31 (木)	01:23	04:18	10:25	18:37
	97cm	93cm	131cm	28cm
若潮 出 07:03 入 16:12 出 02:29 入 12:25

苫小牧（北海道）2048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	94.3	↑0.7
12/31 00:10	94.9	↑0.6
12/31 00:20	95.4	↑0.5
12/31 00:30	95.9	↑0.5
12/31 00:40	96.2	↑0.3
12/31 00:50	96.5	↑0.3
12/31 01:00	96.7	↑0.2
12/31 01:10	96.8	↑0.1
12/31 01:20	96.8	0	満潮
12/31 01:30	96.8	0
12/31 01:40	96.7	↓-0.1
12/31 01:50	96.6	↓-0.1
12/31 02:00	96.4	↓-0.2
12/31 02:10	96.2	↓-0.2
12/31 02:20	95.9	↓-0.3
12/31 02:30	95.6	↓-0.3
12/31 02:40	95.2	↓-0.4
12/31 02:50	94.9	↓-0.3
12/31 03:00	94.5	↓-0.4
12/31 03:10	94.2	↓-0.3
12/31 03:20	93.8	↓-0.4
12/31 03:30	93.5	↓-0.3
12/31 03:40	93.2	↓-0.3
12/31 03:50	93.0	↓-0.2
12/31 04:00	92.8	↓-0.2
12/31 04:10	92.7	↓-0.1	干潮
12/31 04:20	92.7	0
12/31 04:30	92.8	↑0.1
12/31 04:40	92.9	↑0.1
12/31 04:50	93.2	↑0.3
12/31 05:00	93.6	↑0.4
12/31 05:10	94.1	↑0.5
12/31 05:20	94.7	↑0.6
12/31 05:30	95.5	↑0.8
12/31 05:40	96.3	↑0.8
12/31 05:50	97.3	↑1.0
12/31 06:00	98.4	↑1.1
12/31 06:10	99.6	↑1.2
12/31 06:20	100.9	↑1.3
12/31 06:30	102.2	↑1.3
12/31 06:40	103.7	↑1.5
12/31 06:50	105.2	↑1.5
12/31 07:00	106.8	↑1.6
12/31 07:10	108.4	↑1.6
12/31 07:20	110.0	↑1.6
12/31 07:30	111.6	↑1.6
12/31 07:40	113.3	↑1.7
12/31 07:50	114.9	↑1.6
12/31 08:00	116.6	↑1.7
12/31 08:10	118.2	↑1.6
12/31 08:20	119.7	↑1.5
12/31 08:30	121.2	↑1.5
12/31 08:40	122.7	↑1.5
12/31 08:50	124.0	↑1.3
12/31 09:00	125.3	↑1.3
12/31 09:10	126.5	↑1.2
12/31 09:20	127.5	↑1.0
12/31 09:30	128.5	↑1.0
12/31 09:40	129.3	↑0.8
12/31 09:50	129.9	↑0.6
12/31 10:00	130.4	↑0.5
12/31 10:10	130.8	↑0.4
12/31 10:20	130.9	↑0.1	満潮
12/31 10:30	130.9	0
12/31 10:40	130.7	↓-0.2
12/31 10:50	130.3	↓-0.4
12/31 11:00	129.7	↓-0.6
12/31 11:10	128.9	↓-0.8
12/31 11:20	127.9	↓-1.0
12/31 11:30	126.6	↓-1.3
12/31 11:40	125.2	↓-1.4
12/31 11:50	123.7	↓-1.5
12/31 12:00	121.9	↓-1.8
12/31 12:10	119.9	↓-2.0
12/31 12:20	117.8	↓-2.1
12/31 12:30	115.6	↓-2.2
12/31 12:40	113.2	↓-2.4
12/31 12:50	110.7	↓-2.5
12/31 13:00	108.0	↓-2.7
12/31 13:10	105.3	↓-2.7
12/31 13:20	102.4	↓-2.9
12/31 13:30	99.5	↓-2.9
12/31 13:40	96.5	↓-3.0
12/31 13:50	93.5	↓-3.0
12/31 14:00	90.4	↓-3.1
12/31 14:10	87.3	↓-3.1
12/31 14:20	84.1	↓-3.2
12/31 14:30	80.9	↓-3.2
12/31 14:40	77.6	↓-3.3	最大潮位差
12/31 14:50	74.4	↓-3.2
12/31 15:00	71.1	↓-3.3	最大潮位差
12/31 15:10	67.9	↓-3.2
12/31 15:20	64.7	↓-3.2
12/31 15:30	61.5	↓-3.2
12/31 15:40	58.4	↓-3.1
12/31 15:50	55.3	↓-3.1
12/31 16:00	52.4	↓-2.9
12/31 16:10	49.5	↓-2.9
12/31 16:20	46.7	↓-2.8
12/31 16:30	44.1	↓-2.6
12/31 16:40	41.6	↓-2.5
12/31 16:50	39.2	↓-2.4
12/31 17:00	37.1	↓-2.1
12/31 17:10	35.1	↓-2.0
12/31 17:20	33.4	↓-1.7
12/31 17:30	31.8	↓-1.6
12/31 17:40	30.5	↓-1.3
12/31 17:50	29.3	↓-1.2
12/31 18:00	28.4	↓-0.9
12/31 18:10	27.8	↓-0.6
12/31 18:20	27.3	↓-0.5
12/31 18:30	27.1	↓-0.2	干潮
12/31 18:40	27.1	0
12/31 18:50	27.3	↑0.2
12/31 19:00	27.6	↑0.3
12/31 19:10	28.2	↑0.6
12/31 19:20	29.0	↑0.8
12/31 19:30	29.9	↑0.9
12/31 19:40	31.1	↑1.2
12/31 19:50	32.3	↑1.2
12/31 20:00	33.8	↑1.5
12/31 20:10	35.4	↑1.6
12/31 20:20	37.2	↑1.8
12/31 20:30	39.1	↑1.9
12/31 20:40	41.1	↑2.0
12/31 20:50	43.3	↑2.2
12/31 21:00	45.5	↑2.2
12/31 21:10	47.9	↑2.4
12/31 21:20	50.4	↑2.5
12/31 21:30	53.0	↑2.6
12/31 21:40	55.7	↑2.7
12/31 21:50	58.5	↑2.8
12/31 22:00	61.3	↑2.8
12/31 22:10	64.1	↑2.8
12/31 22:20	66.9	↑2.8
12/31 22:30	69.8	↑2.9
12/31 22:40	72.6	↑2.8
12/31 22:50	75.4	↑2.8
12/31 23:00	78.1	↑2.7
12/31 23:10	80.7	↑2.6
12/31 23:20	83.3	↑2.6
12/31 23:30	85.7	↑2.4
12/31 23:40	88.0	↑2.3
12/31 23:50	90.3	↑2.3