3	↑3.3
6/20 14:30	24.9	↑3.6
6/20 14:40	28.7	↑3.8
6/20 14:50	32.5	↑3.8
6/20 15:00	36.6	↑4.1
6/20 15:10	40.7	↑4.1
6/20 15:20	44.9	↑4.2
6/20 15:30	49.2	↑4.3
6/20 15:40	53.5	↑4.3
6/20 15:50	57.9	↑4.4
6/20 16:00	62.3	↑4.4
6/20 16:10	66.6	↑4.3
6/20 16:20	70.9	↑4.3
6/20 16:30	75.2	↑4.3
6/20 16:40	79.4	↑4.2
6/20 16:50	83.5	↑4.1
6/20 17:00	87.4	↑3.9
6/20 17:10	91.2	↑3.8
6/20 17:20	94.9	↑3.7
6/20 17:30	98.4	↑3.5
6/20 17:40	101.6	↑3.2
6/20 17:50	104.7	↑3.1
6/20 18:00	107.6	↑2.9
6/20 18:10	110.2	↑2.6
6/20 18:20	112.6	↑2.4
6/20 18:30	114.7	↑2.1
6/20 18:40	116.6	↑1.9
6/20 18:50	118.2	↑1.6
6/20 19:00	119.5	↑1.3
6/20 19:10	120.6	↑1.1
6/20 19:20	121.4	↑0.8
6/20 19:30	121.9	↑0.5
6/20 19:40	122.2	↑0.3	満潮
6/20 19:50	122.3	↑0.1
6/20 20:00	122.1	↓-0.2
6/20 20:10	121.7	↓-0.4
6/20 20:20	121.1	↓-0.6
6/20 20:30	120.3	↓-0.8
6/20 20:40	119.3	↓-1.0
6/20 20:50	118.1	↓-1.2
6/20 21:00	116.9	↓-1.2
6/20 21:10	115.5	↓-1.4
6/20 21:20	114.0	↓-1.5
6/20 21:30	112.5	↓-1.5
6/20 21:40	110.9	↓-1.6
6/20 21:50	109.2	↓-1.7
6/20 22:00	107.6	↓-1.6
6/20 22:10	106.0	↓-1.6
6/20 22:20	104.4	↓-1.6
6/20 22:30	102.8	↓-1.6
6/20 22:40	101.3	↓-1.5
6/20 22:50	99.9	↓-1.4
6/20 23:00	98.6	↓-1.3
6/20 23:10	97.4	↓-1.2
6/20 23:20	96.3	↓-1.1
6/20 23:30	95.4	↓-0.9
6/20 23:40	94.6	↓-0.8
6/20 23:50	93.9	↓-0.7