31 (金)	08:17	01:09	18:33	13:28
	117cm	14cm	117cm	80cm
中潮 出 06:49 入 16:34 出 10:43 入 22:02

大洗（茨城）2038年12月31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
12/31 00:00	20.2	↓-2.1
12/31 00:10	18.4	↓-1.8
12/31 00:20	16.9	↓-1.5
12/31 00:30	15.6	↓-1.3
12/31 00:40	14.6	↓-1.0
12/31 00:50	14.0	↓-0.6
12/31 01:00	13.6	↓-0.4	干潮
12/31 01:10	13.5	↓-0.1
12/31 01:20	13.7	↑0.2
12/31 01:30	14.2	↑0.5
12/31 01:40	15.0	↑0.8
12/31 01:50	16.0	↑1.0
12/31 02:00	17.4	↑1.4
12/31 02:10	19.1	↑1.7
12/31 02:20	21.0	↑1.9
12/31 02:30	23.2	↑2.2
12/31 02:40	25.7	↑2.5
12/31 02:50	28.3	↑2.6
12/31 03:00	31.2	↑2.9
12/31 03:10	34.3	↑3.1
12/31 03:20	37.5	↑3.2
12/31 03:30	40.9	↑3.4
12/31 03:40	44.4	↑3.5
12/31 03:50	48.1	↑3.7
12/31 04:00	51.8	↑3.7
12/31 04:10	55.5	↑3.7
12/31 04:20	59.4	↑3.9	最大潮位差
12/31 04:30	63.2	↑3.8
12/31 04:40	67.0	↑3.8
12/31 04:50	70.8	↑3.8
12/31 05:00	74.5	↑3.7
12/31 05:10	78.2	↑3.7
12/31 05:20	81.8	↑3.6
12/31 05:30	85.3	↑3.5
12/31 05:40	88.6	↑3.3
12/31 05:50	91.8	↑3.2
12/31 06:00	94.9	↑3.1
12/31 06:10	97.8	↑2.9
12/31 06:20	100.5	↑2.7
12/31 06:30	103.0	↑2.5
12/31 06:40	105.4	↑2.4
12/31 06:50	107.5	↑2.1
12/31 07:00	109.4	↑1.9
12/31 07:10	111.0	↑1.6
12/31 07:20	112.5	↑1.5
12/31 07:30	113.7	↑1.2
12/31 07:40	114.6	↑0.9
12/31 07:50	115.4	↑0.8
12/31 08:00	115.9	↑0.5
12/31 08:10	116.1	↑0.2	満潮
12/31 08:20	116.2	↑0.1
12/31 08:30	116.0	↓-0.2
12/31 08:40	115.6	↓-0.4
12/31 08:50	115.0	↓-0.6
12/31 09:00	114.2	↓-0.8
12/31 09:10	113.2	↓-1.0
12/31 09:20	112.1	↓-1.1
12/31 09:30	110.8	↓-1.3
12/31 09:40	109.4	↓-1.4
12/31 09:50	107.9	↓-1.5
12/31 10:00	106.3	↓-1.6
12/31 10:10	104.6	↓-1.7
12/31 10:20	102.8	↓-1.8
12/31 10:30	101.1	↓-1.7
12/31 10:40	99.3	↓-1.8
12/31 10:50	97.4	↓-1.9
12/31 11:00	95.6	↓-1.8
12/31 11:10	93.9	↓-1.7
12/31 11:20	92.1	↓-1.8
12/31 11:30	90.4	↓-1.7
12/31 11:40	88.8	↓-1.6
12/31 11:50	87.3	↓-1.5
12/31 12:00	85.9	↓-1.4
12/31 12:10	84.6	↓-1.3
12/31 12:20	83.4	↓-1.2
12/31 12:30	82.4	↓-1.0
12/31 12:40	81.5	↓-0.9
12/31 12:50	80.8	↓-0.7
12/31 13:00	80.2	↓-0.6
12/31 13:10	79.8	↓-0.4
12/31 13:20	79.6	↓-0.2	干潮
12/31 13:30	79.5	↓-0.1
12/31 13:40	79.7	↑0.2
12/31 13:50	80.0	↑0.3
12/31 14:00	80.5	↑0.5
12/31 14:10	81.2	↑0.7
12/31 14:20	82.1	↑0.9
12/31 14:30	83.2	↑1.1
12/31 14:40	84.4	↑1.2
12/31 14:50	85.7	↑1.3
12/31 15:00	87.2	↑1.5
12/31 15:10	88.8	↑1.6
12/31 15:20	90.5	↑1.7
12/31 15:30	92.3	↑1.8
12/31 15:40	94.2	↑1.9
12/31 15:50	96.1	↑1.9
12/31 16:00	98.0	↑1.9
12/31 16:10	99.9	↑1.9
12/31 16:20	101.8	↑1.9
12/31 16:30	103.6	↑1.8
12/31 16:40	105.4	↑1.8
12/31 16:50	107.2	↑1.8
12/31 17:00	108.8	↑1.6
12/31 17:10	110.3	↑1.5
12/31 17:20	111.7	↑1.4
12/31 17:30	112.9	↑1.2
12/31 17:40	114.0	↑1.1
12/31 17:50	114.9	↑0.9
12/31 18:00	115.7	↑0.8
12/31 18:10	116.2	↑0.5
12/31 18:20	116.6	↑0.4
12/31 18:30	116.7	↑0.1	満潮
12/31 18:40	116.7	0
12/31 18:50	116.4	↓-0.3
12/31 19:00	115.9	↓-0.5
12/31 19:10	115.2	↓-0.7
12/31 19:20	114.3	↓-0.9
12/31 19:30	113.2	↓-1.1
12/31 19:40	111.8	↓-1.4
12/31 19:50	110.3	↓-1.5
12/31 20:00	108.5	↓-1.8
12/31 20:10	106.6	↓-1.9
12/31 20:20	104.4	↓-2.2
12/31 20:30	102.1	↓-2.3
12/31 20:40	99.7	↓-2.4
12/31 20:50	97.0	↓-2.7
12/31 21:00	94.3	↓-2.7
12/31 21:10	91.4	↓-2.9
12/31 21:20	88.4	↓-3.0
12/31 21:30	85.4	↓-3.0
12/31 21:40	82.2	↓-3.2
12/31 21:50	79.0	↓-3.2
12/31 22:00	75.8	↓-3.2
12/31 22:10	72.5	↓-3.3
12/31 22:20	69.3	↓-3.2
12/31 22:30	66.1	↓-3.2
12/31 22:40	62.9	↓-3.2
12/31 22:50	59.8	↓-3.1
12/31 23:00	56.7	↓-3.1
12/31 23:10	53.8	↓-2.9
12/31 23:20	50.9	↓-2.9
12/31 23:30	48.1	↓-2.8
12/31 23:40	45.5	↓-2.6
12/31 23:50	43.0	↓-2.5